{"id":18187,"date":"2025-03-16T05:01:27","date_gmt":"2025-03-16T05:01:27","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=18187"},"modified":"2025-03-16T05:01:27","modified_gmt":"2025-03-16T05:01:27","slug":"gjutbara-aluminiumlegeringar","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/sv\/gjutbara-aluminiumlegeringar\/","title":{"rendered":"Gjutbara aluminiumlegeringar: F\u00f6rklaring av sammans\u00e4ttning, egenskaper och till\u00e4mpningar"},"content":{"rendered":"<p>Gjutbara aluminiumlegeringar har olika mekaniska egenskaper. Vanliga typer \u00e4r A356, A357 och A380. V\u00e4rmebehandlingar som T6 f\u00f6rb\u00e4ttrar h\u00e5llfastheten. De anv\u00e4nds inom fordons-, flyg- och allm\u00e4n verkstadsindustri. Viktiga egenskaper \u00e4r dragh\u00e5llfasthet, t\u00f6jning och h\u00e5rdhet. Valet av legering beror p\u00e5 applikationens behov.<\/p>\n<p>I den h\u00e4r artikeln f\u00e5r du grundl\u00e4ggande kunskaper om olika typer av gjutbara aluminiumlegeringar.<\/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\">Inneh\u00e5llsf\u00f6rteckning<\/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 Inneh\u00e5llsf\u00f6rteckning\"><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\/sv\/gjutbara-aluminiumlegeringar\/#Overview_of_Castable_Aluminum_Alloys\" >\u00d6versikt \u00f6ver gjutbara aluminiumlegeringar<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Definition_and_Importance\" >Definition och betydelse<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/aludiecasting.com\/sv\/gjutbara-aluminiumlegeringar\/#Composition_and_Properties_of_Castable_Aluminum_Alloys\" >Sammans\u00e4ttning och egenskaper hos gjutbara aluminiumlegeringar<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/aludiecasting.com\/sv\/gjutbara-aluminiumlegeringar\/#Alloy_Composition\" >Legeringens sammans\u00e4ttning<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Role_of_Trace_Elements\" >Sp\u00e5r\u00e4mnenas roll<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Microscopic_Structure_and_Composition\" >Mikroskopisk struktur och sammans\u00e4ttning<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Mechanical_and_Physical_Properties\" >Mekaniska och fysikaliska egenskaper<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Strength_and_Ductility\" >Styrka och formbarhet:<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Corrosion_Resistance\" >Motst\u00e5ndskraft mot korrosion<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Thermal_and_Electrical_Conductivity\" >Termisk och elektrisk konduktivitet<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Impact_of_Heat_Treatment\" >Inverkan av v\u00e4rmebehandling<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Common_Aluminum_Alloy_Grades\" >Vanliga kvaliteter p\u00e5 aluminiumlegeringar<\/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\/sv\/gjutbara-aluminiumlegeringar\/#A380\" >A380<\/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\/sv\/gjutbara-aluminiumlegeringar\/#A356\" >A356<\/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\/sv\/gjutbara-aluminiumlegeringar\/#6061\" >6061<\/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\/sv\/gjutbara-aluminiumlegeringar\/#ADC12\" >ADC12<\/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\/sv\/gjutbara-aluminiumlegeringar\/#LM25\" >LM25<\/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\/sv\/gjutbara-aluminiumlegeringar\/#LM6\" >LM6<\/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\/sv\/gjutbara-aluminiumlegeringar\/#5200\" >520.0<\/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\/sv\/gjutbara-aluminiumlegeringar\/#319\" >319<\/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\/sv\/gjutbara-aluminiumlegeringar\/#413\" >413<\/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\/sv\/gjutbara-aluminiumlegeringar\/#535\" >535<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Casting_Processes_for_Aluminum_Alloys\" >Gjutningsprocesser f\u00f6r aluminiumlegeringar<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Die_Casting\" >Pressgjutning<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Sand_Casting\" >Sandgjutning<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Investment_Casting\" >Investeringsgjutning<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/aludiecasting.com\/sv\/gjutbara-aluminiumlegeringar\/#Challenges_and_Solutions_in_Aluminum_Casting\" >Utmaningar