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选择3种具有不同抗磨性能的纳米组分,制备了具有不同界面特性的聚合物/无机纳米复合材料;考察了纳米复合材料的减摩抗磨性能和机理,探讨了关于纳米复合材料润滑油添加剂的摩擦学功能设计准则.结果表明:对聚合物与无机纳米组分界面进行设计优化后能明显提高纳米复合材料的摩擦学性能.实现聚合物与无机纳米组分界面的优化设计后,聚合物与无机纳米组分之间具有更好的相容性,无机纳米组分在聚合物基体中分布更均匀;当聚合物基体在摩擦热和剪切作用下熔融分解后,裸露出来的具有高活性的无机纳米组分可在摩擦副接触表面形成具有良好摩擦学性能的表面膜.
Three kinds of nanocomposites with different antiwear properties were selected to prepare polymer / inorganic nanocomposites with different interfacial properties. The friction and wear resistance properties and mechanism of nanocomposites were investigated. The effects of nanocomposites Tribological properties of additives and additives.Results show that the tribological properties of nanocomposites can be obviously improved by designing and optimizing the interface between polymer and inorganic nanocomposites.After optimization of the interface between polymer and inorganic nanocomposites, There is better compatibility between the material and the inorganic nano-component, and the inorganic nano-component is more evenly distributed in the polymer matrix. When the polymer matrix is melted and decomposed by frictional heat and shearing, The active inorganic nano-component can form a surface film with good tribological properties on the frictional contact surface.