{"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":"stobte-zinklegeringer-en-guide-til-typer-og-egenskaber","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/","title":{"rendered":"St\u00f8bte zinklegeringer: En guide til typer, egenskaber og anvendelser"},"content":{"rendered":"<p>Zinklegeringer, der bruges til trykst\u00f8bning, omfatter Zamak 2, Zamak 3, Zamak 5 og ZA8. Zamak 2 har 3,8-4,3% aluminium, 2,7-3,3% kobber og 0,035-0,06% magnesium med en tr\u00e6kstyrke p\u00e5 328 MPa. Zamak 3 er kobberfri (&lt;0,03%), har 3,8-4,3% aluminium og 0,035-0,06% magnesium med en tr\u00e6kstyrke p\u00e5 283 MPa. Zamak 5 indeholder 3,8-4,3% aluminium, 0,7-1,1% kobber og 0,035-0,06% magnesium og har en tr\u00e6kstyrke p\u00e5 310 MPa. ZA8 har 8,2-8,8% aluminium, 0,9-1,3% kobber og 0,02-0,035% magnesium med en tr\u00e6kstyrke p\u00e5 386 MPa og bedre termisk stabilitet.<\/p>\n<p>Vil du se, hvorfor industrier med store volumener som bilindustrien, forbrugsgoder eller elektronik v\u00e6lger dem? Dyk ned i denne artikel for at l\u00e6re, hvordan zinklegeringer fungerer og deres fordele i detaljer.<\/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\">Indholdsfortegnelse<\/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=\"Skift til indholdsfortegnelse\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Classification_of_Zinc_Alloys\" >Klassificering af zinklegeringer<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Zamak_2_Alloy\" >Zamak 2 Legering<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Composition\" >Sammens\u00e6tning:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Properties\" >Egenskaber:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Applications\" >Applikationer:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Zamak_3_Alloy\" >Zamak 3 Legering<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Composition-2\" >Sammens\u00e6tning:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Properties-2\" >Egenskaber:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Applications-2\" >Applikationer:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Zamak_5_Alloy\" >Zamak 5 Legering<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Composition-3\" >Sammens\u00e6tning:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Properties-3\" >Egenskaber:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Applications-3\" >Applikationer:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#ZA8_Alloy\" >ZA8-legering<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Composition-4\" >Sammens\u00e6tning:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Properties-4\" >Egenskaber:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Applications-4\" >Applikationer:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Composition-5\" >Sammens\u00e6tning:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Properties-5\" >Egenskaber:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Applications-5\" >Applikationer:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#AcuZinc_5_Alloy\" >AcuZinc 5-legering<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Composition-6\" >Sammens\u00e6tning:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Properties-6\" >Egenskaber:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Applications-6\" >Applikationer:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Properties_of_Zinc_Alloys\" >Egenskaber ved zinklegeringer<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Mechanical_Properties\" >Mekaniske egenskaber<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Corrosion_Resistance\" >Modstandsdygtighed over for korrosion<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Thermal_and_Electrical_Properties\" >Termiske og elektriske egenskaber<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Fatigue_Resistance\" >Modstandsdygtighed over for udmattelse<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Zamak_2_3_5_ZA-8_Superloy_and_AcuZinc_5_Comparison_Table\" >Sammenligningstabel for Zamak 2, 3, 5, ZA-8, Superloy og 