och l\u00f6sningar inom aluminiumgjutning<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/aludiecasting.com\/sv\/gjutbara-aluminiumlegeringar\/#Casting_Defects\" >Defekter i gjutningen<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Alloy_Selection\" >Val av legering<\/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\/sv\/gjutbara-aluminiumlegeringar\/#Heat_Treatment_Challenges\" >Utmaningar vid v\u00e4rmebehandling<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/aludiecasting.com\/sv\/gjutbara-aluminiumlegeringar\/#Conclusion\" >Slutsats:<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Overview_of_Castable_Aluminum_Alloys\"><\/span>\u00d6versikt \u00f6ver gjutbara aluminiumlegeringar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Definition_and_Importance\"><\/span>Definition och betydelse<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Det finns m\u00e5nga legeringar f\u00f6r gjutning. N\u00e5gra av dessa \u00e4r aluminiumlegeringar. Aluminium inneh\u00e5ller en blandning av andra element (t.ex. magnesium eller kisel). Det producerar sina olika legeringar.<\/p>\n<p>Aluminium sm\u00e4lter vid temperaturer runt 660 \u00b0C. Den sm\u00e4lta formen matas sedan in i gjutformen f\u00f6r att f\u00e5 en profilform.<\/p>\n<p>P\u00e5 grund av sin l\u00e4gre vikt med en densitet p\u00e5 2,7 g\/cm\u00b3 \u00e4r dessa legeringar 3 g\u00e5nger l\u00e4ttare \u00e4n st\u00e5l. Det \u00e4r anledningen till att de l\u00e4mpar sig f\u00f6r m\u00e5nga olika till\u00e4mpningar. Till exempel bilar, flygplan och maskiner.<\/p>\n<p>De \u00e4r ocks\u00e5 korrosionsbest\u00e4ndiga och kan tillverkas i alla former samtidigt som de \u00e4r starka.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Composition_and_Properties_of_Castable_Aluminum_Alloys\"><\/span>Sammans\u00e4ttning och egenskaper hos gjutbara aluminiumlegeringar<span class=\"ez-toc-section-end\"><\/span><\/h2>\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\">Legeringsbeteckning<\/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\">Sammans\u00e4ttning (wt%)<\/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\">Densitet (g\/cm\u00b3)<\/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\">Dragh\u00e5llfasthet (MPa)<\/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\">Str\u00e4ckgr\u00e4ns (MPa)<\/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\">F\u00f6rl\u00e4ngning (%)<\/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\">Motst\u00e5ndskraft mot korrosion<\/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\">A356<\/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\">Al-7Si-0,3Mg<\/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\">2.68<\/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\">310-380<\/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\">180-220<\/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\">6-8<\/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\">Bra<\/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\">A357<\/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\">Al-7Si-0,5Mg<\/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\">2.68<\/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\">360-420<\/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\">240-280<\/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\">6-8<\/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\">Bra<\/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\">319<\/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\">Al-6Si-4Cu<\/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\">2.79<\/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\">240-300<\/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\">140-180<\/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\">2-4<\/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\">R\u00e4ttvist<\/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\">413<\/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\">Al-12Si-1Cu<\/