{"id":18075,"date":"2025-02-23T13:24:37","date_gmt":"2025-02-23T13:24:37","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=18075"},"modified":"2025-02-23T13:24:37","modified_gmt":"2025-02-23T13:24:37","slug":"diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/","title":{"rendered":"Diferen\u021ba dintre aluminiul turnat \u0219i aluminiul extrudat"},"content":{"rendered":"<p>Aluminiul turnat \u0219i aluminiul extrudat sunt tipuri de aluminiu fabricate \u00een moduri diferite. \u00cen cazul aluminiului turnat, se toarn\u0103 metal topit \u00eentr-o matri\u021b\u0103 pentru a crea o form\u0103. Aluminiul extrudat este fabricat prin \u00eempingerea aluminiului printr-o gaur\u0103 pentru a crea forme precum tuburile. Aluminiul extrudat este de obicei mai rezistent \u0219i are o suprafa\u021b\u0103 mai neted\u0103. Aluminiul turnat poate face forme mai complicate, dar cel extrudat este adesea mai ieftin pentru forme simple<\/p>\n<p>Pentru a selecta materialul potrivit pentru aplica\u021bii specifice, \u00een\u021belegerea diferen\u021belor dintre aluminiul turnat \u0219i cel extrudat este important\u0103. Citi\u021bi acest articol pentru a explora metodele lor specifice, aplica\u021biile, avantajele \u0219i dezavantajele, limit\u0103rile etc.<\/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\">Tabla de con\u021binut<\/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=\"Toggle Tabelul de con\u021binut\"><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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#What_is_Cast_Aluminum\" >Ce este aluminiul turnat?<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Common_Aluminum_Alloys\" >Aliaje comune de aluminiu<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#A380_Alloy\" >Aliaj A380<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#A356-T6_Alloy\" >Aliaj A356-T6<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#319_Alloy\" >Aliaj 319<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Casting_Processes\" >Procese de turnare<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#High-Pressure_Die_Casting\" >Turnare sub presiune de \u00eenalt\u0103 presiune (High-Pressure Die Casting)<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Low-Pressure_Die_Casting\" >Turnare sub presiune joas\u0103<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Sand_Casting\" >Sand Casting<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Other_Methods\" >Alte metode:<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Microstructure_and_Solidification\" >Microstructura \u0219i solidificarea<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#What_is_Extruded_Aluminum\" >Ce este aluminiul extrudat?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Common_Alloys\" >Aliaje comune<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#6061_Alloys\" >6061 Aliaje:<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#6063_Alloys\" >6063 Aliaje:<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Heat_Treatment\" >Tratament termic<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Extrusion_Process_In_direct_extrusion\" >Procesul de extrudare \u00cen extrudarea direct\u0103:<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#In_indirect_extrusion\" >\u00cen extrudarea indirect\u0103:<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Press_Types\" >Tipuri de pres\u0103<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Types_of_Extrusion\" >Tipuri de extrudare<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Hot_extrusion\" >Extrudare la cald:<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Cold_extrusion\" >Extrudare la rece:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Key_Differences_Between_Cast_and_Extruded_Aluminum\" >Principalele diferen\u021be dintre aluminiul turnat \u0219i cel extrudat<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#1_Mechanical_Properties\" >1.   Propriet\u0103\u021bi mecanice<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Strength\" >Putere:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Ductility\" >Ductilitate<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Hardness\" >Duritate<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Fatigue_Resistance\" >Rezisten\u021ba la oboseal\u0103<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#2_Microstructure_Comparison\" >2.   