Precipitation-hardenable, nitrided aluminum alloys and nitrided

Details Precipitation-hardenable, nitrided aluminum alloys and nitrided Precipitation-hardenable, nitrided aluminum alloys and nitrided

1976-02-09

1977-11-29

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 68R, 75139, 75141, 75142, 75144, 75146, 75147, 148 32, 148 325, C22C 102, C22C 103, C22C 2100

Patent

active

040604110

ABSTRACT:
Precipitation-hardenable, nitrided aluminum alloys are produced by forming an alloy of aluminum metal at a temperature up to about 800.degree. C with a nitrided mother alloy of a specified composition which has been nitrided at a temperature of 800.degree. to 1,200.degree. C. The aluminum alloys are made precipitation-hardenable by the incorporation therein of a precipitation-hardening component such as copper, zinc and/or magnesium, and the precipitation-hardening component can be contained in the mother alloy undergoing nitridation.

REFERENCES:
patent: 3531337 (1970-09-01), Kawakatsu
patent: 3551143 (1970-12-01), Marukawa et al.

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