When the time was extended, the coefficient of friction became stable.
随时间的延长,材料的摩擦系数趋于稳定。
参考来源 - 航空发动机轴间密封用C/C复合材料的滑动磨擦磨损特性研究When the coatings were in lubricated wear test, the coefficient of friction rapid reduce to 0.12.
陶瓷层涂抹润滑油后,与钢球对磨的摩擦系数降低至0.12。
参考来源 - TB2合金微弧氧化陶瓷层组织形貌和摩擦性能·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N the force required to move two sliding surfaces over each other, divided by the force holding them together. It is reduced once the motion has started 摩擦系数 [mechanical engineering]
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