Compararea microstructurii<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#3_Tolerances\" >3.   Toleran\u021be<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#4_Design_Considerations\" >4.   Considera\u021bii privind proiectarea<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#5_Joining_Methods\" >5.   Metode de \u00eembinare<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Advantages_and_Disadvantages_of_Cast_Aluminum\" >Avantaje \u0219i dezavantaje ale aluminiului turnat<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Advantages\" >Avantaje<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Disadvantages\" >Dezavantaje<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Advantages_and_Disadvantages_of_Extruded_Aluminum\" >Avantaje \u0219i dezavantaje ale aluminiului extrudat<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Advantages-2\" >Avantaje<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Disadvantages-2\" >Dezavantaje<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Applications_and_Industries\" >Aplica\u021bii \u0219i industrii<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Specific_Examples\" >Exemple specifice<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Electric_Vehicles_EVs\" >Vehicule electrice (EV)<\/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\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Additive_Manufacturing\" >Fabricarea aditiv\u0103<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/aludiecasting.com\/ro\/diferenta-dintre-aluminiu-turnat-si-aluminiu-extrudat\/#Conclusion\" >Concluzie:<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Cast_Aluminum\"><\/span>Ce este aluminiul turnat?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Turn\u0103torii sub presiune realizeaz\u0103 piese turnate din aluminiu folosind aliaje de aluminiu topite. Ei injecteaz\u0103 aceast\u0103 form\u0103 lichid\u0103 apoi \u00een matri\u021ba profilului produsului. Aceste piese sunt u\u0219oare \u0219i durabile deoarece turnarea sub presiune le face astfel. Aluminiul turnat poate fi utilizat \u00een ma\u0219ini, avioane, utilaje \u0219i obiecte de uz zilnic.<\/p>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-10.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18081 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-10-1024x536.png\" alt=\"diagrama procesului de turnare a aluminiului\" width=\"1024\" height=\"536\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-10-1024x536.png 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-10-980x513.png 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-10-480x251.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Common_Aluminum_Alloys\"><\/span>Aliaje comune de aluminiu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/aluminum-casting-alloys-properties.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18076 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/aluminum-casting-alloys-properties-1024x1024.jpg\" alt=\"turnare aliaje de aluminiu propriet\u0103\u021bi \" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/aluminum-casting-alloys-properties-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/aluminum-casting-alloys-properties-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/aluminum-casting-alloys-properties-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"A380_Alloy\"><\/span>Aliaj A380<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Exist\u0103 deja aproximativ 8,5% siliciu \u0219i 3,5% cupru prezente \u00een aliajul A380. Acestea exist\u0103 pentru a oferi o bun\u0103 conductivitate electric\u0103 \u0219i o densitate mai mic\u0103 de 2,71 g\/cm\u00b3. Fluiditatea sa este excelent\u0103. Ele ofer\u0103 o bun\u0103 capacitate de turnare pentru a realiza piese cu pere\u021bi sub\u021biri \u0219i suporturi de motor \u00een turnarea sub presiune \u00eenalt\u0103.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"A356-T6_Alloy\"><\/span>Aliaj A356-T6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Acest aliaj are aproximativ 7% siliciu \u0219i 0,3% magneziu. Piesele au o rezisten\u021b\u0103 mai bun\u0103, ating\u00e2nd o rezisten\u021b\u0103 la trac\u021biune de 310 MPa atunci c\u00e2nd primesc tratamentul termic adecvat. Aceste aliaje au o conductivitate bun\u0103. Produc\u0103torii \u00eel folosesc \u00een principal pentru ro\u021bi de ma\u0219ini \u0219i piese aerospa\u021biale prin turnare \u00een nisip.