Wear resistant iron-base sintered alloy

Details Wear resistant iron-base sintered alloy Wear resistant iron-base sintered alloy

1987-03-09

1988-10-18

Terapane, John F.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75241, C22C 2906, C22C 2908

Patent

active

047785225

ABSTRACT:
A wear resistant iron-base sintered alloy consists essentially of at least one selected from the group consisting of molybdenum and tungsten, ranging from 5 to 20% by weight, chromium ranging from 2 to 10% by weight, silicon ranging from 0.1 to 0.9% by weight, manganese ranging not more than 0.7% by weight, phosphorus ranging not more than 0.05% by weight, carbon ranging from 0.1 to 0.8% by weight, boron ranging from 0.5 to 2.0% by weight, and balance including iron and an impurity, so that fine multiple carbide, multiple boride, and/or multiple carbide-boride can be homogeneously dispersed as hard grains in the structure of a matrix, thereby exhibiting excellent wear resistance, scuffing resistance and pitting resistance.

REFERENCES:
patent: 4318733 (1982-03-01), Ray et al.
patent: 4345943 (1982-08-01), Takahashi et al.
patent: 4348232 (1982-07-01), Hiraoka et al.
patent: 4487630 (1984-12-01), Crook et al.
patent: 4599109 (1986-07-01), Kawai et al.
JICST M86081366, pp. 295-310; Materials Engineering Department Rensselaer Polytechnic Institute; K. S. Hwang et al.
Technical Research Laboratory, Toyo Kohan Co., Ltd.: pp. 1073-1076; T. Ide et al.
Technical Research Laboratory, Toyo Kohan Co., Ltd., pp. 1077-1082; K. Takagi et al.

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