Method for preparing a composite metal sintered article

Details Method for preparing a composite metal sintered article Method for preparing a composite metal sintered article

1978-12-29

1981-04-14

Schafer, Richard E.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75200, 228115, 228116, 428553, B22F 704

Patent

active

042617456

ABSTRACT:
A composite metal sintered article combining a metal shell which has been electroformed and/or electroless plated and/or vapor deposited, positioned inside or outside of a metal sintered compact. A method of making the composite metal sintered article using both a powder metallurgy process and a surface treating process. This composite metal sintered article has excellent surface properties and high dimensional accuracy and is favorably used for many kinds of forming molds, dies and structural members, especially for press molds in making glassware.

REFERENCES:
patent: 2342037 (1944-02-01), Cremer
patent: 3364089 (1968-01-01), Koubeck et al.
patent: 3506500 (1970-04-01), Talmage
patent: 3738830 (1970-06-01), Kimura et al.
patent: 3886637 (1975-06-01), Ellis et al.
patent: 3982934 (1976-09-01), Wentzell
patent: 3994784 (1976-11-01), Kapush
patent: 4032335 (1977-06-01), Zapf
patent: 4090873 (1978-05-01), Takamura et al.

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