{"id":18252,"date":"2025-03-30T04:09:07","date_gmt":"2025-03-30T04:09:07","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=18252"},"modified":"2025-03-30T04:09:07","modified_gmt":"2025-03-30T04:09:07","slug":"slitiny-liteho-zinku-pruvodce-vlastnostmi-typu","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/","title":{"rendered":"Slitiny lit\u00e9ho zinku: Zinek: pr\u016fvodce typy, vlastnostmi a aplikacemi"},"content":{"rendered":"<p>Mezi slitiny zinku pou\u017e\u00edvan\u00e9 p\u0159i tlakov\u00e9m lit\u00ed pat\u0159\u00ed Zamak 2, Zamak 3, Zamak 5 a ZA8. Zamak 2 m\u00e1 3,8-4,3% hlin\u00edku, 2,7-3,3% m\u011bdi a 0,035-0,06% ho\u0159\u010d\u00edku, s pevnost\u00ed v tahu 328 MPa. Zamak 3 neobsahuje m\u011b\u010f (&lt;0,03%), m\u00e1 3,8-4,3% hlin\u00edku a 0,035-0,06% ho\u0159\u010d\u00edku, s pevnost\u00ed v tahu 283 MPa. Zamak 5 obsahuje 3,8-4,3% hlin\u00edku, 0,7-1,1% m\u011bdi a 0,035-0,06% ho\u0159\u010d\u00edku a nab\u00edz\u00ed pevnost v tahu 310 MPa. ZA8 obsahuje 8,2-8,8% hlin\u00edku, 0,9-1,3% m\u011bdi a 0,02-0,035% ho\u0159\u010d\u00edku, s pevnost\u00ed v tahu 386 MPa a lep\u0161\u00ed tepelnou stabilitou.<\/p>\n<p>Chcete v\u011bd\u011bt, pro\u010d si je vyb\u00edraj\u00ed velkoobjemov\u00e1 odv\u011btv\u00ed, jako je automobilov\u00fd pr\u016fmysl, spot\u0159ebn\u00ed zbo\u017e\u00ed nebo elektronika? Pono\u0159te se do tohoto \u010dl\u00e1nku a podrobn\u011b se dozv\u00edte, jak zinkov\u00e9 slitiny funguj\u00ed a jak\u00e9 jsou jejich v\u00fdhody.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"P\u0159epnut\u00ed tabulky obsahu\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7c7c7c;color:#7c7c7c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7c7c7c;color:#7c7c7c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Classification_of_Zinc_Alloys\" >Klasifikace slitin zinku<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Zamak_2_Alloy\" >Slitina Zamak 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Composition\" >Slo\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Properties\" >Vlastnosti:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Applications\" >Aplikace:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Zamak_3_Alloy\" >Zamak 3 Alloy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Composition-2\" >Slo\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Properties-2\" >Vlastnosti:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Applications-2\" >Aplikace:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Zamak_5_Alloy\" >Zamak 5 Alloy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Composition-3\" >Slo\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Properties-3\" >Vlastnosti:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Applications-3\" >Aplikace:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#ZA8_Alloy\" >Slitina ZA8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Composition-4\" >Slo\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Properties-4\" >Vlastnosti:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Applications-4\" >Aplikace:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Superloy\" >Superloy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Composition-5\" >Slo\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Properties-5\" >Vlastnosti:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Applications-5\" >Aplikace:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#AcuZinc_5_Alloy\" >Slitina AcuZinc 5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Composition-6\" >Slo\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Properties-6\" >Vlastnosti:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Applications-6\" >Aplikace:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Properties_of_Zinc_Alloys\" >Vlastnosti slitin zinku<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Mechanical_Properties\" >Mechanick\u00e9 vlastnosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Corrosion_Resistance\" >Odolnost proti korozi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Thermal_and_Electrical_Properties\" >Tepeln\u00e9 a elektrick\u00e9 vlastnosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Fatigue_Resistance\" >Odolnost proti \u00fanav\u011b<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Zamak_2_3_5_ZA-8_Superloy_and_AcuZinc_5_Comparison_Table\" >Srovn\u00e1vac\u00ed tabulka Zamak 2, 3, 5, ZA-8, Superloy a AcuZinc 5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Table_2_Mechanical_Properties_Typical_Die-Cast_Values\" >Tabulka 2: Mechanick\u00e9 vlastnosti (typick\u00e9 hodnoty pro tlakov\u00e9 lit\u00ed)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Table_3_Physical_Properties\" >Tabulka 3: Fyzik\u00e1ln\u00ed vlastnosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Comparison_of_Zinc_Alloy_Zamak_5_vs_Alternative_Materials\" >Srovn\u00e1n\u00ed zinkov\u00e9 slitiny (Zamak 5) s alternativn\u00edmi materi\u00e1ly<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Manufacturing_Processes_for_Zinc_Alloys\" >V\u00fdrobn\u00ed procesy pro slitiny zinku<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#A_Die_Casting\" >A.  Tlakov\u00e9 lit\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Hot_Chamber_Die_Casting\" >Tlakov\u00e9 lit\u00ed za tepla:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Cold_Chamber_Die_Casting\" >Tlakov\u00e9 lit\u00ed za studena:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#B_Gravity_Casting\" >B.  