| 载荷和电压对纯铜滚动载流摩擦学性能的影响 |
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| 引用本文： | 岳洋,孙逸翔,孙毓明,宋晨飞,逄显娟,张永振.载荷和电压对纯铜滚动载流摩擦学性能的影响[J].摩擦学学报,2018,38(1):67-74. |
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| 作者姓名： | 岳洋 孙逸翔 孙毓明 宋晨飞 逄显娟 张永振 |
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| 基金项目： | 国家自然科学基金项目（51405134，U1404504），中国博士后科学基金（2016M590676）和固体润滑国家重点实验室开放课题（LSL-1509）资助. |
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| 摘 要： | 基于FTM-CF100型滚动载流摩擦试验机,研究了纯铜滚动载流摩擦副在不同载荷和外加电压下的性能变化规律,并利用扫描电子显微镜、白光干涉三维形貌仪等对摩擦表面进行微观分析,揭示了稳态运行时性能变化的机理.研究表明:增加载荷和增加电压均促进粗糙接触表面发生形变,真实接触面积的增加降低了接触电阻,摩擦区域粗糙度的改善提高了动态摩擦系数和动态电阻的稳定性.但电阻热促进材料黏着,因而同一载荷下载流摩擦系数高于单纯机械摩擦系数,且随外加电压的增加持续增加.
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| 关 键 词： | 载流摩擦 滚动 摩擦系数 接触电阻 |
| 收稿时间： | 2017/8/16 0:00:00 |
| 修稿时间： | 2017/9/28 0:00:00 |
Effect of Load and Voltage on the Tribo-electric Behaviour of Rolling Cu Pairs |
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| YUE Yang,SUN Yixiang,SUN Yuming,SONG Chenfei,PANG Xianjuan and ZHANG Yongzhen.Effect of Load and Voltage on the Tribo-electric Behaviour of Rolling Cu Pairs[J].Tribology,2018,38(1):67-74. |
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| Authors: | YUE Yang SUN Yixiang SUN Yuming SONG Chenfei PANG Xianjuan and ZHANG Yongzhen |
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| Abstract: | The effects of load and voltage on the tribo-electric behaviour of rolling Cu pairs were investigated by the FTM-CF100 tribometer. The mechanism of tribo-electric performance was analyzed by scanning electron microscope and white light interference 3D profilometer. The deformation of the rough contact surface was elevated by the increase of load and applied voltage. Therefore, the contact resistance decreased due to the increase of real contact area and the stability of the dynamic friction coefficient and contact resistance was improved by the smoother surface. The adhesion of Cu occurred more easily on the tribo-electric contact surface probably because of the Joule heat, hence the friction coefficient increased with the applied voltage and was a little higher than that of mechanical rolling contact. |
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| Keywords: | tribology with current rolling friction coefficient contact resistance |
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