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\">2.67<\/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\">230-280<\/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\">130-170<\/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\">2-4<\/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\">R\u00e4ttvist<\/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\">A413<\/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\">Al-12Si-1Cu-0,5Mg<\/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\">2.67<\/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\">260-310<\/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\">160-200<\/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\">2-4<\/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\">R\u00e4ttvist<\/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\">535<\/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\">Al-6Si-2Mg-0,5Cu<\/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\">2.65<\/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\">290-350<\/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\">180-230<\/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\">6-8<\/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\">Bra<\/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\">713<\/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\">Al-7Si-1Cu-0,5Mg<\/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\">2.72<\/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\">300-360<\/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\">200-250<\/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\">6-8<\/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\">Bra<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Alloy_Composition\"><\/span>Legeringens sammans\u00e4ttning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bildandet av gjutbara aluminiumlegeringar inkluderar sammans\u00e4ttningen av m\u00e5nga element. Aluminium kan t.ex. inneh\u00e5lla kisel (5-12%), magnesium (0,2-10%), koppar (1-4%) eller zink (1-3%).<\/p>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/output-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18189 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/output-1-1024x610.png\" alt=\"t\u00f6jning av gjutbara aluminiumlegeringar\" width=\"1024\" height=\"610\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/output-1-980x584.png 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/output-1-480x286.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<p>Kisel sm\u00e4lter vid 577\u00b0C, vilket g\u00f6r att det fyller formarna b\u00e4ttre. Samtidigt hj\u00e4lper magnesium till att f\u00e5 mer styrka eftersom det bildar fina utf\u00e4llningar. Koppar utvecklar h\u00e5rdhet.<\/p>\n<p>Till exempel finns det 8-10% kisel och 3-4% koppar i legeringen A380. Det \u00e4r d\u00e4rf\u00f6r de erbjuder h\u00f6g flytbarhet och sprider sig \u00f6ver formspalter s\u00e5 smala som 0,1 mm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Role_of_Trace_Elements\"><\/span>Sp\u00e5r\u00e4mnenas roll<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sm\u00e5 m\u00e4ngder av element som j\u00e4rn (&lt;1%) f\u00f6rhindrar att gjutformar fastnar och mangan (0,5%) f\u00f6rb\u00e4ttrar korrosionsbest\u00e4ndigheten.<\/p>\n<p>Gjutning av aluminiumlegeringar undviker att formen fastnar helt enkelt p\u00e5 grund av bidraget fr\u00e5n sm\u00e5 m\u00e4ngder sp\u00e5r\u00e4mnen som j\u00e4rn (&lt;1%).<\/p>\n<p>P\u00e5 samma s\u00e4tt motst\u00e5r de korrosion v\u00e4l och har mindre kornstorlekar p\u00e5 grund av mangan (0,5%) respektive titan (0,2%). Det minskar ocks\u00e5 sprickor som ett resultat.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Microscopic_Structure_and_Composition\"><\/span>Mikroskopisk struktur och sammans\u00e4ttning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/composition-of-castable-alloys.