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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Table_2_Mechanical_Properties_Typical_Die-Cast_Values\" >Tabel 2: Mekaniske egenskaber (typiske trykst\u00f8bte v\u00e6rdier)<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Table_3_Physical_Properties\" >Tabel 3: Fysiske egenskaber<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Comparison_of_Zinc_Alloy_Zamak_5_vs_Alternative_Materials\" >Sammenligning af zinklegering (Zamak 5) og alternative materialer<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Manufacturing_Processes_for_Zinc_Alloys\" >Fremstillingsprocesser for zinklegeringer<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#A_Die_Casting\" >A.  Trykst\u00f8bning<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Hot_Chamber_Die_Casting\" >Trykst\u00f8bning med varmt kammer:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Cold_Chamber_Die_Casting\" >Trykst\u00f8bning i koldt kammer:<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#B_Gravity_Casting\" >B.  St\u00f8bning ved hj\u00e6lp af tyngdekraft<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#C_Sand_Casting\" >C.  Sandst\u00f8bning<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#D_Surface_Finishing\" >D.  Overfladebehandling<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#E_Machining\" >E.  Bearbejdning<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#F_Recycling\" >F.   Genbrug<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Advantages_of_Zinc_Alloys\" >Fordele ved zinklegeringer<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Cost-Effectiveness\" >Omkostningseffektivitet<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Corrosion_Resistance_and_Durability\" >Korrosionsbestandighed og holdbarhed<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#High_Strength-to-Weight_Ratio\" >H\u00f8jt styrke-til-v\u00e6gt-forhold<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Damping_Capacity\" >D\u00e6mpningskapacitet<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Challenges_and_Limitations_of_Zinc_Alloys\" >Udfordringer og begr\u00e6nsninger ved zinklegeringer<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Corrosion_Mechanisms\" >Korrosionsmekanismer<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#High-Temperature_Performance\" >Ydeevne ved h\u00f8je temperaturer<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Toxicity_Concerns\" >Bekymringer om toksicitet<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Creep_Resistance\" >Modstand mod krybning<\/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\/da\/stobte-zinklegeringer-en-guide-til-typer-og-egenskaber\/#Conclusion\" >Konklusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Classification_of_Zinc_Alloys\"><\/span>Klassificering af zinklegeringer<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=\"Klassificering af zinklegeringer\" 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>Zinklegeringer falder ind under forskellige kategorier. Da de har forskellige prim\u00e6re legeringselementer, varierer deres egenskaber. Det er s\u00e5dan, du kan bestemme deres mekaniske egenskaber, st\u00f8beadf\u00e6rd og industrielle komponenter. Lad os se p\u00e5 de vigtigste.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zamak_2_Alloy\"><\/span>Zamak 2 Legering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition\"><\/span>Sammens\u00e6tning:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 2 indeholder zink som det prim\u00e6re element. Der er ogs\u00e5 3,8-4,3% aluminium, 2,7-3,3% kobber og 0,035-0,06% magnesium. Den har en h\u00f8jere m\u00e6ngde kobber end andre legeringer. H\u00e5rdheden og slidstyrken \u00f8ges som f\u00f8lge heraf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties\"><\/span>Egenskaber:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>328 Mpa er tr\u00e6kstyrken for Zamak 2. H\u00e5rdheden g\u00e5r fra 100 HB. Den h\u00f8jere m\u00e6ngde kobber danner en stabil <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/0022024874900177\" target=\"_blank\" rel=\"noopener\">alfa-beta messingfase<\/a>.