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《China Mechanical Engineering》 2016-17
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Research on Wideband Emissivity of End-face Sliding Friction Pair Interfaces

Wei Wei;Yu Jianwei;Wang Lifei;Gao Genghu;Yu Xiaofen;Hefei University of Technology;Chery Automobile Co.,Ltd.;  
In order to investigate the wideband emissivity changing rules of the sliding contact interfaces during the friction,a set of experiments were conducted.Taking the end-face sliding interface as the study object,its wideband emissivity after different friction times was measured using thermal imager and self-made device under constant load,constant velocity and molybdenum disulfide grease lubrication.The change regulation of the emissivity was used to correct the brightness temperature obtained by infrared thermometer.The measurement results of the wideband emissivity show a comparatively accurate ones of the self-made devices.The emissivity of the friction contact interface(with lubricating grease and abrasive dust)fluctuates within a certain range in general,and decreases firstly and then increases during the friction processes.The correction of the brightness temperature shows a high precision in the stable friction stage.
【Fund】: 国家自然科学基金资助项目(51075114)
【CateGory Index】: TH117.1
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