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"319_Alloy\"><\/span>Aliaj 319<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00cen general, aproximativ 6% din acest metal este siliciu \u0219i 3,5% cupru. Acest aliaj este mult mai greu dec\u00e2t altele. Ofer\u0103 o conductivitate excelent\u0103 \u0219i are o densitate de 2,76 g\/cm\u00b3. Acest lucru \u00eel face util pentru blocurile motorului unde rezisten\u021ba la c\u0103ldur\u0103 este important\u0103.<\/p>\n<table class=\"x1mwwwfo x1gukg7c x1n2onr6 x140o2bo x1bl4301\">\n<thead>\n<tr>\n<th class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xljulmy x7wzq59 x13vifvy xpeg176 x1b1u5bx x95da8x x18qtup9 xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>Aliaj<\/b><\/th>\n<th class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xljulmy x7wzq59 x13vifvy xpeg176 x1b1u5bx x95da8x x18qtup9 xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>Compozi\u021bie<\/b><\/th>\n<th class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xljulmy x7wzq59 x13vifvy xpeg176 x1b1u5bx x95da8x x18qtup9 xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>Densitate (g\/cm\u00b3)<\/b><\/th>\n<th class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xljulmy x7wzq59 x13vifvy xpeg176 x1b1u5bx x95da8x x18qtup9 xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>Rezisten\u021ba la trac\u021biune (MPa)<\/b><\/th>\n<th class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xljulmy x7wzq59 x13vifvy xpeg176 x1b1u5bx x95da8x x18qtup9 xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>Conductivitate<\/b><\/th>\n<th class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xljulmy x7wzq59 x13vifvy xpeg176 x1b1u5bx x95da8x x18qtup9 xz9dl7a xn6708d xsag5q8 x1ye3gou\"><\/th>\n<th class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xljulmy x7wzq59 x13vifvy xpeg176 x1b1u5bx x95da8x x18qtup9 xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>Metoda de turnare<\/b><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>A380<\/b><\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">8,5% Si, 3,5% Cu<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">2.71<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">-<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">Excelent\u0103<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\"><\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">Turnare sub presiune \u00eenalt\u0103<\/td>\n<\/tr>\n<tr>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>A356-T6<\/b><\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">7% Si, 0,3% Mg<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">-<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">310<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">Bun<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\"><\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">Turnare \u00een nisip<\/td>\n<\/tr>\n<tr>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\"><b>319<\/b><\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">6% Si, 3.5% Cu<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">2.76<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">-<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">Excelent\u0103<\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\"><\/td>\n<td class=\"x8cjs6t x1ch86jh x80vd3b xckqwgs x13fuv20 xu3j5b3 x1q0q8m5 x26u7qi x178xt8z xm81vs4 xso031l xy80clv x1mzt3pk xt4736n x1havqas x1f0sm9e x12qp5cl xz9dl7a xn6708d xsag5q8 x1ye3gou\">-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Casting_Processes\"><\/span>Procese de turnare<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"High-Pressure_Die_Casting\"><\/span>Turnare sub presiune de \u00eenalt\u0103 presiune (High-Pressure Die Casting)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Procesul prin care produc\u0103torii toarn\u0103 aluminiu topit \u00eentr-o matri\u021b\u0103 de o\u021bel la 10-175 MPa este turnarea sub presiune \u00eenalt\u0103. Aceast\u0103 tehnic\u0103 func\u021bioneaz\u0103 mai rapid \u0219i produce piese \u00een 30 de secunde. Este cea mai potrivit\u0103 pentru piese foarte detaliate, cum ar fi carcasele cutiilor de viteze.