Process for making sintered composite mechanical parts

Details Process for making sintered composite mechanical parts Process for making sintered composite mechanical parts

1983-07-07

1985-09-03

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

419 38, 1481261, 148127, 228131, B22F 300

Patent

active

045391971

ABSTRACT:
A process for making a sintered mechanical part with a complex profile by preparing separately a compact having a shaft (referred to as the inner compact) and a compact having an opening (hereinafter referred to as the outer compact) by the compression of iron-based metal powders, and sintering both compacts in a state where the inner compact is fitted into the cutter compact,
wherein a difference in fitting size between the shaft and the opening is selected such that interference fitting takes place with the interference being fixed at a value equal to, or lower than, the figure determined by the following calculation:

REFERENCES:
Modern Metals, Jun. 1976, p. 37.

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