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Vf , fiber orientation, fiber surface treatment, load and velocity have an great effect on friction and wear properties of K3D/EP composites. 纤维取向、纤维表面处理以及载荷和速度对K3D/EP复合材料的摩擦磨损性能有很大影响。
The effects of Si content on wear properties of Si-modified high aluminum Zn-based composites were investigated by abrasion test under dry friction and oily lubricated friction conditions. 采用磨损试验研究了干磨擦和油润滑摩擦条件下，硅含量对含硅高铝锌基复合材料磨损性能的影响。
The bainite ductile cast iron has been widely used because of its excellent combination of hardness, toughness and wear properties. 贝氏体球墨铸铁由于具有优异的强韧性能和耐磨性能已得到广泛的应用。
权威例句
But renovation costs for historic European properties are often steep, what with centuries of wear and tear. FORBES: Castle 4 Sale