Gravita\u010dn\u00ed lit\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#C_Sand_Casting\" >C.  Odl\u00e9v\u00e1n\u00ed do p\u00edsku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#D_Surface_Finishing\" >D.  Povrchov\u00e1 \u00faprava<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#E_Machining\" >E.  Obr\u00e1b\u011bn\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#F_Recycling\" >F.   Recyklace<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Advantages_of_Zinc_Alloys\" >V\u00fdhody zinkov\u00fdch slitin<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Cost-Effectiveness\" >N\u00e1kladov\u00e1 efektivita<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Corrosion_Resistance_and_Durability\" >Odolnost proti korozi a trvanlivost<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#High_Strength-to-Weight_Ratio\" >Vysok\u00fd pom\u011br pevnosti k hmotnosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Damping_Capacity\" >Tlumic\u00ed schopnost<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Challenges_and_Limitations_of_Zinc_Alloys\" >V\u00fdzvy a omezen\u00ed zinkov\u00fdch slitin<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Corrosion_Mechanisms\" >Korozn\u00ed mechanismy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#High-Temperature_Performance\" >V\u00fdkon p\u0159i vysok\u00fdch teplot\u00e1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Toxicity_Concerns\" >Obavy z toxicity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Creep_Resistance\" >Odolnost proti te\u010den\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/aludiecasting.com\/cs\/slitiny-liteho-zinku-pruvodce-vlastnostmi-typu\/#Conclusion\" >Z\u00e1v\u011br<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Classification_of_Zinc_Alloys\"><\/span>Klasifikace slitin zinku<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zinc-alloys-composition.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18253\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zinc-alloys-composition-1024x1024.jpg\" alt=\"klasifikace zinkov\u00fdch slitin\" width=\"1013\" height=\"1013\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zinc-alloys-composition-1024x1024.jpg 1013w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zinc-alloys-composition-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zinc-alloys-composition-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1013px, 100vw\" \/><\/a><\/p>\n<p>Slitiny zinku spadaj\u00ed do r\u016fzn\u00fdch kategori\u00ed. Proto\u017ee maj\u00ed r\u016fzn\u00e9 prim\u00e1rn\u00ed leguj\u00edc\u00ed prvky, li\u0161\u00ed se i jejich vlastnosti. Tak lze ur\u010dit jejich mechanick\u00e9 vlastnosti, chov\u00e1n\u00ed p\u0159i odl\u00e9v\u00e1n\u00ed a pr\u016fmyslov\u00e9 komponenty. Poj\u010fme objevit ty hlavn\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zamak_2_Alloy\"><\/span>Slitina Zamak 2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition\"><\/span>Slo\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 2 obsahuje zinek jako prim\u00e1rn\u00ed prvek. D\u00e1le obsahuje 3,8-4,3% hlin\u00edku, 2,7-3,3% m\u011bdi a 0,035-0,06% ho\u0159\u010d\u00edku. M\u00e1 vy\u0161\u0161\u00ed mno\u017estv\u00ed m\u011bdi ne\u017e ostatn\u00ed slitiny. V d\u016fsledku toho se zvy\u0161uje tvrdost a odolnost proti opot\u0159eben\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties\"><\/span>Vlastnosti:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>328 Mpa je pevnost v tahu materi\u00e1lu Zamak 2. Tvrdost se pohybuje od 100 HB. Vy\u0161\u0161\u00ed mno\u017estv\u00ed m\u011bdi tvo\u0159\u00ed stabiln\u00ed <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/0022024874900177\" target=\"_blank\" rel=\"noopener\">mosazn\u00e1 f\u00e1ze alfa-beta<\/a>.<\/p>\n<p>To znamen\u00e1, \u017ee tyto slitiny maj\u00ed rozm\u011brovou stabilitu. D\u00edky tomu jste schopni z\u00edskat p\u0159esn\u00e9 v\u00fdsledky tuhnut\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications\"><\/span>Aplikace:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Komponenty, kter\u00e9 se pot\u00fdkaj\u00ed se situacemi s vysok\u00fdm zat\u00ed\u017een\u00edm, jsou vyrobeny z materi\u00e1lu zamak 2. Nap\u0159\u00edklad p\u0159evodovky, z\u00e1mky a sou\u010d\u00e1sti pr\u016fmyslov\u00fdch stroj\u016f.<\/p>\n<p><strong>Bin\u00e1rn\u00ed eutektick\u00e9 f\u00e1ze<\/strong> zabalit dendrity bohat\u00e9 na zinek. To je jedine\u010dn\u00e1 vlastnost mikrostruktury t\u00e9to slitiny. To je v\u00fdhodn\u00e9 i pro pot\u0159eby odolnosti proti opot\u0159eben\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zamak_3_Alloy\"><\/span>Zamak 3 Alloy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-2\"><\/span>Slo\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Slitina Zamak 3 se skl\u00e1d\u00e1 z men\u0161\u00edho mno\u017estv\u00ed m\u011bdi (&lt;0,03%) spolu s 3,8 - 4,3% hlin\u00edku a 0,035 - 0,06% ho\u0159\u010d\u00edku.