In order to improve the conductivity and wearability of copper-graphite composite brush,the brush friction coefficient was investigated under the different percent of carbon fiber conditions.

• 为进一步改善铜-石墨复合材料电刷的导电和耐磨性,提高其使用寿命,研究了在通电条件下,碳纤维含量对铜-石墨电刷摩擦因数的影响。