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材料工程  2015, Vol. 43 Issue (9): 39-45    DOI: 10.11868/j.issn.1001-4381.2015.09.007
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
45钢的黏结型激光微织构表面摩擦学性能及固体润滑机理分析
华希俊, 王蓉, 周万, 刘凯, 符永宏, 纪敬虎
江苏大学 机械工程学院, 江苏 镇江 212013
Analysis of Tribological Property and Mechanism of Solid Lubrication on 45 Steel Bond-type Laser Micro-textured Surface
HUA Xi-jun, WANG Rong, ZHOU Wan, LIU Kai, FU Yong-hong, JI Jing-hu
School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
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摘要 采用二极管泵浦声光调Q Nd:YAG激光器在45钢表面进行织构化处理,对填充不同质量分数聚酰亚胺(PI)的MoS2复合固体润滑剂织构试样在销-盘线接触摩擦磨损试验机上进行了不同工况下的滚动摩擦性能实验。利用扫描电子显微镜观察和分析材料磨损形貌和元素分布。结果表明:填充黏结型MoS2复合固体润滑剂织构表面的摩擦因数均随着载荷和转速的增大而减小,其中MoS2+20%(质量分数)PI复合润滑剂具有最佳的减摩性能。在线接触滚动过程中,存在氧化磨损、磨粒磨损和黏着磨损。高速重载能促进转移膜在对偶面形成,显示出良好的减摩性能。
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华希俊
王蓉
周万
刘凯
符永宏
纪敬虎
关键词 激光织构复合固体润滑剂线接触滚动摩擦    
Abstract:Q switched diode-pumped solid-state Nd: YAG laser was adopted to carry out texture processing on the surface of 45 steel. Rolling friction property test of textured samples filled with MoS2 composite solid lubricant containing different mass fractions of PI was examined by a pin-plate line contact friction and wear tester under different working conditions. Wear morphologies and elements distribution were observed and analyzed by SEM. The results indicate that the friction coefficient of textured surface which is filled with bond-type MoS2 solid lubricant decreases as the load and speed increase, and the composite lubricant containing MoS2 plus 20%(mass fraction) PI has the best anti-friction property. The textured surfaces exist oxidation wear, abrasive wear and adhesive wear in the condition of line contact rolling. High speed and heavy load can promote transfer films forming on the counterpart face, and show good anti-friction performance.
Key wordslaser texture    composite solid lubricant    line contact    rolling friction
收稿日期: 2014-05-08      出版日期: 2015-09-26
中图分类号:  TH117.1  
通讯作者: 华希俊(1966-),男,教授,工学博士,主要从事激光表面改性与摩擦学设计、固体润滑等方面的研究,联系地址:江苏省镇江市京口区学府路301号江苏大学机械工程学院(212013),E-mail:xjhua@ujs.edu.cn     E-mail: xjhua@ujs.edu.cn
引用本文:   
华希俊, 王蓉, 周万, 刘凯, 符永宏, 纪敬虎. 45钢的黏结型激光微织构表面摩擦学性能及固体润滑机理分析[J]. 材料工程, 2015, 43(9): 39-45.
HUA Xi-jun, WANG Rong, ZHOU Wan, LIU Kai, FU Yong-hong, JI Jing-hu. Analysis of Tribological Property and Mechanism of Solid Lubrication on 45 Steel Bond-type Laser Micro-textured Surface. Journal of Materials Engineering, 2015, 43(9): 39-45.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2015.09.007      或      http://jme.biam.ac.cn/CN/Y2015/V43/I9/39
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