WS2を含有したCu-Sn系複合材料の高速しゅう動通電特性

概要

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The contact resistance and coefficient of friction of new composite materials expected for sliding electrical contact materials are evaluated. In the previous paper, the change sliding speed of the composite materials made of WS2, C, etc. at 40, 50 and 60 (Vol%) as lamella solid lubricants were experimented. As a result, as the sliding speed increased, the contact resistance decreased. In this paper, the details of contact resistance and coefficient of friction by the increase of the current are examined. As a result, the amount of solid lubricant increased, contact resistance was remarkably decreased by the increase of current. When the contact resistance is low, the solid lubricants films are destroyed easily.Keywords: Sliding electrical contact, Solid lubricant, Composite material, Contact resistance, Coefficient of friction
2011-04-30