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18190 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/composition-of-castable-alloys-1024x1024.jpg\" alt=\"sammans\u00e4ttning av gjutbara aluminiumlegeringar\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/composition-of-castable-alloys-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/composition-of-castable-alloys-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/composition-of-castable-alloys-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>Den n\u00e4mnda bilden visar sammans\u00e4ttningens inverkan p\u00e5 kornstrukturen. Till exempel f\u00f6rekommer det grova kornet (50-100 \u00b5m brett) i gjutningens inledande fas.<\/p>\n<p>Kiselelement (10-20 \u00b5m) f\u00e5r h\u00f6g h\u00e5llfasthet och blockerar dislokationer. Under tiden bildas k\u00e4rnbildning vid en punkt med korngr\u00e4nser (GB). K\u00e4rnorna v\u00e4xer till matrisens tillst\u00e5nd under hela kylningen.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mechanical_and_Physical_Properties\"><\/span>Mekaniska och fysikaliska egenskaper<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/output.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18188 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/output-1024x611.png\" alt=\"dragh\u00e5llfasthetsdiagram gjutbara aluminiumlegeringar\" width=\"1024\" height=\"611\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/output-980x584.png 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/output-480x286.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=\"Strength_and_Ductility\"><\/span>Styrka och formbarhet:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gjutbara legeringar har dragh\u00e5llfastheter som varierar mellan 200 och 380 MPa. Till exempel f\u00e5r a356 280 MPa och \u00e4r t\u00f6jbart (10%) precis innan det g\u00e5r s\u00f6nder.<\/p>\n<p>P\u00e5 samma s\u00e4tt ger v\u00e4rmebehandling (t.ex. T6-anl\u00f6pning) 20% \u00f6kad h\u00e5llfasthet och 8% duktilitet i A356. Detta uppn\u00e5s genom att v\u00e4rma legeringarna till 500\u00b0C, sl\u00e4cka dem med vatten och l\u00e5ta dem \u00e5ldras vid 150\u00b0C i 5 timmar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Corrosion_Resistance\"><\/span>Motst\u00e5ndskraft mot korrosion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u00e4r en legering inneh\u00e5ller magnesium (t.ex. 520.0 med 10% Mg) f\u00e5r den ett skyddande oxidskikt. Det inneb\u00e4r att de kan motst\u00e5 korrosion under 15-20 \u00e5r i marina milj\u00f6er.<\/p>\n<p>I LM6 f\u00f6rhindrar sammans\u00e4ttningen med h\u00f6g kiselhalt korrosion i saltvatten. Som ett resultat forts\u00e4tter de att fungera vid 50 Mpa-tryck i undervattensprodukter.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thermal_and_Electrical_Conductivity\"><\/span>Termisk och elektrisk konduktivitet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Legeringar som 319 har 6% Si och 3% Cu. De leder allts\u00e5 v\u00e4rme med 150 W\/m-K. Det \u00e4r det som g\u00f6r dem till ett f\u00f6rstahandsval bland motorkomponenter.<\/p>\n<p>De har ocks\u00e5 en l\u00e5g densitet, som \u00e4r cirka 2,7 g\/cm\u00b3. Det f\u00f6rb\u00e4ttrar br\u00e4nsleeffektiviteten (10%) p\u00e5 grund av sin l\u00e4gre vikt, s\u00e4rskilt i bilar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Impact_of_Heat_Treatment\"><\/span>Inverkan av v\u00e4rmebehandling<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tillverkarna utf\u00f6r v\u00e4rmebehandling f\u00f6r att minska h\u00e5lrummen och f\u00f6rfina kornen. Exempelvis \u00f6kar \u00e5ldringssteget h\u00e5rdheten fr\u00e5n 80 HB till 95 HB i legeringar som ADC12.<\/p>\n<p>Dessutom orsakar omkristalliseringsprocessen (som sker i bilden) kornkrympning upp till 10-20 \u00b5m. Legeringen f\u00e5r allts\u00e5 \u00f6kad utmattningsh\u00e5llfasthet (30%) som ett resultat av detta.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Aluminum_Alloy_Grades\"><\/span>Vanliga kvaliteter p\u00e5 aluminiumlegeringar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"A380\"><\/span>A380<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Det finns 8-10% kisel, 3-4% koppar och mindre \u00e4n 1% j\u00e4rn n\u00e4rvarande i A380 gjutbar aluminiumlegering. Kiselpartikeln har en l\u00e4gre sm\u00e4ltpunkt. Detta inneb\u00e4r att de flyter smidigt i formar och fyller varje gap.