Wear resistant iron powder article

Details Wear resistant iron powder article Wear resistant iron powder article

1986-09-30

1987-07-07

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 11, 419 12, 419 23, 419 38, 419 58, C22C 2914

Patent

active

046785108

ABSTRACT:
A wear resistant iron alloy article is preferably formed by compacting and sintering a predominantly iron powder mixture containing additions of carbon, copper and nickel boride. The product microstructure comprises hard borocementite particles dispersed in a martensite or pearlite matrix. The particles have a cross-sectional dimension greater than 1 micron and are present in an amount preferably between 10 and 30 volume percent to improve wear resistance.

REFERENCES:
patent: 3451809 (1969-06-01), Raman et al.
patent: 3999952 (1976-12-01), Kondo et al.
patent: 4217141 (1980-08-01), Schrittwieser
patent: 4618473 (1986-10-01), Jandeska

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