Low density heat resistant intermetallic alloys of the Al.sub.3

Details Low density heat resistant intermetallic alloys of the Al.sub.3 Low density heat resistant intermetallic alloys of the Al.sub.3

1989-03-30

1991-04-09

Morris, Theodore

Alloys or metallic compositions

Aluminum base

Titanium, zirconium, hafnium, vanadium, niobium, or tantalum...

420529, 420538, 420551, 420553, 420581, 420582, 420583, 420587, 420588, 4205841, C22C 2100, C22C 2106

Patent

active

050060546

ABSTRACT:
Low density, high temperature and aluminum-rich intermetallic alloys displaying excellent elevated temperature properties, including oxidation resistance, are disclosed. Based on the aluminum/titanium system, specifically modifications of Al.sub.3 Ti compositions, useful alloys are derived from changes in crystal structure and properties effected by selected-site substitution alloying with manganese and/or chromium, and, where used, vanadium, or equivalent site-substituting alloying elements.

REFERENCES:
patent: 2750271 (1956-06-01), Cueilleron et al.
patent: 3391999 (1968-07-01), Cole et al.

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