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Low-Pressure_Die_Casting\"><\/span>Turnare sub presiune joas\u0103<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Acest proces \u00eempinge metalul \u00een matri\u021b\u0103 la 20-100 kPa, ceea ce \u00eenseamn\u0103 la o presiune mai mic\u0103. Procesarea lent\u0103 ca aceasta face mai pu\u021bine bule de aer care reduc defectele. Exemplele lor pot fi ro\u021bile din aluminiu care con\u021bin o rezisten\u021b\u0103 \u00eembun\u0103t\u0103\u021bit\u0103.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sand_Casting\"><\/span>Sand Casting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Produc\u0103torul toarn\u0103 metal topit \u00een matri\u021be de nisip. Acest proces dureaz\u0103 de fapt ore pe pies\u0103. Cu toate acestea, piesele detaliate, cum ar fi carcasele pompelor, pot trece prin acest proces.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Other_Methods\"><\/span>Alte metode:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cel mai utilizat proces nu este doar turnarea sub presiune sau turnarea cu nisip. Acesta include, de asemenea <a href=\"https:\/\/en.wikipedia.org\/wiki\/Investment_casting\" target=\"_blank\" rel=\"noopener\">turnare de investi\u021bii<\/a> \u0219i turnarea \u00een matri\u021b\u0103 permanent\u0103. \u00cen cazul turn\u0103rii pentru investi\u021bii, produc\u0103torii folosesc modele din cear\u0103. Dar pentru turnarea cu matri\u021b\u0103 permanent\u0103, ei folosesc o matri\u021b\u0103 din o\u021bel reutilizabil\u0103. Aceste tehnici sunt cele care pot realiza piese declarate de dimensiuni medii, cum ar fi vasele de g\u0103tit.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Microstructure_and_Solidification\"><\/span>Microstructura \u0219i solidificarea<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>De fiecare dat\u0103 c\u00e2nd aluminiul se r\u0103ce\u0219te, apar cristale mici (nucleare) \u0219i cre\u0219terea granulelor. Aceasta \u00eenseamn\u0103 c\u0103 temperaturile de r\u0103cire sunt cele care le pot afecta. Aceasta deoarece r\u0103cirea rapid\u0103 \u00een turnarea sub presiune produce granule foarte mici \u0219i rezistente. \u00cen acela\u0219i timp, r\u0103cirea lent\u0103 produce granule mari \u0219i mai pu\u021bin durabile. \u00cen plus, rezisten\u021ba la uzur\u0103 \u00een aliaje precum A380 datorit\u0103 particulelor de siliciu \u0219i a tratamentului termic \u00een 356-T6 reduce de fapt zonele fragile.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Extruded_Aluminum\"><\/span>Ce este aluminiul extrudat?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Produc\u0103torii folosesc matri\u021be profilate pentru a aplica for\u021b\u0103 aliajelor de aluminiu \u00eenc\u0103lzite. Acest metal cap\u0103t\u0103 apoi forme profilate care sunt de obicei lungi, de exemplu, tije, tuburi sau grinzi. Piesele din aluminiu extrudat sunt utilizate pe scar\u0103 larg\u0103 \u00een construc\u021bii, automobile \u0219i bunuri de consum. Dar ra\u021bionamentul lor este c\u0103 sunt u\u0219oare, puternice \u0219i accesibile.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Common_Alloys\"><\/span>Aliaje comune<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"6061_Alloys\"><\/span>6061 Aliaje:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Aliajul 6061 include 1,0% magneziu \u0219i 0,6% siliciu. Aceste particule \u00eei confer\u0103 o rezisten\u021b\u0103 ridicat\u0103 (310 MPa la trac\u021biune) \u0219i o sudabilitate excelent\u0103. Func\u021bioneaz\u0103 bine pentru piesele structurale \u0219i cele supuse unor solicit\u0103ri intense, cum ar fi cadrele de camioane \u0219i componentele de biciclete.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6063_Alloys\"><\/span>6063 Aliaje:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00cen aliajele 6063 exist\u0103 0,7% magneziu \u0219i 0,4% siliciu. Acesta opre\u0219te coroziunea \u0219i ofer\u0103 un finisaj fin al suprafe\u021bei. Acesta este motivul pentru care este cel mai bun pentru profile decorative \u0219i arhitecturale, cum ar fi ramele ferestrelor \u0219i \u0219inele u\u0219ilor.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Heat_Treatment\"><\/span>Tratament termic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Propriet\u0103\u021bile aluminiului extrudat se \u00eembun\u0103t\u0103\u021besc atunci c\u00e2nd produc\u0103torii le supun unor tratamente termice, cum ar fi temperarea T5 sau T6.<\/p>\n<p>\u00cen cazul temper\u0103rii T5, piesa extrudat\u0103 este r\u0103cit\u0103 cu aer. Aceasta cre\u0219te rezisten\u021ba piesei cu posibilitatea de 20-30%.