<\/p>\n<p>Tato slitina se od ostatn\u00edch zamakov\u00fdch slitin li\u0161\u00ed t\u00e9m\u011b\u0159 nulov\u00fdm obsahem m\u011bdi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-2\"><\/span>Vlastnosti:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u016fvodem vy\u0161\u0161\u00ed ta\u017enosti materi\u00e1lu Zamak 3 je jeho pevnost v tahu 283 MPa a prodlou\u017een\u00ed 20%. P\u0159\u00edm\u011bs ho\u0159\u010d\u00edku pom\u00e1h\u00e1 zjemnit hranice zrn zinku. Jemnozrnn\u00e1 struktura n\u00e1sledn\u011b zabra\u0148uje vzniku trhlin b\u011bhem procesu chlazen\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-2\"><\/span>Aplikace:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tyto slitiny jsou vhodn\u00e9 pro kompaktn\u00ed rozm\u011bry nebo slo\u017eit\u011b tvarovan\u00e9 d\u00edly. Nap\u0159\u00edklad zipy, kole\u010dka hra\u010dek a elektrick\u00e9 konektory.<\/p>\n<p>Pokud jde o jeho mikrostrukturu, vyzna\u010duje se slo\u017eit\u011bj\u0161\u00edm dendritem. V porovn\u00e1n\u00ed se Zamakem 2 je v dentritu 20-40 \u03bcm prostoru. Z t\u011bchto slitin lze tedy odl\u00e9vat vysoce specifick\u00e9 d\u00edly.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zamak_5_Alloy\"><\/span>Zamak 5 Alloy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-3\"><\/span>Slo\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ve slitin\u011b Zamak 5 je 3,8 - 4,3% hlin\u00edku, 0,7 - 1,1% m\u011bdi a 0,035 - 0,06% ho\u0159\u010d\u00edku. M\u00e1 tak\u00e9 m\u00edrn\u00fd obsah m\u011bdi. Ten se pohybuje mezi Zamakem 2 a Zamakem 3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-3\"><\/span>Vlastnosti:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamakov\u00e9 slitiny jsou ty, kter\u00e9 maj\u00ed vyv\u00e1\u017eenou pevnost (310 MPa v tahu) a sl\u00e9vatelnost. M\u00e1 tak\u00e9 intermetalick\u00fd \u00fatvar m\u011bdi a hlin\u00edku. To zp\u016fsobuje p\u0159\u00eddavek m\u011bdi, kter\u00fd zvy\u0161uje jej\u00ed tvrdost a\u017e na 91 HB.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-3\"><\/span>Aplikace:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 5 se dob\u0159e hod\u00ed k v\u00fdrob\u011b automobilov\u00fdch sou\u010d\u00e1stek (kliky dve\u0159\u00ed, d\u00edly karbur\u00e1tor\u016f) a kov\u00e1n\u00ed. Jeho struktura slo\u017een\u00ed zaji\u0161\u0165uje lep\u0161\u00ed tekutost, co\u017e vede k men\u0161\u00ed p\u00f3rovitosti.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ZA8_Alloy\"><\/span>Slitina ZA8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-4\"><\/span>Slo\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ve slo\u017een\u00ed slitiny ZA8 je p\u0159\u00edtomno 8,2 - 8,8% hlin\u00edku, 0,9 - 1,3% m\u011bdi a 0,02 - 0,035% ho\u0159\u010d\u00edku. Od zamakov\u00fdch slitin se li\u0161\u00ed nadm\u011brn\u00fdm mno\u017estv\u00edm hlin\u00edku.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-4\"><\/span>Vlastnosti:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ZA8 pracuje p\u0159i 120 \u00b0C. Pevnost v tahu je 386 Mpa. Mikrostruktura 40% t\u00e9to slitiny je tvo\u0159ena eutektickou f\u00e1z\u00ed hlin\u00edku a zinku. Dal\u0161\u00ed vlastnost\u00ed je zlep\u0161en\u00ed odolnosti proti te\u010den\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-4\"><\/span>Aplikace:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ze slitiny ZA8 m\u016f\u017eete vyr\u00e1b\u011bt vysokotlak\u00e9 odlitky. Nap\u0159\u00edklad sk\u0159\u00edn\u011b \u010derpadel a dr\u017e\u00e1ky. Poskytuje tepelnou stabilitu, proto\u017ee v jej\u00ed struktu\u0159e jsou dendrity s rozte\u010d\u00ed 50-80 \u03bcm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Superloy\"><\/span>Superloy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-5\"><\/span>Slo\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kategorie superstop zinku se skl\u00e1d\u00e1 z 6,6 - 7,2% hlin\u00edku, 3,2 - 3,8% m\u011bdi a &lt;0,005% ho\u0159\u010d\u00edku. Vy\u0161\u0161\u00ed pod\u00edl m\u011bdi v t\u00e9to slitin\u011b p\u0159ipom\u00edn\u00e1 mosaz. Je to proto, \u017ee m\u00e1 stejn\u00e9 p\u0159edp\u011bt\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-5\"><\/span>Vlastnosti:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Obsah m\u011bdi a hlin\u00edku se sr\u00e1\u017e\u00ed p\u0159i z\u00edsk\u00e1n\u00ed tvrdosti 120 v Superloy. Obsahuje sm\u011bs alfa a beta f\u00e1z\u00ed. Proto je jejich pevnost v tahu a\u017e 440 Mpa.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-5\"><\/span>Aplikace:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tento druh zinku je vhodn\u00fd pro odl\u00e9v\u00e1n\u00ed t\u011b\u017ek\u00fdch d\u00edl\u016f, jako jsou dr\u017e\u00e1ky motor\u016f a pr\u016fmyslov\u00e9 n\u00e1stroje. Tuhne pomalu. To znamen\u00e1, \u017ee ve v\u00fdsledku podporuje dendritickou strukturu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"AcuZinc_5_Alloy\"><\/span>Slitina AcuZinc 5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-6\"><\/span>Slo\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kombinace hlin\u00edku 2,8 - 3,3%, m\u011bdi 5,0 - 6,0% a ho\u0159\u010d\u00edku 0,025 - 0,05% tvo\u0159\u00ed slitinu AcuZinc 5. Ve srovn\u00e1n\u00ed s v\u011bt\u0161inou zinkov\u00fdch slitin obsahuje nadm\u011brn\u00fd obsah m\u011bdi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-6\"><\/span>Vlastnosti:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vy\u0161\u0161\u00ed obsah m\u011bdi tvo\u0159\u00ed m\u011bd\u011bno-zinkovou matrici. To p\u0159edstavuje pevnost v tahu 350 MPa. Obsah ho\u0159\u010d\u00edku slou\u017e\u00ed ke zjemn\u011bn\u00ed struktury. Sni\u017euje tak\u00e9 riziko smr\u0161t\u011bn\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-6\"><\/span>Aplikace:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tento zinkov\u00fd kov se hod\u00ed zejm\u00e9na k v\u00fdrob\u011b lo\u017eisek a pouzder. To je vyu\u017e\u00edvan\u00e9 strojn\u00ed za\u0159\u00edzen\u00ed. Existuje tern\u00e1rn\u00ed eutektick\u00e1 f\u00e1ze. Ta funguje tak, \u017ee vytv\u00e1\u0159\u00ed n\u00edzk\u00fd sou\u010dinitel t\u0159en\u00ed a\u017e 0,1-0,15.