<\/p>\n<p>Det betyder, at disse legeringer har dimensionsstabilitet. Hvor du er i stand til at f\u00e5 n\u00f8jagtige resultater fra st\u00f8rkning.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications\"><\/span>Applikationer:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>De komponenter, der er udsat for store belastninger, er fremstillet af zamak 2. For eksempel tandhjul, l\u00e5se og dele til industrimaskiner.<\/p>\n<p><strong>Bin\u00e6re eutektiske faser<\/strong> indhyller zinkrige dendritter. Det er det unikke ved denne legerings mikrostruktur. Det er ogs\u00e5 en fordel, n\u00e5r det g\u00e6lder slidstyrke.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zamak_3_Alloy\"><\/span>Zamak 3 Legering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-2\"><\/span>Sammens\u00e6tning:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 3-legeringen best\u00e5r af en lavere m\u00e6ngde kobber (&lt;0,03%) sammen med 3,8 - 4,3% aluminium og 0,035 - 0,06% magnesium.<\/p>\n<p>Denne legering adskiller sig fra andre zamak-legeringer, da der n\u00e6sten ikke er noget kobber til stede.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-2\"><\/span>Egenskaber:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00c5rsagen til Zamak 3's overlegne duktilitet er dens tr\u00e6kstyrke p\u00e5 283 MPa og forl\u00e6ngelsen p\u00e5 20%. Magnesiumblandingen hj\u00e6lper med at forfine zinkens korngr\u00e6nser. Derfor undg\u00e5r en finkornet struktur revner under afk\u00f8lingsprocessen.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-2\"><\/span>Applikationer:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Disse legeringer passer til kompakte st\u00f8rrelser eller kompliceret formede dele. For eksempel lynl\u00e5se, leget\u00f8jshjul og elektriske stik.<\/p>\n<p>N\u00e5r vi taler om dens mikrostruktur, har den en mere indviklet dendrit. Der er 20-40 \u03bcm mellemrum i dentritten sammenlignet med Zamak 2. S\u00e5 legeringerne kan st\u00f8be meget specifikke dele.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zamak_5_Alloy\"><\/span>Zamak 5 Legering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-3\"><\/span>Sammens\u00e6tning:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Der er 3,8 - 4,3% aluminium, 0,7 - 1,1% kobber og 0,035 - 0,06% magnesium i Zamak 5-legeringen. Den har ogs\u00e5 et moderat kobberindhold. Det ligger mellem Zamak 2 og Zamak 3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-3\"><\/span>Egenskaber:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak-legeringer er dem, der har en afbalanceret styrke (310 MPa tr\u00e6kstyrke) og st\u00f8bbarhed. Den har ogs\u00e5 en intermetallisk dannelse af kobber-aluminium. Det er det, kobbertils\u00e6tning g\u00f8r, og det \u00f8ger h\u00e5rdheden op til 91 HB.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-3\"><\/span>Applikationer:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 5 passer godt til fremstilling af bilkomponenter (d\u00f8rh\u00e5ndtag, karburatordele) og hardware. Dens struktur giver bedre flydeevne, hvilket resulterer i mindre por\u00f8sitet.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ZA8_Alloy\"><\/span>ZA8-legering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-4\"><\/span>Sammens\u00e6tning:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>8,2 - 8,8% aluminium, 0,9 - 1,3% kobber og 0,02 - 0,035% magnesium er til stede i ZA8-legeringens sammens\u00e6tning. Den adskiller sig fra Zamak-legeringer p\u00e5 grund af den store m\u00e6ngde aluminium.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-4\"><\/span>Egenskaber:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ZA8 fungerer ved 120 \u00b0C. Der er 386 Mpa tr\u00e6kstyrke. 40% af denne legerings mikrostruktur best\u00e5r af aluminium-zink eutektisk fase. En anden funktion er at forbedre krybbestandigheden.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-4\"><\/span>Applikationer:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Du kan fremstille h\u00f8jtryksst\u00f8bte dele med ZA8-legering. For eksempel pumpehuse og beslag. Den giver termisk stabilitet, da der er 50-80 \u03bcm mellemrum mellem dendritterne i dens struktur.