High-density sintered bodies with high mechanical strengths

Details High-density sintered bodies with high mechanical strengths High-density sintered bodies with high mechanical strengths

1979-03-23

1981-01-20

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75202, 75226, C22C 2900, C22C 105, B22F 314

Patent

active

042460271

ABSTRACT:
A novel sintered body suitable for use as a refractory or abrasive material s proposed with high mechanical strengths and hardness even at elevated temperatures. The sintered body of the invention is prepared by subjecting a powder mixture composed of titanium diboride as the base component, a nickel phosphide or nickel-phosphorus alloy and a third component selected from metals of chromium, molybdenum, niobium, tantalum, hafnium, rhenium and aluminum as well as diborides thereof, and the inventive sintered bodies are very advantageous in their industrial production owing to the relatively low sintering temperature of 2000.degree. C. or lower and in their high performance at elevated temperatures to find wide applications in the fields of high-temperature engineering and as a material for the high-speed cutting tools.

REFERENCES:
patent: 2996793 (1961-08-01), Jayne
patent: 3256072 (1966-06-01), Bull et al.
patent: 3954419 (1976-05-01), Kaufman et al.

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