Wear resistant hard metal free of tungsten carbide

Details Wear resistant hard metal free of tungsten carbide Wear resistant hard metal free of tungsten carbide

1981-04-01

1984-11-06

Hunt, Brooks H.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 15, 419 57, 419 60, 419 33, 75238, 75241, B22F 300

Patent

active

044811667

ABSTRACT:
A wear-resistant hard metal free of tungsten carbide. The hard metal comprises: molybdenum carbide; a carbide of another transition metal; boron, boron nitride, boron carbide, or a mixture thereof, in an amount of 0.1 to 1% by weight boron, based on the weight of the molybdenum carbide, other transition metal carbide and boron-containing material, and a binder metal selected from the group consisting of metals of the iron group of the Periodic Table of Elements, and alloys thereof.

REFERENCES:
patent: Re21520 (1938-06-01), Schwarzkopf
patent: Re22074 (1942-04-01), Schwarzkopf
patent: 4188209 (1980-02-01), Kruske
Schwarzkopf, P. and Kieffer, R. Cemented Carbides, MacMillan Co., N.Y., 1960, pp. 199-213.
W. S. Williams, "Dispersion Hardening of Titanium Carbide by Boron Doping", Transactions of the Metallurgical Society of AIME, vol. 236, Feb. 1966, pp. 211 to 216.

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