1. State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China; 2. State Key Laboratory of Advanced Forming Technology and Equipment, China Academy of Machinery Science and Technology, Beijing 100044, China; 3. National Engineering Research Center of Rubber and Plastic Sealing, Guangzhou Mechanical Engineering Research Institute Co., Ltd., Guangzhou 510700, China
Abstract:Polymer friction and wear has always been important in tribology research. Friction studies of hard material pairs such as metals and ceramics have generally focused on the lower hardness wear due to the order of magnitude difference in hardness. However, the friction can also wear the hard material surface which has led to increasing interest in the wear of hard materials by soft polymers. This paper reviews the research on the wear of hard materials by soft polymer materials for the past 70 years, and summarizes the observed wear mechanism and the factors influencing the hard material wear. This paper then summarizes the challenges and key problems for this special wear phenomenon and future research trends investigating the wear mechanism of hard material worn by soft polymers.
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