Method for making composite sintered apex seal material

Details Method for making composite sintered apex seal material Method for making composite sintered apex seal material

1990-01-25

1990-09-04

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 38, 419 60, 75240, B22F 100

Patent

active

049540580

ABSTRACT:
A apex seal is formed by cold pressing and sintering a mixture of Clevite and tungsten carbide powders to form a seal wherein harder rounded carbide particles are distributed within a softer matrix.

REFERENCES:
patent: 3909310 (1975-09-01), Uy
patent: 3981062 (1976-09-01), Moskowitz et al.
patent: 4011054 (1977-03-01), Beyer et al.
patent: 4032302 (1977-06-01), Nakamura et al.
patent: 4101318 (1978-07-01), Rudy
patent: 4129444 (1978-12-01), Dreyer et al.
Chemical Abstracts, Bunch 75, No. 24, Dec. 13, 1971, 142503, "Solid Lubrication for Aero Propulsion Systems".

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