<\/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>Sammens\u00e6tning:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Superlegeringskategorien af zink best\u00e5r af 6,6 - 7,2% aluminium, 3,2 - 3,8% kobber og &lt;0,005% magnesium. Det h\u00f8jere kobberelement i denne legering ligner messing. Det skyldes, at den har samme forsp\u00e6nding.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-5\"><\/span>Egenskaber:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Indholdet af kobber-aluminium udf\u00e6ldes, s\u00e5 Superloy f\u00e5r en h\u00e5rdhed p\u00e5 120. Det indeholder en blanding af alfa- og betafaser. Det er derfor, deres tr\u00e6kstyrke er s\u00e5 god som 440 Mpa.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-5\"><\/span>Applikationer:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Denne type zinkindhold er velegnet til st\u00f8bning af tunge dele som motoroph\u00e6ng og industrielt v\u00e6rkt\u00f8j. Det st\u00f8rkner langsomt. Det betyder, at de fremmer dendritisk struktur som f\u00f8lge heraf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"AcuZinc_5_Alloy\"><\/span>AcuZinc 5-legering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Composition-6\"><\/span>Sammens\u00e6tning:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>2,8 - 3,3% aluminium, 5,0 - 6,0% kobber og 0,025 - 0,05% magnesium danner tilsammen legeringen AcuZinc 5. Sammenlignet med de fleste zinklegeringer indeholder den for meget kobber.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties-6\"><\/span>Egenskaber:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Det h\u00f8jere indhold af kobber danner en kobber-zink-matrix. Det giver en tr\u00e6kstyrke p\u00e5 350 Mpa. Magnesiumindholdet er til for at forfine strukturer. Det mindsker ogs\u00e5 risikoen for svind.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications-6\"><\/span>Applikationer:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Dette zinkmetal er is\u00e6r nyttigt til fremstilling af lejer og b\u00f8sninger. Det er en brugt maskinopstilling. Der er en tern\u00e6r eutektisk fase. Det giver en lav friktionskoefficient p\u00e5 op til 0,1-0,15.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Properties_of_Zinc_Alloys\"><\/span>Egenskaber ved zinklegeringer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Mechanical_Properties\"><\/span>Mekaniske egenskaber<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u00e6kstyrken for zinkbaserede legeringer svinger mellem 283 Mpa (Zamak 3) og 440 MPa (Superloy). Dens forl\u00e6ngelsesv\u00e6rdi er 10-20%.<\/p>\n<p>Ligeledes arkiverer legeringen Zamak 5 310 MPa tr\u00e6kstyrke med en h\u00e5rdhed p\u00e5 91 HB.<\/p>\n<p>Trykst\u00f8bte dele af zink udviser langt bedre styrke (15%) end dem, der er sandst\u00f8bte. Sandst\u00f8bning giver ogs\u00e5 variationer i formerne, fordi den afk\u00f8les tidligt.<\/p>\n<p>ZA8-metallet kan modst\u00e5 store belastninger. Det g\u00f8r det ideelt til applikationer med h\u00f8j belastning som f.eks. pumpehuse.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Corrosion_Resistance\"><\/span>Modstandsdygtighed over for korrosion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Korrosionsmekanismen (vist p\u00e5 billedet) viser den elektrokemiske opf\u00f8rsel af zinklegeringer. Hvor zinkoxid dannes ved anoderne (Zn \u2192 Zn\u00b2\u207a + 2e-).<\/p>\n<p>Grunden til, at ilt reduceres, er p\u00e5 grund af katoder (O\u2082 + 2H\u2082O + 4e- \u2192 4OH-). N\u00e5r der dannes et beskyttende lag, producerer kloridioner (Cl-) opl\u00f8selig ZnCl\u2082. Det forstyrrer dette lag og for\u00e5rsager grubet\u00e6ring omkring 0,1-0,5 mm\/\u00e5r.<\/p>\n<p>Tilstedev\u00e6relsen af aluminium i zinkmetal (Zamak) stabiliserer dette skjold. Det er p\u00e5 grund af dets evne til at modst\u00e5 korrosion (30%).<\/p>\n<p>I mellemtiden \u00f8ges risikoen for afzinkning i havmilj\u00f8er p\u00e5 grund af kobberelementer.