张长桃,王美玲,王晓雷.表面织构对金属-聚甲醛材料摩擦副磨损行为与机理的影响[J].表面技术,2017,46(6):9-14.
ZHANG Chang-tao,WANG Mei-ling,WANG Xiao-lei.Effects of Surface Texture on Wear Behavior and Mechanism of Friction Pair Made of Metal and POM[J].Surface Technology,2017,46(6):9-14
表面织构对金属-聚甲醛材料摩擦副磨损行为与机理的影响
Effects of Surface Texture on Wear Behavior and Mechanism of Friction Pair Made of Metal and POM
投稿时间:2017-01-05  修订日期:2017-06-20
DOI:10.16490/j.cnki.issn.1001-3660.2017.06.002
中文关键词:  表面织构  聚甲醛  磨损率  磨损形貌  磨屑形态  磨损机理
英文关键词:surface texture  POM  wear rate  surface morphology  wear debrismorphology  wear mechanism
基金项目:南京航空航天大学研究生创新基地(实验室)开放基金(KFJJ20150504);中央高校基本科研业务费专项资金;江苏省自然科学基金-青年项目(BK20150741);江苏省“双创博士”计划
作者单位
张长桃 南京航空航天大学 江苏省精密与微细制造技术重点实验室,南京 210016 
王美玲 南京航空航天大学 江苏省精密与微细制造技术重点实验室,南京 210016 
王晓雷 南京航空航天大学 江苏省精密与微细制造技术重点实验室,南京 210016 
AuthorInstitution
ZHANG Chang-tao Jiangsu Key Laboratory of Precision and Micro-manufacturing Technology,Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China 
WANG Mei-ling Jiangsu Key Laboratory of Precision and Micro-manufacturing Technology,Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China 
WANG Xiao-lei Jiangsu Key Laboratory of Precision and Micro-manufacturing Technology,Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China 
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中文摘要:
      目的 研究表面织构对金属-聚甲醛(POM)摩擦副磨损行为和机理的影响。方法 通过光刻-电解的方法加工出带有不同参数凹坑的不锈钢试样与聚甲醛(POM)材料配副,在万能摩擦磨损试验机上进行摩擦磨损实验,以评价其摩擦学性能。利用光学显微镜、三维形貌仪和SEM对磨损后的表面形貌以及磨屑形态进行观察分析。结果 凹坑深度为5 μm、面积率为10%时,减磨效果最明显,磨损率相比无织构试样下降了36.2%。凹坑深度为10 μm时,表面织构的引入起到了增大磨损的效果。结论 合适参数的表面织构能够有效减小大面积的材料粘着转移现象,对摩擦副具有良好的减磨效果。不恰当的表面织构参数会在凹坑边缘引发严重的应力集中现象,导致不锈钢试样对软材料微切削作用产生,这也是材料磨损率急剧增大的原因。
英文摘要:
      The work aims to study the effects of surface texture on wear behavior and mechanism of friction pair made of metal and POM. Lithography-electrolytic technology was applied to fabricate pairs of stainless steel specimen and POM with dimples in different parameters. Friction-wear tests were carried out ona MMW-1 friction tester to study tribological properties. Surface morphologyand wear debris morphologyof the worn mating surfaces were observed and analyzedwithan optical microscope, 3D surface profiler and SEM.Wear rate of the friction pair was the lowest at the dimple depth of 5 μm and area density of 10%, which decreased by 36.2% compared to un-textured pairs. The wear rate was increased by introduction of the surface texture at the dimple depth of 10 μm. Surface texture with appropriate parameters can reduce POM transfer and wear effectively,while surface texture with improper parameters can cause stress concentration around the edges of dimples, thus resulting in sharp increase of wear rate.
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