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Properties_of_Zinc_Alloys\"><\/span>Vlastnosti slitin zinku<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Mechanical_Properties\"><\/span>Mechanick\u00e9 vlastnosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tah slitin na b\u00e1zi zinku se pohybuje mezi 283 MPa (Zamak 3) a 440 MPa (Superloy). Jeho hodnota prodlou\u017een\u00ed je 10-20%.<\/p>\n<p>Stejn\u011b tak slitina Zamak 5 vykazuje pevnost v tahu 310 MPa p\u0159i tvrdosti 91 HB.<\/p>\n<p>D\u00edly lit\u00e9 pod tlakem ze zinku vykazuj\u00ed mnohem vy\u0161\u0161\u00ed pevnost (15%) ne\u017e d\u00edly lit\u00e9 do p\u00edsku. Odl\u00e9v\u00e1n\u00ed do p\u00edsku tak\u00e9 zp\u016fsobuje tvarov\u00e9 varianty, proto\u017ee doch\u00e1z\u00ed k brzk\u00e9mu ochlazen\u00ed.<\/p>\n<p>Kov ZA8 odol\u00e1v\u00e1 velk\u00e9mu zat\u00ed\u017een\u00ed. D\u00edky tomu je ide\u00e1ln\u00ed pro aplikace s vysok\u00fdm zat\u00ed\u017een\u00edm, jako jsou sk\u0159\u00edn\u011b \u010derpadel.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Corrosion_Resistance\"><\/span>Odolnost proti korozi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Mechanismus koroze (na obr\u00e1zku) zn\u00e1zor\u0148uje elektrochemick\u00e9 chov\u00e1n\u00ed zinkov\u00fdch slitin. V anod\u011b je oxid zine\u010dnat\u00fd (Zn \u2192 Zn\u00b2\u207a + 2e-).<\/p>\n<p>Kysl\u00edk se redukuje d\u00edky katod\u00e1m (O\u2082 + 2H\u2082O + 4e- \u2192 4OH-). Kdy\u017e se vytvo\u0159\u00ed ochrann\u00e1 vrstva, chloridov\u00e9 ionty (Cl-) vytv\u00e1\u0159ej\u00ed rozpustn\u00fd ZnCl\u2082. To tuto vrstvu naru\u0161uje a zp\u016fsobuje d\u016flkovou tvorbu kolem 0,1-0,5 mm\/rok.<\/p>\n<p>P\u0159\u00edtomnost hlin\u00edku v kovov\u00e9m zinku (Zamak) stabilizuje tento \u0161t\u00edt. D\u016fvodem je jeho schopnost odol\u00e1vat korozi (30%).<\/p>\n<p>Mezit\u00edm se v mo\u0159sk\u00e9m prost\u0159ed\u00ed zvy\u0161uje riziko dezinfekce kv\u016fli prvk\u016fm m\u011bdi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thermal_and_Electrical_Properties\"><\/span>Tepeln\u00e9 a elektrick\u00e9 vlastnosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V p\u0159\u00edpad\u011b koeficientu tepeln\u00e9 rozta\u017enosti obsahuje zamak 23 \u00d7 10-\u2076\/\u00b0C (ZA8) a\u017e 29 \u00d7 10-\u2076\/\u00b0C. P\u0159\u00eddavek leguj\u00edc\u00edch prvk\u016f m\u011bn\u00ed skute\u010dnou elektrickou vodivost nebo ji sni\u017euje.<\/p>\n<p>Nap\u0159\u00edklad p\u0159id\u00e1n\u00edm v\u011bt\u0161\u00edho mno\u017estv\u00ed m\u011bdi do zamaku 3 za vzniku zamaku 2 se sn\u00ed\u017e\u00ed IACS z 28% na 26%.<\/p>\n<p>Tepeln\u00e1 stabilita kolem 110-125 W\/m-K (pod 100 \u00b0C) se v\u0161ak u t\u011bchto slitin nem\u011bn\u00ed. D\u00edky tomu jsou vhodn\u00e9 pro \u0161irokou \u0161k\u00e1lu d\u00edl\u016f, v\u010detn\u011b chladi\u010d\u016f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fatigue_Resistance\"><\/span>Odolnost proti \u00fanav\u011b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ka\u017ed\u00e1 slitina zinku m\u011bla dosud stanoveny meze \u00fanavov\u00e9 odolnosti. Ty se pohybuj\u00ed mezi 120 Mpa u zamaku 3 a 180 Mpa u Superloy.<\/p>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T084419.091.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18255 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T084419.091.png\" alt=\"zkou\u0161en\u00ed \u00fanavov\u00e9 odolnosti zinku\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T084419.091.png 800w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T084419.091-480x300.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/a><\/p>\n<p>Techniky odl\u00e9v\u00e1n\u00ed zvy\u0161uj\u00ed \u00fanavovou odolnost a\u017e o 20%. To je zp\u016fsobeno stla\u010den\u00edm zbytkov\u00e9ho nap\u011bt\u00ed.<\/p>\n<p>Mezit\u00edm je t\u0159eba pou\u017e\u00edt jin\u00e9 techniky, jako je obr\u00e1b\u011bn\u00ed, pro odleh\u010den\u00ed \u017e\u00edh\u00e1n\u00ed. Aby se zpo\u010d\u00e1tku zastavilo jejich prask\u00e1n\u00ed<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Zamak_2_3_5_ZA-8_Superloy_and_AcuZinc_5_Comparison_Table\"><\/span><strong>Srovn\u00e1vac\u00ed tabulka Zamak 2, 3, 5, ZA-8, Superloy a AcuZinc 5<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Tabulka 1: Rozsahy jmenovit\u00e9ho slo\u017een\u00ed (% hmotnostn\u011b)<\/p>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\" data-sheets-baot=\"1\">\n<colgroup>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/><\/colgroup>\n<tbody>\n<tr>\n<td>Prvek<\/td>\n<td>Zamak 2<\/td>\n<td>Zamak 3<\/td>\n<td>Zamak 5<\/td>\n<td>ZA-8<\/td>\n<td>Superloy (ILZRO 16)<\/td>\n<td>AcuZinc 5<\/td>\n<\/tr>\n<tr>\n<td>Hlin\u00edk (Al)<\/td>\n<td>3.9 - 4.3<\/td>\n<td>3.9 - 4.3<\/td>\n<td>3.9 - 4.3<\/td>\n<td>8.0 - 8.8<\/td>\n<td>1.0 - 1.5<\/td>\n<td>5.2 - 5.8<\/td>\n<\/tr>\n<tr>\n<td>M\u011b\u010f (Cu)<\/td>\n<td>2.7 - 3.3<\/td>\n<td>0.03 - 0.06<\/td>\n<td>0.75 - 1.25<\/td>\n<td>0.8 - 1.3<\/td>\n<td>1.5 - 2.5<\/td>\n<td>2.5 - 3.0<\/td>\n<\/tr>\n<tr>\n<td>Ho\u0159\u010d\u00edk (Mg)<\/td>\n<td>0.02 - 0.05<\/td>\n<td>0.03 - 0.06<\/td>\n<td>0.03 - 0.06<\/td>\n<td>0.015 - 0.03<\/td>\n<td>0.01 - 0.04<\/td>\n<td>0.025 - 0.05<\/td>\n<\/tr>\n<tr>\n<td>Titan (Ti)<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>0.15 - 0.25<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>Chrom (Cr)<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>0.05 - 0.15<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>\u017delezo (Fe) max<\/td>\n<td>0.02<\/td>\n<td>0.02<\/td>\n<td>0.02<\/td>\n<td>0.03<\/td>\n<td>0.02<\/td>\n<td>0.02<\/td>\n<\/tr>\n<tr>\n<td>Olovo (Pb) max<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<\/tr>\n<tr>\n<td>Kadmium (Cd) max<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<td>0.003<\/td>\n<\/tr>\n<tr>\n<td>C\u00edn (Sn) max<\/td>\n<td>0.001<\/td>\n<td>0.001<\/td>\n<td>0.001<\/td>\n<td>0.001<\/td>\n<td>0.001<\/td>\n<td>0.001<\/td>\n<\/tr>\n<tr>\n<td>Zinek (Zn)<\/td>\n<td>Bilance<\/td>\n<td>Bilance<\/td>\n<td>Bilance<\/td>\n<td>Bilance<\/td>\n<td>Bilance<\/td>\n<td>Bilance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Table_2_Mechanical_Properties_Typical_Die-Cast_Values\"><\/span>Tabulka 2: Mechanick\u00e9 vlastnosti (typick\u00e9 hodnoty pro tlakov\u00e9 lit\u00ed)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\" data-sheets-baot=\"1\">\n<colgroup>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/><\/colgroup>\n<tbody>\n<tr>\n<td>Majetek<\/td>\n<td>Jednotka<\/td>\n<td>Zamak 2<\/td>\n<td>Zamak 3<\/td>\n<td>Zamak 5<\/td>\n<td>ZA-8<\/td>\n<td>Superloy (ILZRO 16)<\/td>\n<td>AcuZinc 5<\/td>\n<\/tr>\n<tr>\n<td>Pevnost v tahu<\/td>\n<td>MPa (ksi)<\/td>\n<td>359 (52)<\/td>\n<td>283 (41)<\/td>\n<td>331 (48)<\/td>\n<td>374 (54)\u00b9<\/td>\n<td>~240-275 (35-40)<\/td>\n<td>\n<div>\n<div>~410-450 (60-65)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Mez kluzu (0,2%)<\/td>\n<td>MPa (ksi)<\/td>\n<td>290 (42)<\/td>\n<td>218 (32)<\/td>\n<td>266 (39)<\/td>\n<td>290 (42)\u00b9<\/td>\n<td>~180-220 (26-32)<\/td>\n<td>\n<div>\n<div>~360-400 (52-58)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Tvrdost<\/td>\n<td>BHN (10 mm\/500 kg)<\/td>\n<td>~100<\/td>\n<td>~82<\/td>\n<td>~91<\/td>\n<td>~103\u00b9<\/td>\n<td>~80-90<\/td>\n<td>~110-120<\/td>\n<\/tr>\n<tr>\n<td>Prodlou\u017een\u00ed (% v 50mm\/2\u2033)<\/td>\n<td>%<\/td>\n<td>~7<\/td>\n<td>~10<\/td>\n<td>~7<\/td>\n<td>~10\u00b9<\/td>\n<td>~10-20<\/td>\n<td>~5-8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 data-sourcepos=\"37:1-37:32\"><span class=\"ez-toc-section\" id=\"Table_3_Physical_Properties\"><\/span><strong>Tabulka 3: Fyzik\u00e1ln\u00ed vlastnosti<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\" data-sheets-baot=\"1\">\n<colgroup>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/><\/colgroup>\n<tbody>\n<tr>\n<td>Majetek<\/td>\n<td>Jednotka<\/td>\n<td>Zamak 2<\/td>\n<td>Zamak 3<\/td>\n<td>Zamak 5<\/td>\n<td>ZA-8<\/td>\n<td>Superloy (ILZRO 16)<\/td>\n<td>AcuZinc 5<\/td>\n<\/tr>\n<tr>\n<td>Rozsah t\u00e1n\u00ed<\/td>\n<td>\u00b0C (\u00b0F)<\/td>\n<td>380-386 (717-727)<\/td>\n<td>381-387 (718-728)<\/td>\n<td>380-386 (717-727)<\/td>\n<td>375-387 (707-728)<\/td>\n<td>~378-385 (712-725)\u00b2<\/td>\n<td>\n<div>\n<div>~379-388 (714-730)\u00b2<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Hustota<\/td>\n<td>g\/cm\u00b3 (lb\/in\u00b3)<\/td>\n<td>6.7 (0.242)<\/td>\n<td>6.6 (0.238)<\/td>\n<td>6.6 (0.238)<\/td>\n<td>6.3 (0.227)<\/td>\n<td>~6.8 (0.246)\u00b2<\/td>\n<td>~6.6 (0.238)\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Tepeln\u00e1 vodivost<\/td>\n<td>W\/m-K (BTU\/hod-stopa-\u00b0F)<\/td>\n<td>105 (60.7)<\/td>\n<td>113 (65.3)<\/td>\n<td>109 (63.0)<\/td>\n<td>115 (66.5)<\/td>\n<td>~110 (63.5)\u00b2<\/td>\n<td>~108 (62.4)\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Elektrick\u00e1 vodivost<\/td>\n<td>% IACS<\/td>\n<td>~26%<\/td>\n<td>~27%<\/td>\n<td>~26%<\/td>\n<td>~27.7%<\/td>\n<td>~27%\u00b2<\/td>\n<td>~26%\u00b2<\/td>\n<\/tr>\n<tr>\n<td>M\u011brn\u00e9 teplo<\/td>\n<td>J\/kg-K (BTU\/lb-\u00b0F)<\/td>\n<td>419 (0.10)<\/td>\n<td>419 (0.10)<\/td>\n<td>419 (0.10)<\/td>\n<td>435 (0.104)<\/td>\n<td>~420 (0.10)\u00b2<\/td>\n<td>~420 (0.10)\u00b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Comparison_of_Zinc_Alloy_Zamak_5_vs_Alternative_Materials\"><\/span>Srovn\u00e1n\u00ed zinkov\u00e9 slitiny (Zamak 5) s alternativn\u00edmi materi\u00e1ly<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\" data-sheets-baot=\"1\">\n<colgroup>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/><\/colgroup>\n<tbody>\n<tr>\n<td>Metrick\u00e9<\/td>\n<td>Zinkov\u00e1 slitina (Zamak 5)<\/td>\n<td>Hlin\u00edkov\u00e1 slitina (A380)<\/td>\n<td>Ho\u0159\u010d\u00edkov\u00e1 slitina (AZ91D)<\/td>\n<td>Lit\u00e1 mosaz (typick\u00e1 \u017elut\u00e1)<\/td>\n<td>\n<div>\n<div>Technick\u00e9 plasty (obecn\u011b)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Relativn\u00ed n\u00e1klady (d\u00edl\u010d\u00ed n\u00e1klady)\u00b9<\/td>\n<td>M\u00edrn\u00e1<\/td>\n<td>N\u00edzk\u00e1 a\u017e st\u0159edn\u00ed<\/td>\n<td>M\u00edrn\u00e1 a\u017e vysok\u00e1<\/td>\n<td>Vysok\u00e1 a\u017e velmi vysok\u00e1<\/td>\n<td>\n<div>\n<div>N\u00edzk\u00e1 a\u017e vysok\u00e1 (siln\u011b z\u00e1visl\u00e1 na objemu)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Hustota (g\/cm\u00b3)<\/td>\n<td>Vysok\u00e1 (~6,6)<\/td>\n<td>N\u00edzk\u00e1 (~2,7)<\/td>\n<td>Velmi n\u00edzk\u00e1 (~1,8)<\/td>\n<td>Velmi vysok\u00e1 (~8,4-8,7)<\/td>\n<td>\n<div>\n<div>Velmi n\u00edzk\u00e1 (~1,0 - 1,5+)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Pevnost \/ tuhost<\/td>\n<td>Dobr\u00fd<\/td>\n<td>Dobr\u00fd (v\u00fdborn\u00e1 pevnost\/hmotnost)<\/td>\n<td>Slu\u0161n\u00fd a\u017e dobr\u00fd (v\u00fdborn\u00e1 pevnost\/hmotnost)<\/td>\n<td>Dobr\u00fd a\u017e v\u00fdborn\u00fd<\/td>\n<td>\n<div>\n<div>\u0160patn\u00fd a\u017e dobr\u00fd (velmi variabiln\u00ed)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Maxim\u00e1ln\u00ed provozn\u00ed teplota \/ odolnost proti te\u010den\u00ed<\/td>\n<td>Slu\u0161n\u00fd (omezen\u00fd &gt;100\u00b0C)<\/td>\n<td>Dobr\u00fd (pou\u017eiteln\u00fd ~200\u00b0C)<\/td>\n<td>Slu\u0161n\u00fd (omezen\u00fd &gt;120 \u00b0C, z\u00e1vis\u00ed na slitin\u011b)<\/td>\n<td>Vynikaj\u00edc\u00ed<\/td>\n<td>\n<div>\n<div>\u0160patn\u00fd a\u017e dobr\u00fd (velmi prom\u011bnliv\u00fd)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Odl\u00e9vatelnost \/ tvarovatelnost\u00b2<\/td>\n<td>Vynikaj\u00edc\u00ed (hork\u00e1 komora, tenk\u00e9 st\u011bny, \u017eivotnost formy, doba cyklu, tolerance)<\/td>\n<td>Dobr\u00fd (studen\u00e1 komora, dobr\u00e1 tekutost, pomalej\u0161\u00ed cykly, krat\u0161\u00ed \u017eivotnost matrice)<\/td>\n<td>Velmi dobr\u00e9 (mo\u017enost hork\u00e9 komory, tenk\u00e9 st\u011bny, rychl\u00e9 cykly, nutn\u00e1 ochrana)<\/td>\n<td>Spravedliv\u00e9 (Obt\u00ed\u017en\u00e9 tlakov\u00e9 lit\u00ed, ostatn\u00ed metody pomalej\u0161\u00ed)<\/td>\n<td>\n<div>\n<div>Vynikaj\u00edc\u00ed (vst\u0159ikov\u00e1n\u00ed, slo\u017eit\u00e9 tvary, rychl\u00e9 cykly)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Mo\u017enosti povrchov\u00e9 \u00fapravy (pokovov\u00e1n\u00ed, lakov\u00e1n\u00ed atd.)<\/td>\n<td>V\u00fdborn\u00fd (Nejjednodu\u0161\u0161\u00ed na p\u0159\u00edpravu)<\/td>\n<td>Dobr\u00fd (mo\u017enost eloxov\u00e1n\u00ed, nutn\u00e1 p\u0159\u00edprava na pokoven\u00ed)<\/td>\n<td>Spravedliv\u00fd (vy\u017eaduje zvl\u00e1\u0161tn\u00ed zach\u00e1zen\u00ed, riziko koroze)<\/td>\n<td>V\u00fdborn\u00fd (dob\u0159e se le\u0161t\u00ed, snadno se pokovuje)<\/td>\n<td>\n<div>\n<div>Dobr\u00fd a\u017e dobr\u00fd (Integr\u00e1ln\u00ed barva, pot\u0159ebuje specifika pro pokoven\u00ed\/malbu)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Hlavn\u00ed v\u00fdhody<\/td>\n<td>Odl\u00e9vatelnost, povrchov\u00e1 \u00faprava, rozm\u011brov\u00e1 p\u0159esnost, m\u00edrn\u00e1 cena<\/td>\n<td>N\u00edzk\u00e1 hmotnost, pevnost\/hmotnost, odolnost proti teplot\u00e1m, cena<\/td>\n<td>Nejni\u017e\u0161\u00ed hmotnost, pevnost\/hmotnost, sl\u00e9vatelnost (tenk\u00e9 st\u011bny)<\/td>\n<td>Pevnost, odolnost proti korozi, nosn\u00e9 vlastnosti, estetika<\/td>\n<td>\n<div>\n<div>Nejni\u017e\u0161\u00ed hmotnost, n\u00edzk\u00e9 n\u00e1klady (vysok\u00fd objem), flexibilita designu, integrovan\u00e1 barva<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Hlavn\u00ed nev\u00fdhody<\/td>\n<td>Vysok\u00e1 hustota, ni\u017e\u0161\u00ed teplotn\u00ed odolnost<\/td>\n<td>Vy\u0161\u0161\u00ed teplota zpracov\u00e1n\u00ed\/n\u00e1klady, ni\u017e\u0161\u00ed \u017eivotnost ne\u017e u zinku<\/td>\n<td>N\u00e1klady, n\u00e1chylnost ke korozi, teplotn\u00ed limity, riziko ho\u0159lavosti (roztaven\u00e9)<\/td>\n<td>Vysok\u00e9 n\u00e1klady, vysok\u00e1 hustota, obt\u00ed\u017en\u00e9 tlakov\u00e9 lit\u00ed<\/td>\n<td>\n<div>\n<div>Ni\u017e\u0161\u00ed pevnost\/tuhost, ni\u017e\u0161\u00ed teplotn\u00ed odolnost, te\u010den\u00ed<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Manufacturing_Processes_for_Zinc_Alloys\"><\/span>V\u00fdrobn\u00ed procesy pro slitiny zinku<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"A_Die_Casting\"><\/span>A.  Tlakov\u00e9 lit\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Hot_Chamber_Die_Casting\"><\/span>Tlakov\u00e9 lit\u00ed za tepla:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Proces, kter\u00fd dok\u00e1\u017ee vtla\u010dit roztavenou zinkovou slitinu do dutiny z\u00e1pustky, aby z\u00edskala profil v\u00fdrobku, je hork\u00e1 komora. <a href=\"https:\/\/aludiecasting.com\/cs\/vakuove-liti-zinku-pod-tlakem\/\">tlakov\u00e9 lit\u00ed zinku<\/a>. K pr\u016ftoku kapaliny pou\u017e\u00edv\u00e1 hus\u00ed krk a p\u00edstov\u00fd syst\u00e9m.<\/p>\n<p>Tento postup je vhodn\u00fd pro odl\u00e9v\u00e1n\u00ed kov\u016f s ni\u017e\u0161\u00edmi body t\u00e1n\u00ed. Proto se hod\u00ed pro zinek. Jeho doba cyklu je 50-100 v\u00fdst\u0159el\u016f za hodinu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cold_Chamber_Die_Casting\"><\/span>Tlakov\u00e9 lit\u00ed za studena:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Odl\u00e9v\u00e1n\u00ed ve studen\u00e9 komo\u0159e nen\u00ed jako odl\u00e9v\u00e1n\u00ed v hork\u00e9 komo\u0159e; hod\u00ed se pro slitiny s vy\u0161\u0161\u00ed teplotou t\u00e1n\u00ed. K roztaven\u00ed kovu a jeho ru\u010dn\u00edmu nalit\u00ed do formy slou\u017e\u00ed samostatn\u00e1 pec.<\/p>\n<p>Je mnohem pomalej\u0161\u00ed ne\u017e odl\u00e9v\u00e1n\u00ed do hork\u00e9 komory a m\u016f\u017ee produkovat 20 a\u017e 40 v\u00fdst\u0159el\u016f za hodinu. U slitin lit\u00fdch do zinku v\u0161ak doch\u00e1z\u00ed k men\u0161\u00edmu zne\u010di\u0161t\u011bn\u00ed \u017eelezem.