Metal treatment – Stock – Aluminum base
Patent
1999-02-11
2000-10-17
Ip, Sikyin
Metal treatment
Stock
Aluminum base
148549, 420542, 420543, 420544, 420546, C22C 2106
Patent
active
061325317
ABSTRACT:
Alloy and cast alloy product ideally suited for use as a component in a vehicle frame or subframe, i.e., body-in-white, comprising an alloy consisting of about 2.80 to 3.60 wt. % magnesium, less than approximately 0.20 wt. % silicon, approximately 1.10 to 1.40 wt. % manganese, less than approximately 0.2 wt. % iron, less than approximately 0.15 wt. % titanium, about 0.0005 to 0.0015 beryllium, the balance substantially aluminum and incidental elements and impurities. The aluminum/magnesium alloy is typically solidified into ingot derived working stock by die casting into a shape suitable for remelt for die casting, which shape is typically an ingot billet. Excellent mechanical properties are obtained from a cast product that is not subjected to heat treating operations subsequent to casting.
Fang Que Tsang
Lin Jen C.
Sindel Manfred G.
Aluminum Company of America
Ip Sikyin
Trempus Thomas R.
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