<\/p>\n<p>Revenirea T6 include un tratament \u00een solu\u021bie la 530\u00b0C. Acesta este urmat de o \u00eemb\u0103tr\u00e2nire artificial\u0103. Ca urmare, piesele devin mult mai dure \u0219i mai rezistente. De exemplu, pute\u021bi utiliza 6061-T6 pentru aplica\u021bii structurale, echilibr\u00e2nd ductilitatea \u0219i rezisten\u021ba sa optime.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Extrusion_Process_In_direct_extrusion\"><\/span>Procesul de extrudare \u00cen extrudarea direct\u0103:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/extrusion-process.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18077 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/extrusion-process-1024x1024.jpg\" alt=\"procesul de extrudare \u00een turnarea sub presiune\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/extrusion-process-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/extrusion-process-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/extrusion-process-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>Produc\u0103torii folosesc un piston hidraulic pentru a \u00eempinge lingoul printr-o matri\u021b\u0103 sta\u021bionar\u0103, ceea ce se nume\u0219te extrudare direct\u0103. Acest tip de proces func\u021bioneaz\u0103 eficient, dar necesit\u0103 mai mult\u0103 energie doar din cauza frec\u0103rii.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"In_indirect_extrusion\"><\/span>\u00cen extrudarea indirect\u0103:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00cen timpul extrud\u0103rii indirecte, aceasta men\u021bine lingoul sta\u021bionar \u00een timp ce matri\u021ba se deplaseaz\u0103 spre el. Acesta este motivul pentru care se nume\u0219te \u0219i tehnica invers\u0103 sau \u00eenapoi. Aceasta reduce frecarea \u0219i consumul de energie cu p\u00e2n\u0103 la 10-30%. Aceast\u0103 tehnic\u0103 produce perfect piese precise, cum ar fi tuburile.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Press_Types\"><\/span>Tipuri de pres\u0103<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Dintre op\u021biunile disponibile, presele hidraulice ofer\u0103 o for\u021b\u0103 mare (p\u00e2n\u0103 la 100 MN) pentru profile mari. \u00centre timp, presele mecanice lucreaz\u0103 rapid (p\u00e2n\u0103 la 60 de curse\/minut). Sunt potrivite pentru piese mici.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Types_of_Extrusion\"><\/span>Tipuri de extrudare<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-9.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18079 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-9-1024x536.jpg\" alt=\"diagram\u0103 extrudare la cald vs extrudare la rece\" width=\"1024\" height=\"536\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-9-1024x536.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-9-980x513.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/Gray-Orange-Grunge-Vegetarian-Pizza-Facebook-Ad-9-480x251.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hot_extrusion\"><\/span>Extrudare la cald:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Extrudarea la cald are loc la 350-500\u00b0C. Aceasta utilizeaz\u0103 c\u0103ldur\u0103 \u0219i presiune. Acest proces ajut\u0103 de fapt la realizarea de piese solide sau goale prin sec\u021biuni transversale fixe. De exemplu, grinzi I sau \u0219asiuri auto.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cold_extrusion\"><\/span>Extrudare la rece:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Extrudarea la rece merge p\u00e2n\u0103 la 120\u00b0C \u0219i are loc \u0219i la temperatura camerei (20-25\u00b0C). \u00cen acest proces, produc\u0103torul nu \u00eenc\u0103lze\u0219te aluminiul \u0219i nu \u00eel for\u021beaz\u0103 s\u0103 moar\u0103. Acesta produce piese cu toleran\u021be foarte str\u00e2nse de p\u00e2n\u0103 la \u00b10,02 mm-\u00b10,05 mm \u0219i reduce oxidarea. Care, prin urmare, este ideal pentru producerea de elemente de fixare, conectori electrici \u0219i piese declarate.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Key_Differences_Between_Cast_and_Extruded_Aluminum\"><\/span>Principalele diferen\u021be dintre aluminiul turnat \u0219i cel extrudat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Mechanical_Properties\"><\/span>1.   