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thermal_and_Electrical_Properties\"><\/span>Termiske og elektriske egenskaber<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>I tilf\u00e6lde af termisk udvidelseskoefficient indeholder zamak 23 \u00d7 10-\u2076\/\u00b0C (ZA8) til 29 \u00d7 10-\u2076\/\u00b0C. Tils\u00e6tning af legeringselementer \u00e6ndrer den faktiske elektriske ledningsevne eller reducerer den.<\/p>\n<p>Hvis man f.eks. tilf\u00f8jer mere kobber i zamak 3 for at danne zamak 2, falder det fra 28% IACS til 26%.<\/p>\n<p>Men den termiske stabilitet p\u00e5 omkring 110-125 W\/m-K (under 100 \u00b0C) for disse legeringer \u00e6ndrer sig ikke. P\u00e5 grund af dette er de velegnede til en lang r\u00e6kke dele, herunder k\u00f8lelegemer.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fatigue_Resistance\"><\/span>Modstandsdygtighed over for udmattelse<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hver zinkmetallegering har indtil videre haft gr\u00e6nser for udmattelsesmodstand. Det svinger mellem 120 Mpa for Zamak 3 og 180 Mpa for 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=\"Test af udmattelsesmodstand i zink\" 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>St\u00f8beteknikker forbedrer udmattelsesmodstanden med op til 20%. Det skyldes, at den komprimerer restsp\u00e6ndinger.<\/p>\n<p>I mellemtiden skal andre teknikker som bearbejdning arbejde for sp\u00e6ndingsaflastende udgl\u00f8dning. S\u00e5 de i f\u00f8rste omgang holder op med at revne<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Zamak_2_3_5_ZA-8_Superloy_and_AcuZinc_5_Comparison_Table\"><\/span><strong>Sammenligningstabel for Zamak 2, 3, 5, ZA-8, Superloy og AcuZinc 5<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Tabel 1: Nominelle sammens\u00e6tningsintervaller (% efter v\u00e6gt)<\/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>Element<\/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>Aluminium (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>Kobber (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>Magnesium (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>Titanium (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>Krom (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>Jern (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>Bly (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>Cadmium (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>Tin (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>Zink (Zn)<\/td>\n<td>Balance<\/td>\n<td>Balance<\/td>\n<td>Balance<\/td>\n<td>Balance<\/td>\n<td>Balance<\/td>\n<td>Balance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Table_2_Mechanical_Properties_Typical_Die-Cast_Values\"><\/span>Tabel 2: Mekaniske egenskaber (typiske trykst\u00f8bte v\u00e6rdier)<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>Ejendom<\/td>\n<td>Enhed<\/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>Tr\u00e6kstyrke<\/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>Udbyttestyrke (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>H\u00e5rdhed<\/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>Forl\u00e6ngelse (% i 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>Tabel 3: Fysiske egenskaber<\/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>Ejendom<\/td>\n<td>Enhed<\/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>Smelteomr\u00e5de<\/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>T\u00e6thed<\/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>Termisk ledningsevne<\/td>\n<td>W\/m-K (BTU\/hr-ft-\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>Elektrisk ledningsevne<\/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>Specifik varme<\/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>Sammenligning af zinklegering (Zamak 5) og alternative materialer<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>Metrisk<\/td>\n<td>Zinklegering (Zamak 5)<\/td>\n<td>Aluminiumslegering (A380)<\/td>\n<td>Magnesiumlegering (AZ91D)<\/td>\n<td>St\u00f8bt messing (typisk gul)<\/td>\n<td>\n<div>\n<div>Konstrueret plast (generelt)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Relativ omkostning (delomkostning)\u00b9<\/td>\n<td>Moderat<\/td>\n<td>Lav til moderat<\/td>\n<td>Moderat til h\u00f8j<\/td>\n<td>H\u00f8j til