<\/p>\n<p>H\u00e5rdheten \u00e4r b\u00e4ttre tack vare kopparelementen, vilket g\u00f6r dem idealiska f\u00f6r delar som uts\u00e4tts f\u00f6r h\u00f6ga p\u00e5frestningar. Det \u00e4r d\u00e4rf\u00f6r denna legering med 320 MPa skapar motorf\u00e4sten och elektroniska h\u00f6ljen.<\/p>\n<p>Den fyller ut luckor ordentligt och orsakar ocks\u00e5 f\u00e4rre defekter. Dessutom kyls denna legering snabbare, vilket resulterar i en minskad produktionstid p\u00e5 cirka 15%.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"A356\"><\/span>A356<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A356-legeringen har kisel- och magnesiuminneh\u00e5ll (7% respektive 0,3%). Det \u00e4r d\u00e4rf\u00f6r den ger b\u00e4ttre flytbarhet och h\u00e5llfasthet.<\/p>\n<p>Det finns ungef\u00e4r 280 MPa dragh\u00e5llfasthet i denna legering och 12% duktilitet. D\u00e4rf\u00f6r kan de str\u00e4cka sig upp s\u00e5 mycket som 12% innan de g\u00e5r s\u00f6nder.<\/p>\n<p>Du kan anv\u00e4nda legeringen a356 f\u00f6r att tillverka hjul f\u00f6r flygplan och bilar, upph\u00e4ngningsdelar, landningsst\u00e4ll f\u00f6r flygplan och vingramar.<\/p>\n<p>Den har ocks\u00e5 den unika egenskapen att den t\u00e5l temperaturer p\u00e5 200\u00b0C i 500 timmar. \u00c4ven vid denna temperatur spricker den inte l\u00e4tt.<\/p>\n<p>Efter v\u00e4rmebehandling har denna legering \u00f6kad h\u00e5llfasthet (20%). De \u00e4r d\u00e4rf\u00f6r idealiska att anv\u00e4nda i flyg- och rymdtill\u00e4mpningar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6061\"><\/span>6061<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>6061-legeringen best\u00e5r av 1% magnesium, 0,6% kisel och 0,3% koppar. Dessa element, som magnesium, \u00f6kar dess f\u00f6rm\u00e5ga att stoppa korrosion. Denna legering h\u00e5ller i 20 \u00e5r utomhus och rostar inte.<\/p>\n<p>L\u00e4s ocks\u00e5: <a href=\"https:\/\/aludiecasting.com\/sv\/6061-vs-6063-aluminiumlegeringar\/\">6061 vs 6063 aluminiumlegeringar<\/a><\/p>\n<p>6061-legeringens dragh\u00e5llfasthet (310 Mpa) g\u00f6r den anv\u00e4ndbar i broar, balkar och chassidelar som upph\u00e4ngningsarmar och marina ramar. Dess l\u00e5ga densitet bidrar ytterligare till att g\u00f6ra den 60% l\u00e4ttare \u00e4n st\u00e5l.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ADC12\"><\/span>ADC12<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ADC12-legeringen inneh\u00e5ller 10-20% kisel och 2-3% koppar och \u00e4r mycket popul\u00e4r. Kisel i denna metall m\u00f6jligg\u00f6r smidig gjutning, medan koppar h\u00f6jer dess h\u00e5rdhet.<\/p>\n<p>V\u00e4rmebehandling medf\u00f6r f\u00f6r\u00e4ndringar i h\u00e5rdheten, som \u00f6verstiger 95 HB <strong>(<\/strong>Brinell<strong>)<\/strong>. Denna legering anv\u00e4nds f\u00f6r att tillverka delar som bilmotorblock, smartphonehus och v\u00e4xell\u00e5dshus.<\/p>\n<p>Den kan ocks\u00e5 hantera komplexa profiler p\u00e5 30 sekunder, vilket ger en produktionsbesparing p\u00e5 upp till 25%.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"LM25\"><\/span>LM25<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>LM25-legeringen tillverkas genom att tills\u00e4tta 0,3% magnesium och 7% kisel. Dessutom n\u00e5r dess dragh\u00e5llfasthet 260 MPa vid 200 \u00b0C.  Den ger god gjutbarhet f\u00f6r tillverkning av pumphus, marina konstruktioner och hydraulventiler.<\/p>\n<p>Dess sandgjutna v\u00e4ggar \u00e4r s\u00e5 tunna som 1 mm; det \u00e4r det som \u00e4r dess unika egenskap. LM25 passar d\u00e4rf\u00f6r bra f\u00f6r produktion av l\u00e4ttviktskonstruktioner.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"LM6\"><\/span>LM6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>10-13% av kiselinneh\u00e5llet och mindre \u00e4n 0,1% av magnesium finns i LM6-legeringen. P\u00e5 grund av den h\u00f6gre m\u00e4ngden kisel korroderar denna legering inte l\u00e4tt. Den kan \u00f6verleva 50 MPa tryck i havsvatten.<\/p>\n<p>Tillverkarna anv\u00e4nder den f\u00f6r gjutning av b\u00e5tpropellrar och bryggbeslag. De h\u00e5ller i flera \u00e5r och fungerar i saltvatten utan att rosta. Det minskar ocks\u00e5 underh\u00e5llskostnaderna med upp till 40%.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5200\"><\/span>520.0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Den gjutbara aluminiumlegeringen 520.0 har 10% magnesium och 0,1% kisel. Denna sammans\u00e4ttning av grund\u00e4mnen \u00f6kar dragh\u00e5llfastheten (380 MPa) och minskar vikten med upp till 50%.