Propriet\u0103\u021bi mecanice<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Procesele de fabrica\u021bie au un impact asupra varia\u021biilor caracteristicilor mecanice ale aluminiului turnat \u0219i extrudat.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Strength\"><\/span>Putere:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00cen general, artele extrudate ofer\u0103 o rezisten\u021b\u0103 la trac\u021biune mai mare dec\u00e2t cele <a href=\"https:\/\/aludiecasting.com\/ro\/aluminiu-turnat-sub-presiune-3\/\">aluminiu turnat.<\/a> De exemplu, rezisten\u021ba la trac\u021biune a aluminiului turnat A356-T6 este de aproximativ 230-250 MPa. \u00centre timp, 6061-T6 extrudat are o rezisten\u021b\u0103 la trac\u021biune de p\u00e2n\u0103 la 310 MPa.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ductility\"><\/span>Ductilitate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Granula\u021bia rafinat\u0103 ob\u021binut\u0103 prin aluminiul extrudat \u00eel face mai ductil. \u00centre timp, boabele grosiere \u0219i fazele intermetalice sunt motive pentru fragilitatea aluminiului turnat.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hardness\"><\/span>Duritate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Duritatea depinde \u00een totalitate de aliajul \u0219i tratamentul termic pe care le alege\u021bi. Cu toate acestea, piesele extrudate tind s\u0103 aib\u0103 o duritate mai consistent\u0103. De exemplu, aluminiul turnat A380 are o duritate de aproximativ ~80 HB, dar piesele extrudate 6061-T6 au o duritate de 95 HB.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fatigue_Resistance\"><\/span>Rezisten\u021ba la oboseal\u0103<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/materials-15-07566-g001-550-ezgif.com-webp-to-jpg-converter.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18080 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/materials-15-07566-g001-550-ezgif.com-webp-to-jpg-converter.jpg\" alt=\"rezisten\u021b\u0103 la oboseal\u0103 aluminiu extrudat vs aluminiu turnat\" width=\"550\" height=\"298\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/materials-15-07566-g001-550-ezgif.com-webp-to-jpg-converter.jpg 550w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/materials-15-07566-g001-550-ezgif.com-webp-to-jpg-converter-480x260.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 550px, 100vw\" \/><\/a><\/p>\n<p>Structura granulometric\u0103 mai fin\u0103 a aluminiului extrudat \u00eei permite s\u0103 func\u021bioneze bine \u00een condi\u021bii de \u00eenc\u0103rcare ciclic\u0103. \u00cen schimb, aluminiul turnat prezint\u0103 o rezisten\u021b\u0103 mai sc\u0103zut\u0103 la oboseal\u0103. Acest lucru se datoreaz\u0103 structurii sale poroase. Cumva, o pute\u021bi \u00eembun\u0103t\u0103\u021bi folosind un tratament termic adecvat \u0219i aliaje mai bune.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Microstructure_Comparison\"><\/span>2.   Compararea microstructurii<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cast-vs-extruded.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18078 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cast-vs-extruded-1024x1024.jpg\" alt=\"aluminiu turnat vs aluminiu extrudat\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cast-vs-extruded-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cast-vs-extruded-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cast-vs-extruded-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>Microstructura aluminiului turnat prezint\u0103 granule grosiere (cuprinse \u00eentre 50-200 \u00b5m) \u0219i faze intermetalice grupate. Acesta este motivul care a dus la apari\u021bia fragilit\u0103\u021bii \u0219i la reducerea performan\u021belor mecanice.<\/p>\n<p>Pe de alt\u0103 parte, procesul de extrudare rafineaz\u0103 structura granulelor p\u00e2n\u0103 la 10-50 \u00b5m. Acest lucru se datoreaz\u0103 faptului c\u0103 rupe intermetalicele \u0219i aliniaz\u0103 gr\u0103un\u021bii.<\/p>\n<p>De exemplu, imaginea contrasteaz\u0103 ambele p\u0103r\u021bi ale microstructurilor. \u00cen cazul \u00een care structura turnat\u0103 prezint\u0103 granule grosiere.<\/p>\n<p>Partea extrudat\u0103 (a-f) demonstreaz\u0103 cum se rafineaz\u0103 structura granulelor, ceea ce duce la o performan\u021b\u0103 mai bun\u0103.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Tolerances\"><\/span>3.   