| 波动载荷对C/C复合材料/铬青铜摩擦副载流摩擦磨损性能的影响 |
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| 引用本文： | 田磊,孙乐民,赵燕霞,上官宝,张永振.波动载荷对C/C复合材料/铬青铜摩擦副载流摩擦磨损性能的影响[J].润滑与密封,2011,36(11). |
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| 作者姓名： | 田磊 孙乐民 赵燕霞 上官宝 张永振 |
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| 作者单位： | 河南科技大学材料科学与工程学院 河南洛阳471003 |
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| 基金项目： | 国家973项目(2007CB607603); 国家自然科学基金项目(50975078); 973计划前期研究专项(2010CB635113); 国家重点联合基金项目(U1034002) |
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| 摘 要： | 借助于HST-100高速载流摩擦磨损试验机,研究载荷的波动大小对C/C复合材料/铬青铜摩擦副载流摩擦磨损性能的影响,利用扫描电镜对磨损表面进行观察分析。结果表明:随着载荷波动的加剧,平均电流逐渐减小,载流效率降低,离线率和电弧能量逐渐增大;C/C复合材料的摩擦因数和磨损率均呈现先减小然后增大的趋势;摩擦过程中的磨损机制逐渐由磨粒磨损转变为磨粒磨损、电气磨损共同作用。
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| 关 键 词： | 波动载荷 载流摩擦磨损 摩擦因数 磨损率 |
Effects of Fluctuating Load on Friction and Wear Property of C/C Composite/QCr0.5 under Electrical Current |
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| Tian Lei,Sun Lemin,Zhao Yanxia,Shangguan Bao,Zhang Yongzhen.Effects of Fluctuating Load on Friction and Wear Property of C/C Composite/QCr0.5 under Electrical Current[J].Lubrication Engineering,2011,36(11). |
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| Authors: | Tian Lei Sun Lemin Zhao Yanxia Shangguan Bao Zhang Yongzhen |
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| Affiliation: | Tian Lei Sun Lemin Zhao Yanxia Shangguan Bao Zhang Yongzhen (Institute of Materials Science and Engineering,Henan University of Science and Technology,Luoyang Henan 471003,China) |
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| Abstract: | The effects of fluctuating load on friction and wear property of C/C composite/QCr0.5 under electrical current were studied on the HST-100 friction and wear testing machine with electrical current,and the worn surface of the sample was characterized by scanning electron microscope.The results show that with the increase of fluctuating load,the average current reduces,the current-carrying efficiency declines,the off-line rate and the arc energy increase.The friction coefficient and wear rate of C/C composite... |
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| Keywords: | fluctuating load friction and wear with electrical current friction coefficient wear rate |
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