摩擦速度 meaning in English

friction velocity
rubbing speed
rubbing velocity

Influence of friction speed on structure and properties of friction welded dissimilar metal joints
摩擦速度对异种金属摩擦焊接头组织性能的影响
Abstract : the colour , collapse phenomenon and chemical component of the friction surface of powder metallurgy airplane brake materials with different base are studied in this paper
文摘:在不同的摩擦速度下，考察了铁基、铁铜基及铜基粉末冶金航空刹车材料摩擦面的变化情况。