Wear-resistant iron-based sintered alloy and method

Details Wear-resistant iron-based sintered alloy and method Wear-resistant iron-based sintered alloy and method

1992-02-06

1992-10-27

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 29, G22F 900

Patent

active

051586010

ABSTRACT:
In a method for producing by a powder-metallurgical method a wear-resistant iron-based sintered alloy, which essentially consists of from 0.3 to 2.5% by weight of C, from 1 to 8% of Cu, from 3 to 14% of at least one element selected from the group consisting of Cr, Mo, W, V, Nb, and Ta, and Fe and the unavoidable impurities in balance, and which has a micro-structure such that a majority of the alloying elements are uniformly dissolved as solutes of the iron matrix and fine Cu phase is uniformly dispersed, a composite powder which consists of iron or iron alloy and Cu which is present mainly on the surface of the composite powder is used in the raw-material powder.

REFERENCES:
patent: 4437890 (1989-03-01), Hayasaka et al.
patent: 4648903 (1987-03-01), Ikenoue et al.

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