Synchronizer ring

Details Synchronizer ring Synchronizer ring

1993-11-23

1994-12-06

Walsh, Donald P.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75246, 192107M, C22C 2900

Patent

active

053707257

ABSTRACT:
A synchronizer ring having a stabilized friction characteristic relative to a taper cone and having sufficient mechanical strength and anti-abrasion characteristic. The synchronizer ring is made from a ferrous sintered alloy containing 0.2 to 1.0% by weight of carbon, 8.0 to 15.0% by weight of copper, 0.1 to 7.0% by weight of at least one component selected from a group consisting of chromium, manganese, molybdenum, and phosphorus, and balance iron and inevitable impurities. A free copper is precipitated in a matrix of the sintered alloy. Porosity of the sintered alloy is from 3 to 8 vol %.

REFERENCES:
patent: 3802849 (1974-04-01), Kimura et al.
patent: 4943321 (1990-07-01), Akutsu
patent: 5049183 (1991-09-01), Saka et al.

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