meget h\u00f8j<\/td>\n<td>\n<div>\n<div>Lav til h\u00f8j (meget volumenafh\u00e6ngig)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Massefylde (g\/cm\u00b3)<\/td>\n<td>H\u00f8j (~6,6)<\/td>\n<td>Lav (~2,7)<\/td>\n<td>Meget lav (~1,8)<\/td>\n<td>Meget h\u00f8j (~8,4-8,7)<\/td>\n<td>\n<div>\n<div>Meget lav (~1,0 - 1,5+)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Styrke\/stivhed<\/td>\n<td>God<\/td>\n<td>God (fremragende styrke\/v\u00e6gt)<\/td>\n<td>Rimelig til god (fremragende styrke\/v\u00e6gt)<\/td>\n<td>God til fremragende<\/td>\n<td>\n<div>\n<div>D\u00e5rlig til god (meget varierende)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Maks. driftstemperatur \/ krympebestandighed<\/td>\n<td>Rimelig (begr\u00e6nset &gt;100\u00b0C)<\/td>\n<td>God (brugbar ~200\u00b0C)<\/td>\n<td>Rimelig (begr\u00e6nset &gt;120\u00b0C, afh\u00e6ngig af legering)<\/td>\n<td>Fremragende<\/td>\n<td>\n<div>\n<div>D\u00e5rlig til rimelig (meget varierende)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>St\u00f8bbarhed\/formbarhed\u00b2<\/td>\n<td>Fremragende (varmt kammer, tynde v\u00e6gge, formens levetid, cyklustid, tolerancer)<\/td>\n<td>God (koldt kammer, god fluiditet, langsommere cyklusser, kortere levetid)<\/td>\n<td>Meget god (mulighed for varmt kammer, tynde v\u00e6gge, hurtige cyklusser, behov for beskyttelse)<\/td>\n<td>Rimelig (trykst\u00f8bning vanskelig, andre metoder langsommere)<\/td>\n<td>\n<div>\n<div>Fremragende (spr\u00f8jtest\u00f8bning, komplekse former, hurtige cyklusser)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Muligheder for efterbehandling (plettering, maling osv.)<\/td>\n<td>Fremragende (nemmest at plade\/f\u00e6rdigg\u00f8re)<\/td>\n<td>God (anodisering mulig, skal forberedes til plettering)<\/td>\n<td>Rimelig (kr\u00e6ver s\u00e6rlig behandling, risiko for korrosion)<\/td>\n<td>Fremragende (polerer godt, let at plettere)<\/td>\n<td>\n<div>\n<div>Rimelig til god (integreret farve, har brug for specifikke oplysninger til plettering\/maling)<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Vigtige fordele<\/td>\n<td>St\u00f8bbarhed, efterbehandling, dimensionsn\u00f8jagtighed, moderate omkostninger<\/td>\n<td>Lav v\u00e6gt, styrke\/v\u00e6gt, temperaturbestandighed, pris<\/td>\n<td>Laveste v\u00e6gt, styrke\/v\u00e6gt, st\u00f8bbarhed (tynde v\u00e6gge)<\/td>\n<td>Styrke, korrosionsbestandighed, b\u00e6rende egenskaber, \u00e6stetik<\/td>\n<td>\n<div>\n<div>Laveste v\u00e6gt, lave omkostninger (h\u00f8jt volumen), designfleksibilitet, integreret farve<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>Vigtige ulemper<\/td>\n<td>H\u00f8j t\u00e6thed, lavere temperaturbestandighed<\/td>\n<td>H\u00f8jere behandlingstemperatur\/omkostninger, lavere levetid end zink<\/td>\n<td>Omkostninger, korrosionsf\u00f8lsomhed, temperaturgr\u00e6nser, brandfare (smeltet)<\/td>\n<td>H\u00f8je omkostninger, h\u00f8j densitet, vanskelig trykst\u00f8bning<\/td>\n<td>\n<div>\n<div>Lavere styrke\/stivhed, lavere temperaturbestandighed, krybning<\/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>Fremstillingsprocesser for zinklegeringer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"A_Die_Casting\"><\/span>A.  Trykst\u00f8bning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Hot_Chamber_Die_Casting\"><\/span>Trykst\u00f8bning med varmt kammer:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Processen, der kan tvinge smeltet zinklegering ind i formhulrummet for at f\u00e5 produktprofiler, er et varmt kammer <a href=\"https:\/\/aludiecasting.com\/da\/vakuum-zink-trykstobning\/\">Trykst\u00f8bning af zink<\/a>. Den bruger svanehals- og stempelsystemer til at flyde v\u00e6ske.<\/p>\n<p>Denne proces er god til st\u00f8bning af metal med lavere smeltepunkter. Det er derfor, den passer til zink. Den gennemf\u00f8rer sine cyklustider p\u00e5 50-100 skud\/time.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cold_Chamber_Die_Casting\"><\/span>Trykst\u00f8bning i koldt kammer:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Koldkammerst\u00f8bning er ikke som et varmt kammer; det passer til legeringer med h\u00f8jere smeltepunkt. Der er en separat ovn til at smelte metal og manuelt h\u00e6lde det i formen.