Roller in rotary compressor and method for producing the same

Details Roller in rotary compressor and method for producing the same Roller in rotary compressor and method for producing the same

1988-11-14

1990-02-27

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75232, 75237, 419 11, 419 14, 419 16, 419 17, 419 19, 419 29, 419 38, C22C 2912

Patent

active

049043021

ABSTRACT:
Disclosed is a roller for use in a rotary compressor, which roller comprising a sintered body consisting essentially of 0.5-2.0% by weight of C, 1.0-5.0% by weight of Cu, 1.2-3.0% by weight of Mo and a balance of Fe and unavoidable impurities. In the sintered alloy, hard particles of Fe-Mo alloy are dispersed in one of pearlitic and tempering martensitic matrix, and sintered pores of the sintered body is sealed with tri-iron tetroxide. Resultant sintered body has high wear resistance and scuffing resistance capable of being used as an inverter type compressor.

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