High-temperature creep-resistant material

Details High-temperature creep-resistant material High-temperature creep-resistant material

1994-04-18

1996-04-02

Kastler, Scott

Alloys or metallic compositions

Titanium base

Aluminum containing

420418, 148421, C22C 1400

Patent

active

055037984

ABSTRACT:
A multiphase, high-temperature material contains an intermetallic base alloy of the Ti.sub.3 Al type, which is intended especially for use in heat engines such as internal combustion engines, gas turbines and aircraft engines. The material contains from 44 to 73 atom % titanium, from 19 to 35 atom % aluminum, from 2 to 6 atom % silicon, and from 5 to 15 atom % niobium. The desired microstructure is attained by heat treating the alloy at between 800.degree. and 1100.degree. C.

REFERENCES:
patent: 3411901 (1968-11-01), Winter
patent: 4292077 (1981-09-01), Blackburn et al.
patent: 4983357 (1991-01-01), Mitao et al.
patent: 5183635 (1993-02-01), Kerry et al.
patent: 5190602 (1993-03-01), Bendersky et al.
patent: 5196162 (1993-03-01), Maki et al.
Japanese Patent Abstract 3 226 538 Mar. 1991.
DE-Z "Metallkunde" vol. 65, No. 2, Dec. 1974, pp. 89-93.

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