Method of making iron-based powder mixture

Details Method of making iron-based powder mixture Method of making iron-based powder mixture

1992-09-22

1994-01-18

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

75770, B22F 904

Patent

active

052796400

ABSTRACT:
An iron-based powder mixture for powder metallurgy essentially consists of a melted mixture, as a binder, which includes about 0.1% to about 1.0% by weight of a powder of at least one organic compound selected from stearic acid, oleic acid amide, and stearic acid amide, and about 0.1% to about 1.0% by weight of a powder of stearic acid bisamide; and the balance which is an iron-based powder, to the surface of which adhered about 0.1% to about 3.0% by weight of an alloying powder and/or a powder for improving machinability. Disclosed also is a method of producing the mixture.

REFERENCES:
patent: 4946499 (1990-08-01), Sakuranda et al.
patent: 5154881 (1992-10-01), Rutz et al.

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