Toleran\u021be<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e2nd are loc expansiunea matri\u021bei \u0219i contrac\u021bia solidific\u0103rii, toleran\u021bele aluminiului turnat devin mai mici (\u00b1 0,5 mm sau mai mult).<\/p>\n<p>Toleran\u021bele mai str\u00e2nse (\u00b10,1 mm) \u00een aluminiul extrudat sunt realizabile. Acest lucru se datoreaz\u0103 utiliz\u0103rii unei matri\u021be de precizie pentru for\u021barea metalului. Acest lucru \u00eenseamn\u0103 c\u0103 modelele matri\u021belor \u0219i precizia presei pot cauza modific\u0103ri ale toleran\u021belor.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Design_Considerations\"><\/span>4.   Considera\u021bii privind proiectarea<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Turnarea aluminiului este utilizat\u0103 \u00een principal pentru realizarea de forme foarte detaliate cu cavit\u0103\u021bi interne. De exemplu, blocuri motor sau carcase de pompe. Dar cumva, nu este potrivit pentru profile cu pere\u021bi sub\u021biri sau lungi.<\/p>\n<p>Tehnica de extrudare produce cele mai bune piese lungi \u0219i profile uniforme cu sec\u021biuni transversale constante. De exemplu, grinzi sau tuburi. \u00cen plus, aceste piese pot prelua \u0219i cerin\u021be de proiectare specifice.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Joining_Methods\"><\/span>5.   Metode de \u00eembinare<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Produc\u0103torii pot \u00eembina at\u00e2t aluminiul turnat, c\u00e2t \u0219i cel extrudat. Pentru aceasta, ei folosesc tehnici precum sudarea, fixarea cu \u0219uruburi sau lipirea prin adeziv.<\/p>\n<p>Prin urmare, aluminiul turnat nu este u\u0219or de sudat. Motivul este prezen\u021ba porozit\u0103\u021bii, a fazelor intermetalice \u0219i, de asemenea, con\u021binutul ridicat de siliciu \u00een unele aliaje (de exemplu, A380. Acest lucru poate provoca fisuri.<\/p>\n<p>Piesele din aluminiu extrudat sunt mult mai u\u0219or de sudat \u0219i de prelucrat. Acestea con\u021bin o structur\u0103 uniform\u0103. Prin urmare, acest lucru le face mai versatile pentru asamblare.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_and_Disadvantages_of_Cast_Aluminum\"><\/span>Avantaje \u0219i dezavantaje ale aluminiului turnat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Advantages\"><\/span>Avantaje<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Acesta v\u0103 permite s\u0103 realiza\u021bi forme foarte detaliate \u0219i complexe cu cavit\u0103\u021bi interne. De exemplu, capete de cilindri, carcase de transmisie sau carcase de pompe.<\/li>\n<li>Aliajele de aluminiu turnat, cum ar fi A356-T6, ofer\u0103 o rezisten\u021b\u0103 mare la trac\u021biune, fiind \u00een acela\u0219i timp mai pu\u021bin grele dec\u00e2t media.<\/li>\n<li>Aceste piese sunt accesibile dac\u0103 sunt produse \u00een vrac.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Disadvantages\"><\/span>Dezavantaje<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Gazul blocat sau contrac\u021bia \u00een timpul solidific\u0103rii va face ca celelalte piese s\u0103 \u00ee\u0219i piard\u0103 rezisten\u021ba \u0219i rezisten\u021ba la oboseal\u0103. Dar aceast\u0103 problem\u0103 poate fi rezolvat\u0103 folosind turnarea \u00een vid sau agen\u021bi de degazare.<\/li>\n<li>At\u00e2t contrac\u021bia lichid\u0103, c\u00e2t \u0219i cea solid\u0103 determin\u0103 spargerea sau fisurarea pieselor. Folosi\u021bi un design adecvat al matri\u021bei \u0219i r\u0103cirea controlat\u0103 pentru a aborda aceast\u0103 problem\u0103.<\/li>\n<li>Aluminiul turnat are o toleran\u021b\u0103 mai slab\u0103 \u00een compara\u021bie cu extrudarea.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_and_Disadvantages_of_Extruded_Aluminum\"><\/span>Avantaje \u0219i dezavantaje ale aluminiului extrudat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Advantages-2\"><\/span>Avantaje<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Aluminiul extrudat ofer\u0103 finisaje excelente. Piesa dup\u0103 ce a fost supus\u0103 unui finisaj de frezare pentru a fi anodizat\u0103 sau acoperit\u0103 cu pulbere va fi mai puternic\u0103. Acestea con\u021bin o rezisten\u021b\u0103 \u00eembun\u0103t\u0103\u021bit\u0103 la coroziune \u0219i durabilitate.<\/li>\n<li>Pute\u021bi ob\u021bine toleran\u021be mai str\u00e2nse folosind matri\u021be de precizie.<\/li>\n<li>Aceste piese sunt rentabile la volume mari.<\/li>\n<li>Ideal pentru profile lungi, invariabile, cum ar fi \u0219inele de scar\u0103 sau tuburile cu mai multe goluri.