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Modeling of contact temperatures and their influence on the tribological performance of PEEK and PTFE in a dual-pin-ondisk tribometer

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Friction 2023年第4期11卷 546-566页

作者： Zhibin LIN Ting QU Ke ZHANG Qingbin ZHANG Shengdao WANG Guibin WANG Bingzhao GAO Guowei FAN State Key Laboratory of Automotive Simulation and Control Jilin UniversityChangchun 130025China Key Laboratory of High Performance Plastics Ministry of EducationJilin UniversityChangchun 130012China Clean Energy Automotive Engineering Center Tongji UniversityShanghai 201804China College of Instrumentation and Electrical Engineering Jilin UniversityChangchun 130061China

The direct blending of polyether ether ketone(PEEK)with a solid lubricant such as polytetrafluoroethylene(PTFE)improves its tribological performance,but compromises its outstanding mechanical properties and *** these negative effects might be circumvented via the hybrid wear method,the influence of the contact temperature between multiple sliding components acting together is not fully ***,an analytical temperature model considering the influence of both micro-and macro-thermal behavior is extended to predict the contact temperature of a dual-pin-on-disk hybrid wear *** interactions between several heat sources are investigated and experimentally *** analytical results show that the nominal temperature rise of the shared wear track is determined by the combined effect of the heat generated by both pin components,while the rise in flash temperature at the region in contact with each pin component is dependent upon its individual characteristics and working ***,while different temperature peaks can coexist in the shared wear track,the maximum value dominates the performance of the *** the experimentally investigated PEEK–PTFE–steel hybrid wear system,the formation of tribofilms is blocked,and the hybrid wear system fails,when the peak temperature exceeds the glass transition temperature of both pins due to an increase in applied load.

关键词： contact temperature frictional heating dual-pin-on-disk hybrid wear

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