Surface refined sintered alloy and process for producing the sam

Details Surface refined sintered alloy and process for producing the sam Surface refined sintered alloy and process for producing the sam

1989-10-19

1990-10-16

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 16, 419 54, 419 57, 419 60, G22F 700

Patent

active

049633210

ABSTRACT:
There are disclosed a surface sintered alloy with a burnt surface, comprising 75 to 95% by weight of a hard phase containing Ti, C and N as the essential components and otherwise comprising at least one of Zr, Hf, V, Nb, Ta, Cr, Mo and W and the balance of the alloy comprising a binder phase composed mainly of Co and/or Ni and inevitable impurities, wherein the sintered alloy satisfies at least one condition selected from the group consisting of the following (1) to (3):

REFERENCES:
patent: 4830930 (1989-05-01), Taniguchi et al.

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