引用本文:华希俊,解玄,张培耘,孙建国,王浩,符永宏.微织构自润滑表面在油介质中的摩擦学性能[J].中国表面工程,2017,30(2):35~40
HUA Xi-jun,XIE Xuan,ZHANG Pei-yun,SUN Jian-guo,WANG Hao,FU Yong-hong.Tribological Properties of Micro-textured Self-lubricating Surface in Oil Medium[J].China Surface Engineering,2017,30(2):35~40
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微织构自润滑表面在油介质中的摩擦学性能
华希俊1, 解玄1, 张培耘1, 孙建国1, 王浩2, 符永宏1
1.江苏大学 机械工程学院, 江苏 镇江 212013;2.江苏大学 知识产权中心, 江苏 镇江 212013
摘要:
为探究不同表面处理方式对试样表面摩擦学性能的影响，分别对GCr15试样表面进行激光微织构加工，光滑表面涂抹润滑油，微织构表面填充固体润滑剂，微织构表面涂抹润滑油，微织构表面填充固体润滑剂并涂抹润滑油等不同表面处理方式，在MMW-1A摩擦磨损机上进行摩擦磨损试验。同时改变试验的载荷及转速，探究在不同转速和载荷工况下，不同表面处理方式对试样摩擦因数的影响。结果表明，在干摩擦条件下，试样表面采用微织构处理并填涂固体润滑剂可使摩擦因数较光滑表面降低47.6%；在油介质中，采用微织构处理可使摩擦因数较光滑表面降低4.8%，采用微织构处理并填充固体润滑剂可使摩擦因数较光滑表面降低17.7%。且在油介质中，采用织构化处理和固体润滑结合的表面处理方法，试样摩擦因数随载荷增大而减少且逐渐趋于稳定，但随转速增大而增大。
关键词:  油介质  表面处理  微织构  固体润滑
DOI：10.11933/j.issn.1007-9289.20160810001
分类号:
基金项目:国家自然科学基金（51375211）；江苏省科技计划（SBE2015001035）；江苏省普通高校专业学位研究生实践创新计划（SJZZ16_0197）
Tribological Properties of Micro-textured Self-lubricating Surface in Oil Medium
HUA Xi-jun1, XIE Xuan1, ZHANG Pei-yun1, SUN Jian-guo1, WANG Hao2, FU Yong-hong1
1.School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu;2.Intellectual Property Research Center, Jiangsu University, Zhenjiang 212013, Jiangsu
Abstract:
The effect of different surface treatments on the tribological properties of GCr15 bearing material was investigated. Friction and wear tests by using MMW-1A friction and wear machine were conducted on the smooth surfaces, which are smooth surface lubricated with oil, micro textured surface filled with solid lubricant, micro textured surface lubricated with oil, micro textured surface filled with solid lubricant and lubricated with oil. The influence in variation of rotational speed and load on the tribological properties of the different surface treatment was also studied. Results show that the micro textured surface filled solid lubricant reduces the friction coefficient by 47.6% compared with that of the smooth surface under dry friction condition. In the oil medium, compared with the smooth surface, the micro textured surface reduces the friction coefficient by 4.8%, while the micro textured surface filled with solid lubricant reduces the friction coefficient by 17.7%. In the oil medium, the friction coefficient of the sample decreases first with the increase of the load and then gradually stabilizes with the surface treatment method, which is combined with micro texturing and solid lubrication. Moreover, the friction coefficient increases with the increase of the rotational speed.
Key words:  oil medium  surface treatment  micro-texturing  solid lubrication
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