Method for the production of a wear resistant part of a soil wor

Details Method for the production of a wear resistant part of a soil wor Method for the production of a wear resistant part of a soil wor

1986-07-14

1987-11-03

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

75235, 75236, 75240, 75244, 419 12, 419 13, 419 18, 419 19, 419 23, 419 29, 419 54, 4289088, C22C 3200

Patent

active

047042516

ABSTRACT:
Method for the production of a wear resistant part of a soil working tool comprising forming a mixture of 67-90% by volume of iron particles consisting of at least 97% Fe and 10-33% by volume of hard particles having a desired particle size distribution, and subsequently pressing the mixture at a pressure of at least 3500 kp/cm.sup.2 to form a compact, sintering the compact at a temperature of 900.degree.-1200.degree. C., and optionally sinter forging the sintered compact. The sintered part consists of an iron matrix in which hard particles with a predetermined particle size distribution are embedded.

REFERENCES:
patent: 2672426 (1954-03-01), Grubel et al.
patent: 3493351 (1970-02-01), Bergna et al.
patent: 3809540 (1974-05-01), Mal
patent: 3967935 (1976-07-01), Frehn
R. C. D. Richardson, "The Wear of Metallic Materials by Soil-Practical Phenomena", in J. Agric Engng. Res. (1967) 12 (1), 22-39.

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