Iron-based powder mixture for powder metallurgy and process for

Details Iron-based powder mixture for powder metallurgy and process for Iron-based powder mixture for powder metallurgy and process for

1998-08-20

1999-11-02

Mai, Ngoclan

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75230, 75231, 419 36, B22F 100

Patent

active

059762152

ABSTRACT:
An iron-based powder mixture for powder metallurgy, comprising: an iron-based powder, and from 0.05 to 0.50% by weight of a thermoplastic resin powder which comprises 50% or more by weight of units of at least one monomer selected from the group consisting of acrylic esters, methacrylic esters, and aromatic vinyl compounds, and whose average primary particle size is from 0.03 to 5 .mu.m, whose average agglomeration particle size is from 5 to 50 .mu.m, and whose average molecular weight measured by the specific viscosity of a solution is from 30000 to 5000000.

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patent: 5298055 (1994-03-01), Semel et al.
patent: 5368630 (1994-11-01), Luk
patent: 5421853 (1995-06-01), Chen et al.
patent: 5782954 (1998-07-01), Luk

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