<\/p>\n<p>Det er meget langsommere end varmkammerst\u00f8bning og kan producere 20 til 40 skud i timen. Der er dog mindre jernforurening i zinkst\u00f8bte legeringer.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"B_Gravity_Casting\"><\/span>B.  St\u00f8bning ved hj\u00e6lp af tyngdekraft<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>I gravitationsst\u00f8bningsprocessen afk\u00f8ler metalarbejderne st\u00f8begodset ved hj\u00e6lp af naturlig konvektion. Til dette form\u00e5l skaber de k\u00f8lehastigheder p\u00e5 1-10 \u00b0C\/s.<\/p>\n<p>Der opst\u00e5r grove dendritter, som ogs\u00e5 s\u00e6nker tr\u00e6kstyrken sammenlignet med trykst\u00f8bte genstande. Dette bevirker dog, at duktiliteten bevares og endda forbedres.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"C_Sand_Casting\"><\/span>C.  Sandst\u00f8bning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Den mest popul\u00e6re og nemmeste m\u00e5de at st\u00f8be p\u00e5 er sandst\u00f8bning. Det kr\u00e6ver mindre arbejde og bare f\u00e6rre vigtige trin at st\u00f8be zinkdele.<\/p>\n<p>Her h\u00e6lder producenterne smeltet zink i slibeformen og venter, til det er k\u00f8let ned. Derefter \u00e5bnes matricen for at fjerne den f\u00e6rdige del.<\/p>\n<p>Sandst\u00f8bning tager mange timer og afk\u00f8les langsomt omkring 0,1-1 \u00b0C\/s. Det er \u00e5rsagen til den store eutektiske fasedannelse. De st\u00f8rste fordele ved ZA27-sandst\u00f8bte dele er, at de har bedre termisk stabilitet end trykst\u00f8bning.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"D_Surface_Finishing\"><\/span>D.  Overfladebehandling<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Overfladen er meget vigtig for at forbedre legeringernes kvalitet og egenskaber. For eksempel stopper galvanisering (5-15 \u03bcm zink-nikkel) korrosion 5 gange bedre.<\/p>\n<p>Hvis man vil have et smukt udseende, er pulverlakering (50-80 \u03bcm) v\u00e6rdifuld. Det \u00f8ger ogs\u00e5 antallet af legeringer, der overlever 500+ timers saltt\u00e5getest som f.eks. <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.  Bearbejdning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Den blyfri sammens\u00e6tning af zinklegeringer som Zamak 3 giver 80% bedre bearbejdelighed end fritsk\u00e5ret messing. Det mindsker ogs\u00e5 overfladeruheden med 0,8-1,6 \u03bcm Ra.<\/p>\n<p>Men legeringer med h\u00f8jt kobberindhold, der indeholder slibende intermetalliske stoffer<strong>,<\/strong> som Zamak 2, har brug for h\u00e5rdmetalv\u00e6rkt\u00f8jer til bearbejdning.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"F_Recycling\"><\/span>F.   Genbrug<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zinklegeringer kan genbruges efter endt levetid, da de indeholder 100% genanvendelige egenskaber. De omsmeltes ved 420-450 \u00b0C. Du kan reducere forekomsten af slagger til &lt;2% af smeltev\u00e6gten ved at fokusere p\u00e5 korrekt fluxing. Legeringen kan ogs\u00e5 opretholde mekaniske egenskaber via 7+ omsmeltningscyklusser.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_Zinc_Alloys\"><\/span>Fordele ved zinklegeringer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Cost-Effectiveness\"><\/span>Omkostningseffektivitet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zinklegeringer kan spare op til 40-60% sammenlignet med aluminium eller rustfrit st\u00e5l til fremstilling af dele i kompakt st\u00f8rrelse. Det koster normalt 2,50-3,50\/kg mod 5-8\/kg for erstatninger.<\/p>\n<p>Udvalget af trykst\u00f8bningsmuligheder bringer ogs\u00e5 prisen mere ned. Men priserne varierer afh\u00e6ngigt af legeringstyper, projekter eller andre produktionsbehov.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Corrosion_Resistance_and_Durability\"><\/span>Korrosionsbestandighed og holdbarhed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak kan overleve over 500 timer i saltt\u00e5getest sammenlignet med bl\u00f8dt st\u00e5l (10x). For eksempel korroderer anvendelser af zink af marinekvalitet meget lidt, op til &lt;0,1 mm\/\u00e5r i <strong>kystn\u00e6re<\/strong> milj\u00f8er.