Process for hardening aluminum using a magnesium alloy

Details Process for hardening aluminum using a magnesium alloy Process for hardening aluminum using a magnesium alloy

1995-06-06

1998-03-17

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148551, 148666, 148420, 148440, C22F 104

Patent

active

057282390

ABSTRACT:
A process for hardening aluminum comprises the steps of adding a magnesium hardener to molten aluminum wherein the hardener has a magnesium content in the range of 64-72 wt % based on the weight of the hardener, with a remaining portion of the hardener comprising aluminum. The process may further include the steps of preheating the hardener prior to adding the hardener to the aluminum for decreasing a temperature differential between the hardener and the aluminum so as to stabilize the hardener and prevent shattering thereof.

REFERENCES:
Proffitt, Henry "Magnesium and Magnesium Alloy", Metals Handbook, 9th Ed, vol. 15, 1989 pp. 798-810.

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