High impact strength power metal part and method for making same

Details High impact strength power metal part and method for making same High impact strength power metal part and method for making same

1986-11-28

1988-03-15

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75244, 75247, 419 27, 419 29, 419 57, 419 58, 419 60, B22F 100

Patent

active

047311185

ABSTRACT:
A copper or copper alloy infiltrated ferrous powder metal part, and method for making the same, characterized as having after infiltration an overall density of at least 7.50 g/cm.sup.3 and a diffusion depth of copper into the steel matrix of less than about 4 micrometers as determined by chemical etching or less than about 8 micrometers as determined by electron dispersive X-ray analysis (EDXA), wherein said ferrous metal is plain carbon steel having a combined carbon content in the range of about 0.15% to about 1.25%, or a low alloy steel.

REFERENCES:
patent: 4123265 (1978-10-01), Takahashi
patent: 4606768 (1986-08-01), Svilar et al.

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