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"High_Strength-to-Weight_Ratio\"><\/span>H\u00f8jt styrke-til-v\u00e6gt-forhold<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Med god tr\u00e6kstyrke giver delene af zinklegeringer en massefylde p\u00e5 6,6-7,1 g\/cm\u00b3. Det giver en sammenlignelig styrke. St\u00f8bejern har en massefylde p\u00e5 7,2 g\/cm\u00b3. Derfor har det en 20% lavere v\u00e6gt.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Damping_Capacity\"><\/span>D\u00e6mpningskapacitet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zink er nyttigt til fremstilling af biloph\u00e6ng og maskinf\u00f8dder. Det skyldes, at det kan d\u00e6mpe 30% flere vibrationer end alternativer som aluminium. De reducerer st\u00f8j med op til 15-20 dB.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Challenges_and_Limitations_of_Zinc_Alloys\"><\/span>Udfordringer og begr\u00e6nsninger ved zinklegeringer<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=\"Fejl i zinkst\u00f8bning\" 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>Korrosionsmekanismer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Disse legeringer kan have galvanisk korrosion, hvis der er \u00e6dlere metaller til stede, som f.eks. st\u00e5l. De kloridrige milj\u00f8er for\u00e5rsager grubet\u00e6ring (0,1-0,3 mm\/\u00e5r).<\/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=\"Korrosionsmekanisme i zinkst\u00f8bning\" 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>De legeringer, der best\u00e5r af mere aluminium, k\u00e6mper med intergranul\u00e6r korrosion over 60 \u00b0C.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"High-Temperature_Performance\"><\/span>Ydeevne ved h\u00f8je temperaturer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Disse legeringer mister styrke op til 40%, n\u00e5r de uds\u00e6ttes for 150 \u00b0C (Zamak) og 60% ved 200 \u00b0C (ZA-8). Mikrostrukturel grovhed, der opst\u00e5r p\u00e5 grund af termisk cykling, afviger dimensionsforskydning pr. 100 cyklusser.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Toxicity_Concerns\"><\/span>Bekymringer om toksicitet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Uds\u00e6ttelse for zinkdampe resulterer i metaldampfeber. OSHA-ventilation er ogs\u00e5 vigtig for cadmiumspor. Der er behov for personlige v\u00e6rnemidler med P100-filtre og r\u00f8gudsugning, n\u00e5r man smelter zink.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Creep_Resistance\"><\/span>Modstand mod krybning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>I ZA-27 n\u00e5r krybestr\u00e6kningen op p\u00e5 0,5% ved 50 mpa efter 1000 timer. De fleste af de komplekse designs reducerer sp\u00e6ndingen til flydesp\u00e6nding. De bruger ribbeforst\u00e6rkning til at h\u00e5ndtere deformation.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Konklusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Zinklegeringer spiller en meget vigtig rolle i fremstillingen af forskellige applikationer. Det er omkostningseffektivt, men giver fremragende st\u00f8bbarhed og korrosionsbestandighed. Ligesom andre metaller har de visse begr\u00e6nsninger, men de er alsidige og genanvendelige. S\u00f8rg for udholdenhed p\u00e5 tv\u00e6rs af forskellige industrisektorer med det metal, du v\u00e6lger.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Udforsk st\u00f8bte zinklegeringer: Zamak, ZA, AcuZinc og meget mere. Forst\u00e5 deres unikke egenskaber, fordele, begr\u00e6nsninger og fremstillingsteknikker som trykst\u00f8bning. <\/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\/da\/wp-json\/wp\/v2\/posts\/18252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/comments?post=18252"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/posts\/18252\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/media\/18259"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/media?parent=18252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/categories?post=18252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/da\/wp-json\/wp\/v2\/tags?post=18252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}