{"id":12999,"date":"2018-10-14T07:23:04","date_gmt":"2018-10-14T07:23:04","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=12999"},"modified":"2019-09-20T12:34:05","modified_gmt":"2019-09-20T12:34:05","slug":"alliages-pour-le-moulage-sous-pression","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/fr\/alliages-pour-le-moulage-sous-pression\/","title":{"rendered":"Alliages pour moulage sous pression"},"content":{"rendered":"

Alliages pour moulage sous pression<\/h1>\n

Alliages pour moulage sous pression<\/strong><\/em><\/a> sont normalement non ferreux, et il en existe un grand nombre avec une large gamme de propri\u00e9t\u00e9s physiques et m\u00e9caniques couvrant presque toutes les applications imaginables dont un concepteur pourrait avoir besoin.<\/span><\/small><\/p>\n

Les alliages d'aluminium et de zinc sont les plus utilis\u00e9s, suivis par le magn\u00e9sium, les alliages de zinc-aluminium (AZ), le cuivre, l'\u00e9tain et le plomb.<\/span><\/small><\/p>\n

Les alliages \u00e0 base de zinc, de plomb et d'\u00e9tain sont class\u00e9s parmi les m\u00e9taux \u00e0 bas point de fusion, tous fondant \u00e0 moins de 725o<\/sup>F (385o<\/sup>C). Les alliages zinc-aluminium (ZA) ont une plage de fusion l\u00e9g\u00e8rement plus \u00e9lev\u00e9e de 800o<\/sup>F \u00e0 900o<\/sup>F (426o<\/sup>C \u00e0 482o<\/sup>C). Les alliages d'aluminium et de magn\u00e9sium sont consid\u00e9r\u00e9s comme des alliages \u00e0 point de fusion mod\u00e9r\u00e9 ; ils sont coul\u00e9s dans la fourchette 1150o<\/sup>F \u00e0 1300o<\/sup>F (621o<\/sup>C \u00e0 704o<\/sup>C). Les alliages de cuivre sont consid\u00e9r\u00e9s comme ayant un point de fusion \u00e9lev\u00e9, sup\u00e9rieur \u00e0 1650o<\/sup>F (899o<\/sup>C). Les alliages \u00e0 bas point de fusion sont coul\u00e9s dans des machines \u00e0 chambre chaude. Les alliages \u00e0 point de fusion moyen et \u00e9lev\u00e9 sont coul\u00e9s dans des machines \u00e0 chambre froide. Ces derni\u00e8res ann\u00e9es, des machines \u00e0 chambre chaude sp\u00e9cialement con\u00e7ues pour le moulage sous pression des alliages de magn\u00e9sium ont \u00e9t\u00e9 mises en service.<\/span><\/small><\/p>\n

<\/a>Composition chimique (%) pour l'aluminium et le zinc<\/b><\/span><\/span><\/p>\n

<\/center><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n\n

Aluminium<\/b><\/span><\/p>\n<\/td>\n

\n

Zinc<\/b><\/span><\/p>\n<\/td>\n<\/tr>\n

Aluminium<\/span><\/small><\/td>\n\n

Reste<\/span><\/small><\/p>\n<\/td>\n

\n

3,5 \u00e0 4,3<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Cadmium<\/span><\/small><\/td>\n\n

-<\/span><\/small><\/p>\n<\/td>\n

\n

.004 (max)<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Cuivre<\/span><\/small><\/td>\n\n

3.0 \u00e0 4.0<\/span><\/small><\/p>\n<\/td>\n

\n

0,25 (max)<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Le fer<\/span><\/small><\/td>\n\n

1.3<\/span><\/small><\/p>\n<\/td>\n

\n

0,10 (max)<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Plomb<\/span><\/small><\/td>\n\n

-<\/span><\/small><\/p>\n<\/td>\n

\n

.005 (max)<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Magn\u00e9sium<\/span><\/small><\/td>\n\n

0.10<\/span><\/small><\/p>\n<\/td>\n

\n

0,02 \u00e0 0,05<\/small><\/span><\/p>\n<\/td>\n<\/tr>\n

Mangan\u00e8se<\/span><\/small><\/td>\n\n

0.50<\/span><\/small><\/p>\n<\/td>\n

\n

-<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Nickel<\/span><\/small><\/td>\n\n

0.50<\/span><\/small><\/p>\n<\/td>\n

\n

*<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Silicium<\/span><\/small><\/td>\n\n

7,5 \u00e0 9,5<\/span><\/small><\/p>\n<\/td>\n

\n

*<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Etain<\/span><\/small><\/td>\n\n

0.35<\/span><\/small><\/p>\n<\/td>\n

\n

.003 (max)<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Zinc<\/span><\/small><\/td>\n\n

3.0<\/span><\/small><\/p>\n<\/td>\n

\n

Reste<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Autres<\/span><\/small><\/td>\n\n

0.50<\/span><\/small><\/p>\n<\/td>\n

\n

-<\/span><\/small><\/p>\n<\/td>\n<\/tr>\n

Les propri\u00e9t\u00e9s m\u00e9caniques et la composition chimique varient selon les alliages.\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/center><\/div>\n

\u00a0<\/span><\/p>\n

<\/center><\/div>","protected":false},"excerpt":{"rendered":"

Die Casting Alloys Die casting alloys are normally non-ferrous, and there is a large number available with a wide range of physical and mechanical properties covering almost every conceivable application a designer might require. Aluminum and zinc alloys are the most widely used, and are followed by magnesium, zinc-aluminum (AZ) alloys, copper, tin and lead. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[81],"tags":[82],"class_list":["post-12999","post","type-post","status-publish","format-standard","hentry","category-die-casting-alloys","tag-die-casting-alloys"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/posts\/12999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/comments?post=12999"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/posts\/12999\/revisions"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/media?parent=12999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/categories?post=12999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/tags?post=12999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}