Method for the regional infiltration of powdered metal parts

Details Method for the regional infiltration of powdered metal parts Method for the regional infiltration of powdered metal parts

1990-10-19

1992-04-21

Seidel, Richard K.

Metal founding

Process

Shaping liquid metal against a forming surface

164 97, B22D 1902

Patent

active

051058723

ABSTRACT:
A method is disclosed as an improvement to the art of treating local areas of powdered metal parts which have been afflicted with stress concentrations due to applied loads, or have produced adverse frictional characteristics caused by sliding or rolling wear, etc. The method is directed to improving the material properties of these localized areas by placing a suitable metal adjacent the affected area and to apply heat in concentrated form solely upon the metal and the area to affect infiltration of the metal at that area.

REFERENCES:
patent: 4033400 (1977-07-01), Gurnell et al.
patent: 4172719 (1979-10-01), McGee et al.
patent: 4863538 (1989-09-01), Deckard
Metals Handbook, 9th ed., vol. 7, ASM, 1984, "Infiltration".

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