The electrical transmission between moving parts requires contact pairs such as rolling rings, sliding rings, connectors, etc. These functional contact pairs can be defined as current-carrying frictional pairs because they need to bear the transmission of current while enduring friction and wear. The rough current-carrying frictional pairs are typical contact surface withstands the load of force, heat, and electricity, resulting in the unique contact characteristics of the current-carrying pair. The research progress of current-carrying tribology has been reviewed in this paper. The correlation mechanism between tribological performance and current-carrying performance has been summarized. The composite and competitive relationship between mechanical damage and electrical damage has been discussed. Methods for evaluating the dynamic performance of current-carrying tribology has been proposed. The spatiotemporal non-uniformity of current-carrying frictional damage has been revealed. Future research trends are expected at the end.
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Huang et al. (2024) studied this question.
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