SLIDING CONTACT MATERIAL, CLAD COMPOSITE MATERIAL, COMMUTATOR EMPLOYING SAID MATERIAL AND DIRECT CURRENT MOTOR EMPLOYING SAID COMMUTATOR

摘要

Disclosed herein are several sliding contact materials of which compositions are AuAgCu, AuAgPdCu, PtAuAgCu, AgCuNi, AgPdCuNi and PtAgCuNi. The sliding contact material can be employed for forming a three-pole commutator which then may be incorporated in a direct current compact motor. The sliding contact material brings epoch-making results that the starting voltage of the motor can be maintained at a low level and an abrasion resistance can be elevated.