Metal treatment – Stock – Aluminum base
Patent
1995-02-16
1996-11-12
Simmons, David A.
Metal treatment
Stock
Aluminum base
74552, 148417, 148439, 301 65, 420532, 420533, 420534, 420535, 420541, 420542, 420543, 420544, 420546, 420547, C22C 2106
Patent
active
055736068
ABSTRACT:
The present invention relates to an aluminum base die casting alloy having substantially improved mechanical properties, and a method for making die cast products from the alloy. More particularly the improved aluminum based alloy comprises 2.5-4.0% by weight magnesium, 0.2-0.6% by weight manganese, 0.25-0.6% by weight iron, 0.2-0.45% by weight silicon, less than 0.003% by weight beryllium with the remainder being aluminum.
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Japanese Industrial Standard UDC 669.715-143, Aluminum Alloy Die Castings, JIS H 5302, pp. 1-5 (1976).
Improving Aluminum Castings with Beryllium. Keith G. Wikle. Transactions of the American Foundrymen's Society. vol. 86 pp. 513-518 (Apr. 1978).
The Al-Be-Mg System (Aluminum-Berryllium-Magnesium). S. Stiltz. Journal of Phase Equilibria, vol. 13 No. 6, pp. 636-640, Dec. 1992.
Beryllium in aluminum and magnesium alloys. C. Houska. Metals and Materials, vol. 4 No. 2, p. 100, Feb. 1988.
Evans James M.
Gibbs Roland N.
Hagan Richard J.
Routh William C.
Gibbs Die Casting Aluminum Corporation
Koehler Robert R.
Simmons David A.
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