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"B_Gravity_Casting\"><\/span>B.  Gravita\u010dn\u00ed lit\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159i gravita\u010dn\u00edm lit\u00ed ochlazuj\u00ed kovod\u011bln\u00edci odlitky p\u0159irozenou konvekc\u00ed. K tomu pou\u017e\u00edvaj\u00ed rychlost chlazen\u00ed 1-10 \u00b0C\/s.<\/p>\n<p>Vznikaj\u00ed hrub\u00e9 dendrity, kter\u00e9 rovn\u011b\u017e sni\u017euj\u00ed pevnost v tahu ve srovn\u00e1n\u00ed s tlakov\u011b lit\u00fdmi p\u0159edm\u011bty. T\u00edm se v\u0161ak zachov\u00e1v\u00e1 ta\u017enost, a dokonce doch\u00e1z\u00ed k jej\u00edmu zlep\u0161en\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"C_Sand_Casting\"><\/span>C.  Odl\u00e9v\u00e1n\u00ed do p\u00edsku<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nejobl\u00edben\u011bj\u0161\u00edm a nejjednodu\u0161\u0161\u00edm zp\u016fsobem odl\u00e9v\u00e1n\u00ed je odl\u00e9v\u00e1n\u00ed do p\u00edsku. K odl\u00e9v\u00e1n\u00ed zinkov\u00fdch d\u00edl\u016f je zapot\u0159eb\u00ed m\u00e9n\u011b pr\u00e1ce a jen m\u00e9n\u011b kl\u00ed\u010dov\u00fdch krok\u016f.<\/p>\n<p>V\u00fdrobci p\u0159itom nalij\u00ed roztaven\u00fd zinek do brusn\u00e9 formy a po\u010dkaj\u00ed, a\u017e vychladne. Pot\u00e9 se z\u00e1pustka otev\u0159e a hotov\u00fd d\u00edl se vyjme.<\/p>\n<p>Tvarov\u00e1n\u00ed p\u00edskem trv\u00e1 mnoho hodin a chladne pomalu p\u0159ibli\u017en\u011b 0,1-1 \u00b0C\/s. To je p\u0159\u00ed\u010dinou vzniku velk\u00e9ho mno\u017estv\u00ed eutektick\u00fdch f\u00e1z\u00ed. Hlavn\u00edmi v\u00fdhodami d\u00edl\u016f lit\u00fdch do p\u00edsku ZA27 jsou lep\u0161\u00ed tepeln\u00e1 stabilita ne\u017e u tlakov\u00e9ho lit\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"D_Surface_Finishing\"><\/span>D.  Povrchov\u00e1 \u00faprava<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Povrch je velmi d\u016fle\u017eit\u00fd pro zv\u00fd\u0161en\u00ed kvality a vlastnost\u00ed slitin. Nap\u0159\u00edklad galvanick\u00e9 pokoven\u00ed (5-15 \u03bcm zinek-nikl) zastavuje korozi 5kr\u00e1t l\u00e9pe.<\/p>\n<p>Pro z\u00edsk\u00e1n\u00ed kr\u00e1sn\u00e9ho vzhledu je cenn\u00e1 pr\u00e1\u0161kov\u00e1 barva (50-80 \u03bcm). Zvy\u0161uje tak\u00e9 po\u010det slitin, kter\u00e9 p\u0159e\u017eij\u00ed v\u00edce ne\u017e 500hodinov\u00e9 zkou\u0161ky solnou mlhou, jako nap\u0159. <a href=\"https:\/\/meridian.allenpress.com\/corrosion\/article-abstract\/68\/3\/036001-1\/162716\" target=\"_blank\" rel=\"noopener\">ASTM B117<\/a>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"E_Machining\"><\/span>E.  Obr\u00e1b\u011bn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bezolovnat\u00e9 slo\u017een\u00ed zinkov\u00fdch slitin, jako je Zamak 3, nab\u00edz\u00ed 80% lep\u0161\u00ed obrobitelnost ne\u017e voln\u011b \u0159ezan\u00e1 mosaz. Sni\u017euje tak\u00e9 drsnost povrchu o 0,8-1,6 \u03bcm Ra.<\/p>\n<p>Slitiny s vysok\u00fdm obsahem m\u011bdi, kter\u00e9 obsahuj\u00ed abrazivn\u00ed intermetalick\u00e9 prvky<strong>,<\/strong> jako Zamak 2, pot\u0159ebuj\u00ed k obr\u00e1b\u011bn\u00ed n\u00e1stroje z tvrdokovu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"F_Recycling\"><\/span>F.   Recyklace<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zinkov\u00e9 slitiny lze po skon\u010den\u00ed jejich \u017eivotnosti znovu pou\u017e\u00edt, proto\u017ee maj\u00ed recyklovateln\u00e9 vlastnosti 100%. P\u0159etavuj\u00ed se p\u0159i teplot\u011b 420-450 \u00b0C. V\u00fdskyt strusky m\u016f\u017eete sn\u00ed\u017eit a\u017e na &lt;2% hmotnosti taveniny, pokud se zam\u011b\u0159\u00edte na spr\u00e1vn\u00e9 taven\u00ed. Slitina si tak\u00e9 m\u016f\u017ee zachovat mechanick\u00e9 vlastnosti prost\u0159ednictv\u00edm v\u00edce ne\u017e 7 p\u0159etavovac\u00edch cykl\u016f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_Zinc_Alloys\"><\/span>V\u00fdhody zinkov\u00fdch slitin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Cost-Effectiveness\"><\/span>N\u00e1kladov\u00e1 efektivita<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Slitiny zinku mohou p\u0159i v\u00fdrob\u011b d\u00edl\u016f kompaktn\u00edch rozm\u011br\u016f u\u0161et\u0159it a\u017e 40-60% ve srovn\u00e1n\u00ed s hlin\u00edkem nebo nerezovou ocel\u00ed. Obvykle stoj\u00ed 2,50-3,50\/kg oproti 5-8\/kg u n\u00e1hrad.<\/p>\n<p>Tak\u00e9 v\u00fdb\u011br mo\u017enost\u00ed tlakov\u00e9ho lit\u00ed sni\u017euje jeho rychlost. Ceny se v\u0161ak li\u0161\u00ed v z\u00e1vislosti na typu slitiny, projektu nebo jin\u00fdch v\u00fdrobn\u00edch pot\u0159eb\u00e1ch.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Corrosion_Resistance_and_Durability\"><\/span>Odolnost proti korozi a trvanlivost<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak vydr\u017e\u00ed v\u00edce ne\u017e 500 hodin ve zkou\u0161k\u00e1ch solnou mlhou ve srovn\u00e1n\u00ed s m\u011bkkou ocel\u00ed (10x). Nap\u0159\u00edklad aplikace zinku pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed koroduj\u00ed velmi m\u00e1lo, a\u017e &lt;0,1 mm\/rok v. <strong>pob\u0159e\u017e\u00ed<\/strong> prost\u0159ed\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"High_Strength-to-Weight_Ratio\"><\/span>Vysok\u00fd pom\u011br pevnosti k hmotnosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159i dobr\u00e9 pevnosti v tahu maj\u00ed d\u00edly ze zinkov\u00fdch slitin hustotu 6,6-7,1 g\/cm\u00b3. To umo\u017e\u0148uje srovnatelnou pevnost. Litina m\u00e1 hustotu 7,2 g\/cm\u00b3. Z tohoto d\u016fvodu pracuje s ni\u017e\u0161\u00ed hmotnost\u00ed 20%.