<\/p>\n<p>Du kan anv\u00e4nda dem f\u00f6r att tillverka f\u00e4sten f\u00f6r rymdfarkoster, rakethus och milit\u00e4r utrustning. En annan egenskap \u00e4r att de klarar vibrationer runt 500 Hz utan sprickor.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"319\"><\/span>319<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Denna legering har 6% kisel tillsammans med 3% koppar. Kisel f\u00f6rb\u00e4ttrar flytf\u00f6rm\u00e5gan, men koppar ger b\u00e4ttre v\u00e4rmeledningsf\u00f6rm\u00e5ga (150 W\/m-K).<\/p>\n<p>De gjuts f\u00f6r att tillverka cylinderhuvuden och kylfl\u00e4nsar. Det ger maximal precision i delar som \u00b10,02 mm och passar t\u00e4tt i motorer.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"413\"><\/span>413<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Legeringen 413 inneh\u00e5ller 12% kisel och 2% j\u00e4rn. Det \u00e4r d\u00e4rf\u00f6r den ger en tryckt\u00e4thet p\u00e5 cirka 50 MPa. Delarna, som hydraulpumpar och ventiler, \u00e4r deras applikationer.<\/p>\n<p>Dessutom t\u00e4tar denna legering l\u00e4ckage i springor, som kan vara s\u00e5 sm\u00e5 som 0,5 mm, vilket sparar v\u00e4tska.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"535\"><\/span>535<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tillverkarna l\u00e4gger till 7% magnesium och 0,15% kisel i sammans\u00e4ttningen av 535 legering. Dess korrosionsbest\u00e4ndighet \u00f6verensst\u00e4mmer med exakthet i pH 8-10-milj\u00f6er som havsvatten.<\/p>\n<p>De anv\u00e4nds f\u00f6r att tillverka fartygsskrov och offshore-riggar samt f\u00f6r svetsning vid 300\u00b0C. De spricker inte under denna temperatur och kan h\u00e5lla i 25 \u00e5r under marina f\u00f6rh\u00e5llanden.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Casting_Processes_for_Aluminum_Alloys\"><\/span>Gjutningsprocesser f\u00f6r aluminiumlegeringar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-16T093926.898.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18191 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-16T093926.898.png\" alt=\"gjutbar aluminiumlegering pressgjutningsprocess\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-16T093926.898.png 800w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-16T093926.898-480x300.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=\"Die_Casting\"><\/span>Pressgjutning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gjutningsprocessen innefattar att sm\u00e4lta aluminiumlegeringen och injicera den i formen under h\u00f6gt tryck. Det gjuter delar p\u00e5 h\u00f6gst 10-30 sekunder, och utg\u00e5ngsresultatet uppfyller snabba och exakta parametrar.<\/p>\n<p>Bland de \u00f6vriga legeringarna \u00e4r A380 och ADC12 de mest anv\u00e4nda f\u00f6r tillverkning av bilmotorf\u00e4sten och d\u00f6rrhandtag till flygplan.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sand_Casting\"><\/span>Sandgjutning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>I sandgjutningsprocessen anv\u00e4nds sandformar. Deras kornstorlek varierar mellan 0,10 och 0,5 mm. Processen \u00e4r l\u00e4mplig och g\u00e5r bra med tillverkning av delar som motorblock. Den \u00e4r mycket mer prisv\u00e4rd (50%) \u00e4n pressgjutning men ger inte sl\u00e4ta ytor.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Investment_Casting\"><\/span>Investeringsgjutning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/books.google.com.pk\/books?hl=en&amp;lr=&amp;id=C4-4EAAAQBAJ&amp;oi=fnd&amp;pg=PP1&amp;dq=Investment+casting&amp;ots=RsdXzfLfyW&amp;sig=XGTN46pqDmkOSgB5C5nyvTArqek\" target=\"_blank\" rel=\"noopener\">Investeringsgjutning<\/a> inkluderar vaxm\u00f6nster med keramiska bel\u00e4ggningar. De tillverkar delar som l\u00e4gger till detaljerade element, som turbinblad.<\/p>\n<p>Dessutom f\u00e5r man effektivt sn\u00e4vare toleranser p\u00e5 \u00b10,05 mm men det tar mycket l\u00e5ng tid (48 timmar per form).