石墨改性碳布复合材料湿式摩擦磨损性能研究万博manbetⅹapp_万博app怎么提钱太黑了

2012, 32(4):360-366.

石墨改性碳布复合材料湿式摩擦磨损性能研究

潘广镇 ^1,, 齐乐华 ^1,,, 付业伟 ^2,, 费杰 ^2,, 张翔 ^2,

1.?	西北工业大学机电学院, 陕西西安 710072
2.?	西北工业大学材料学院, 陕西西安 710072

通讯作者: 齐乐华, qilehua@nwpu.edu.cn

收稿日期: 2012-02-10

基金项目: The project was supported by National Natural Science Foundation of China (51102196) and Shaanxi Province Major Project of Innovation of Science and Technology (2008ZKC04-07) and Graduate Starting Seed Fund of Northwestern Polytechnical University (Z2011054).
国家自然科学基金(51102196)、陕西省重大科技创新项目(2008ZKC04-07)和西北工业大学研究生创业种子基金(Z2011054)资助.

Wet Friction and Wear Behavior of Graphite-Filled Carbon Fabric Composites

PAN Guang-zhen ^1,, QI Le-hua ^1,,, FU Ye-wei ^2,, FEI Jie ^2,, ZHANG Xiang ^2,

1.?	College of Mechanical and Electrical Engineering, Northwestern Polytechnical University, Xi'an 710072, China
2.?	College of Material Science and Engineering, Northwestern Polytechnical University, Xi'an 710072 , China

Corresponding author: QI Le-hua, qilehua@nwpu.edu.cn

Received Date: 10 Feb 2012

引用本文: 潘广镇, 齐乐华, 付业伟, 费杰, 张翔. 石墨改性碳布复合材料湿式摩擦磨损性能研究[J]. 摩擦学学报, 2012, 32(4): 360-366.

Citation: PAN Guang-zhen, QI Le-hua, FU Ye-wei, FEI Jie and ZHANG Xiang. Wet Friction and Wear Behavior of Graphite-Filled Carbon Fabric Composites[J]. TRIBOLOGY, 2012, 32(4): 360-366.

采用树脂浸渍工艺制备了石墨质量分数0%~20%的5种碳布复合材料.借助扫描电镜和湿式摩擦试验机,研究了石墨含量对其表面形貌和摩擦磨损性能的影响.实验结果表明:石墨的固体润滑作用,主要造成了制动过程中动摩擦力矩的下降,而对锁止静摩擦力矩的影响却很小;石墨可以明显降低复合材料的动摩擦系数,并有助于提高动摩擦系数的稳定性;石墨的加入有效降低了碳布复合材料和对偶的磨损率,当石墨含量为15%时复合材料的磨损率最低.引入稳定系数对动摩擦系数的稳定性进行了定量分析,当石墨含量为10%时复合材料的动摩擦系数稳定性最好.

关键词: 碳布, 石墨, 摩擦, 磨损

Five carbon fabric composites filled with graphite particulates (0%~20%) are fabricated by impregnation. The tribological properties of the carbon fabric composites are investigated on a wet friction tester and the surface morphologies are analyzed using a scanning electron microscope. Experimental results show that the addition of graphite has pronounced effect on the dynamic friction torque but much less effect on the lock-up static friction torque. With addition of graphite, the dynamic friction coefficient is significantly reduced and its stability is improved. The presence of graphite decreases the wear rates of the composites and the counterpart material. Carbon fabric composite containing 15% graphite has the lowest wear rate. The stability coefficient is introduced for quantitative analysis of dynamic friction coefficient. By quantitative analysis, the carbon fabric composites with 10% graphite exhibits the best stability of dynamic friction coefficient.

Key words: carbon fabric, graphite, friction, wear

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石墨改性碳布复合材料湿式摩擦磨损性能研究

Wet Friction and Wear Behavior of Graphite-Filled Carbon Fabric Composites

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