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Damping_Capacity\"><\/span>Tlumic\u00ed schopnost<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zinek se hod\u00ed k v\u00fdrob\u011b dr\u017e\u00e1k\u016f pro automobily a z\u00e1klad\u016f stroj\u016f. Je to proto, \u017ee dok\u00e1\u017ee tlumit 30% v\u00edce vibrac\u00ed ne\u017e alternativy, jako je hlin\u00edk. Sni\u017euj\u00ed hluk a\u017e o 15-20 dB.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Challenges_and_Limitations_of_Zinc_Alloys\"><\/span>V\u00fdzvy a omezen\u00ed zinkov\u00fdch slitin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T084805.642.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18256 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T084805.642.png\" alt=\"vady p\u0159i odl\u00e9v\u00e1n\u00ed zinku\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T084805.642.png 800w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T084805.642-480x300.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Corrosion_Mechanisms\"><\/span>Korozn\u00ed mechanismy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>U t\u011bchto slitin m\u016f\u017ee doch\u00e1zet ke galvanick\u00e9 korozi, pokud jsou p\u0159\u00edtomny u\u0161lechtilej\u0161\u00ed kovy, nap\u0159\u00edklad ocel. Prost\u0159ed\u00ed bohat\u00e9 na chloridy zp\u016fsobuje d\u016flkovou korozi (0,1-0,3 mm\/rok).<\/p>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T083428.934.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18254 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T083428.934.png\" alt=\"mechanismus koroze v zinov\u00e9m odlitku\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T083428.934.png 800w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-30T083428.934-480x300.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/a><\/p>\n<p>Slitiny, kter\u00e9 obsahuj\u00ed v\u00edce hlin\u00edku, se p\u0159i teplot\u00e1ch nad 60 \u00b0C pot\u00fdkaj\u00ed s mezikrystalovou koroz\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"High-Temperature_Performance\"><\/span>V\u00fdkon p\u0159i vysok\u00fdch teplot\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tyto slitiny ztr\u00e1cej\u00ed pevnost a\u017e do 40% p\u0159i teplot\u011b 150 \u00b0C (Zamak) a 60% p\u0159i 200 \u00b0C (ZA-8). Mikrostrukturn\u00ed hrubnut\u00ed, ke kter\u00e9mu doch\u00e1z\u00ed v d\u016fsledku tepeln\u00e9ho cyklov\u00e1n\u00ed, zp\u016fsobuje rozm\u011brov\u00fd posun na 100 cykl\u016f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Toxicity_Concerns\"><\/span>Obavy z toxicity<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vystaven\u00ed zinkov\u00fdm v\u00fdpar\u016fm m\u00e1 za n\u00e1sledek hore\u010dku z kovov\u00fdch v\u00fdpar\u016f. Tak\u00e9 pro stopy kadmia je d\u016fle\u017eit\u00e9 v\u011btr\u00e1n\u00ed podle OSHA. P\u0159i taven\u00ed zinku je t\u0159eba pou\u017e\u00edvat osobn\u00ed ochrann\u00e9 prost\u0159edky s filtry P100 a ods\u00e1v\u00e1n\u00ed d\u00fdmu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Creep_Resistance\"><\/span>Odolnost proti te\u010den\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>U ZA-27 dosahuje deformace p\u0159i te\u010den\u00ed 0,5% p\u0159i tlaku 50 mpa po 1000 hodin\u00e1ch. V\u011bt\u0161ina slo\u017eit\u00fdch konstrukc\u00ed sni\u017euje nap\u011bt\u00ed na mez kluzu. Ke zvl\u00e1dnut\u00ed deformace pou\u017e\u00edvaj\u00ed \u017eebrovou v\u00fdztu\u017e.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Z\u00e1v\u011br<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Slitiny zinku hraj\u00ed velmi d\u016fle\u017eitou roli p\u0159i v\u00fdrob\u011b r\u016fzn\u00fdch aplikac\u00ed. Je cenov\u011b v\u00fdhodn\u00e1, ale p\u0159itom nab\u00edz\u00ed vynikaj\u00edc\u00ed sl\u00e9vatelnost a odolnost proti korozi. Stejn\u011b jako ostatn\u00ed kovy maj\u00ed ur\u010dit\u00e1 omezen\u00ed, jsou v\u0161ak univerz\u00e1ln\u00ed a recyklovateln\u00e9. Zajist\u011bte si odolnost v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch s kovem podle sv\u00e9ho v\u00fdb\u011bru.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Prozkoumejte slitiny lit\u00e9ho zinku: Zamak, ZA, AcuZinc a dal\u0161\u00ed. Pochopte jejich jedine\u010dn\u00e9 vlastnosti, v\u00fdhody, omezen\u00ed a v\u00fdrobn\u00ed techniky, jako je tlakov\u00e9 lit\u00ed. <\/p>","protected":false},"author":2,"featured_media":18259,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[85],"tags":[],"class_list":["post-18252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zinc-alloys"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/18252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/comments?post=18252"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/18252\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media\/18259"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media?parent=18252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/categories?post=18252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/tags?post=18252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}