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Challenges_and_Solutions_in_Aluminum_Casting\"><\/span>Utmaningar och l\u00f6sningar inom aluminiumgjutning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Casting_Defects\"><\/span>Defekter i gjutningen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gjutbara aluminiumlegeringar orsakar defekter som porositet och krympning, vilket f\u00f6rsvagar delar. Det \u00e4r just d\u00e4rf\u00f6r du beh\u00f6ver anv\u00e4nda vakuumgjutning f\u00f6r att minska porositeten med upp till 70%.<\/p>\n<p>F\u00f6r att f\u00f6rb\u00e4ttra ytj\u00e4mnheten (upp till 12,5 \u00b5m) \u00e4r det viktigt att plocka kulbombning med 0,5 mm kulor vid 80 psi.<\/p>\n<p>Genom att f\u00f6rv\u00e4rma formarna innan den sm\u00e4lta legeringen sprutas in undviks klibbighet och de inre delarna fylls med b\u00e4ttre flytf\u00f6rm\u00e5ga.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Alloy_Selection\"><\/span>Val av legering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Att v\u00e4lja fel legering kan f\u00f6rst\u00f6ra hela projektet. A380 l\u00e4mpar sig till exempel b\u00e4st f\u00f6r tunnv\u00e4ggiga fordonsdelar.<\/p>\n<p>Samtidigt skapar LM6 en motst\u00e5ndsb\u00e4rare som klarar havsvatten. ADC12 fyller mindre luckor p\u00e5 h\u00f6gst 30 sekunder, men kan spricka om den \u00f6verhettas till \u00f6ver 600\u00b0C.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Heat_Treatment_Challenges\"><\/span>Utmaningar vid v\u00e4rmebehandling<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/heat-treatment-of-alu-alloys.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18192 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/heat-treatment-of-alu-alloys-1024x1024.jpg\" alt=\"v\u00e4rmebehandling aluminium pressgjutning\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/heat-treatment-of-alu-alloys-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/heat-treatment-of-alu-alloys-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/heat-treatment-of-alu-alloys-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>Den heta zonen i ugnar v\u00e4rmer upp legeringar. Anv\u00e4ndningen av en temperatur p\u00e5 500 \u00b0C och drift i 4 timmar ger dem starka egenskaper.<\/p>\n<p>Kyltanken i denna process hj\u00e4lper till att f\u00f6rhindra sprickor n\u00e4r den kyler ner delarna med 10\u00b0C\/min. Kyltemperaturen f\u00e5r dock inte vara f\u00f6r l\u00e5g. Detta eftersom det kan riskera spr\u00f6dhet. Till exempel ger r\u00e4tt kylning 20% styrka till legering 6061.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Slutsats:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gjutbara aluminiumlegeringar \u00e4r mycket viktiga inom m\u00e5nga branscher som fordons-, flyg-, industri- och till och med konsumentprodukter. De \u00e4r l\u00e4tta i vikt, vilket \u00e4r anledningen till att de minskar br\u00e4nslef\u00f6rbrukningen.<\/p>\n<p>Deras f\u00f6rm\u00e5ga att stoppa korrosion inneb\u00e4r ocks\u00e5 att de kan h\u00e5lla i mer \u00e4n 25 \u00e5r. Detta \u00e4r ocks\u00e5 sk\u00e4let till att de \u00e4r mer kr\u00e4vande i tuffa milj\u00f6er.<\/p>\n<p>Om det finns utmaningar som krympning eller porositet kan du \u00e5tg\u00e4rda dem med hj\u00e4lp av s\u00e4rskilda tekniker. S\u00e5 skapa m\u00e5ngsidiga produkter med hj\u00e4lp av aluminiumlegeringar som du v\u00e4ljer.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e4s om egenskaperna hos gjutbara aluminiumlegeringar som A380, A356 och 6061. L\u00e4r dig mer om deras dragh\u00e5llfasthet, korrosionsbest\u00e4ndighet och inverkan p\u00e5 industrier som bil-, flyg- och elektronikindustrin. <\/p>","protected":false},"author":2,"featured_media":18193,"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-18187","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aluminium-alloy-castings"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/posts\/18187","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/comments?post=18187"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/posts\/18187\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/media\/18193"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/media?parent=18187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/categories?post=18187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/sv\/wp-json\/wp\/v2\/tags?post=18187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}