Heat resistant sintered hard alloy

Details Heat resistant sintered hard alloy Heat resistant sintered hard alloy

1992-01-23

1993-08-24

Walsh, Donald P.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75246, 420435, 420436, 148408, 148419, C22C 2900

Patent

active

052384810

ABSTRACT:
A heat-resistant sintered hard alloy comprises 35% to 95% by weight of a WCoB type complex boride in a cobalt base alloy. The alloy contains 1.5% to 4.1% boron, 19.1% to 69.7% tungsten, optionally to 25% chromium, the balance being cobalt and a maximum of 1% impurities. Nickel, iron and/or copper may be substituted for portions of the cobalt content.

REFERENCES:
patent: Re28552 (1975-09-01), Smith
patent: 2097176 (1937-10-01), de Crolyer
patent: 2776468 (1957-01-01), Steinitz
patent: 3933482 (1976-01-01), Dudko et al.
patent: 4089682 (1978-05-01), Saito et al.
patent: 4133682 (1979-01-01), Ray
patent: 4210443 (1980-01-01), Ray
patent: 4427446 (1984-01-01), Miura et al.
patent: 4523950 (1985-06-01), Wan et al.
patent: 4533389 (1985-08-01), Kapoor et al.
patent: 4561889 (1985-12-01), Oaku et al.
patent: 4743513 (1988-05-01), Scruggs
patent: 4961781 (1990-10-01), Morishita et al.

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