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Disadvantages-2\"><\/span>Dezavantaje<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Aceste piese sunt limitate la forme simple \u0219i nu func\u021bioneaz\u0103 bine pentru modele complexe.<\/li>\n<li>Ave\u021bi nevoie de matri\u021be speciale pentru realizarea profilelor goale sau cu mai multe canale.<\/li>\n<li>Extrusionarea nu este potrivit\u0103 pentru piese cu sec\u021biuni transversale multiple sau caracteristici interne complexe.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications_and_Industries\"><\/span>Aplica\u021bii \u0219i industrii<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Specific_Examples\"><\/span>Exemple specifice<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00cen general, aluminiul turnat este utilizat pentru aplica\u021bii auto. Piesele includ blocuri motor, carcase de transmisie \u0219i butuci de ro\u021bi.<\/p>\n<p>Imaginea dat\u0103 arat\u0103 designul matri\u021bei blocului motor. Aceasta eviden\u021biaz\u0103 componentele cheie. De exemplu, un sistem de \u00eenchidere (c\u0103i de trecere a metalului topit), rev\u0103rs\u0103ri (colecteaz\u0103 materialul \u00een exces), linii de vid (elimin\u0103 aerul) \u0219i turnarea final\u0103 a blocului cilindrilor.<\/p>\n<p>\u00centre timp, produc\u0103torii folosesc aluminiu extrudat pentru rame de ferestre, \u0219ine de u\u0219i \u0219i grinzi structurale. \u00cen transporturi, \u00eel folosesc pentru caroserii de vagoane, cadre de camioane \u0219i componente de biciclete.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Electric_Vehicles_EVs\"><\/span>Vehicule electrice (EV)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Utilizarea at\u00e2t a aluminiului turnat, c\u00e2t \u0219i a aluminiului extrudat \u00een vehiculele electrice le face mai populare. Astfel, produc\u0103torii folosesc aluminiu turnat pentru carcasele bateriilor \u0219i ale motoarelor. \u00cen schimb, aluminiul extrudat produce \u0219asiuri u\u0219oare \u0219i componente structurale.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Additive_Manufacturing\"><\/span>Fabricarea aditiv\u0103<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Integrarea imprim\u0103rii 3D \u00een aluminiu turnat \u00eei permite s\u0103 gestioneze forme mai dificile. Acestea faciliteaz\u0103 realizarea de piese u\u0219oare pentru industria aerospa\u021bial\u0103 \u0219i medical\u0103.<\/p>\n<p>\u00cen plus, modelele inovatoare devin posibile cu ajutorul tehnicilor aditive pentru aluminiul extrudat. Acest lucru face ca aceste piese s\u0103 poat\u0103 fi utilizate \u00een procese de fabrica\u021bie hibride.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Concluzie:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Aluminiul turnat \u0219i cel extrudat nu con\u021bin o asem\u0103nare. Rezisten\u021ba, microstructura, toleran\u021ba \u0219i nivelurile lor de proiectare sunt diferite. Dac\u0103 le alege\u021bi la \u00eent\u00e2mplare, asta \u00eenseamn\u0103 c\u0103 selec\u021bia poate ruina \u00eentregul proiect. A\u0219adar, alege\u021bi cu \u00een\u021belepciune materialul \u0219i procesul de fabrica\u021bie potrivite \u00een func\u021bie de nevoile aplica\u021biei.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cast aluminum and extruded aluminum are types of aluminum made in different ways. In cast aluminum, you pour melted metal into a mold to make a shape. Extruded aluminum is made by pushing aluminum through a hole to create shapes like tubes. Extruded aluminum is usually stronger and has a smoother surface. Cast aluminum can [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":18082,"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":[1],"tags":[],"class_list":["post-18075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aluminium-alloy-castings"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/posts\/18075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/comments?post=18075"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/posts\/18075\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/media\/18082"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/media?parent=18075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/categories?post=18075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/tags?post=18075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}