Effect of Soot and Dust Particles on Fretting Wear Properties of Copper under Electrical Contact
摘 要
采用球/平面接触方式,在自制的电接触磨损试验设备上对紫铜进行电接触微动磨损试验,研究了表面附着的烟炱和灰尘颗粒对紫铜电接触微动磨损性能的影响。结果表明:表面附着灰尘颗粒时的接触电阻远高于附着烟炱颗粒的;烟炱颗粒具有减摩作用,其附着数量的增加会降低试样的摩擦因数,灰尘颗粒则相反;烟炱和灰尘颗粒的引入均延缓了试样的微动磨损,磨痕宽度、磨痕深度和磨损量均与附着颗粒的数量呈负相关。
Abstract
By the ball/plane contact method, fretting wear tests under electrical contact were conducted on copper with a self-developed electrical contact wear test setup. The effect of surface-attached soot and dust particles on the fretting wear property of the copper under electrical contact was studied. The results show that the contact resistance with dust particles on surfaces was much higher than that with soot particles on surfaces. The soot particles had an antifriction effect; increasing the number of soot particles reduced the friction coefficient. The dust particles had the opposite effect. Introducing both the soot and the dust particles reduced the fretting wear of the samples; the width and depth of the wear scar, and the amount of wear were all negatively related to the number of particles attached.
中图分类号 TM501 TG115.5 DOI 10.11973/jxgccl201912003
所属栏目 试验研究
基金项目 国家自然科学基金资助项目(U1730131);四川省青年科技创新研究团队项目(2017TD0017)
收稿日期 2018/12/6
修改稿日期 2019/11/14
网络出版日期
作者单位点击查看
备注王朋关(1992-),女,河南安阳人,硕士研究生
引用该论文: WANG Pengguan,CAO Zhongqing,CHEN Haichao,PENG Jinfang,CAI Zhenbing. Effect of Soot and Dust Particles on Fretting Wear Properties of Copper under Electrical Contact[J]. Materials for mechancial engineering, 2019, 43(12): 12~18
王朋关,曹中清,陈海超,彭金方,蔡振兵. 烟炱和灰尘颗粒对紫铜电接触微动磨损性能的影响[J]. 机械工程材料, 2019, 43(12): 12~18
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【2】吕阳.环境污染物对电接触和电子设备防护可靠性的影响研究[D].北京:北京邮电大学,2016.
【3】冯萃峰.失效手机电接触故障表面的污染物特性及形成机理[D].北京:北京邮电大学,2010.
【4】刘宏达.尘土中几种典型成分对电接触性能的影响[D].北京:北京邮电大学,2011.
【5】ZHANG J G. Effect of dust contamination on electrical contact failure[C]//Electrical Contacts:2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts. Pittsburgh:IEEE, 2007:9983947.
【6】王浩.硬质颗粒及有机污染物对电触点可靠性影响的实验研究[D].北京:北京邮电大学,2010.
【7】周怡琳, 王鹏, 葛世超, 等. 长期贮存航天电连接器尘土污染的研究[J]. 电工技术学报, 2014, 29(7):269-276.
【8】BRAUNOVIC M, MYSHKIN N K, KONCHITS V V. Electrical contacts:Fundamentals, applications and technology[M]. Boca Raton:CRC press, 2006.
【9】郭凤仪, 任志玲, 马同立, 等. 滑动电接触磨损过程变化的实验研究[J]. 电工技术学报, 2010, 25(10):24-29.
【10】LIU X L, CAI Z B, LIU S B, et al. Effect of roughness on electrical contact performance of electronic components[J]. Microelectronics Reliability, 2017, 74:100-109.
【11】李正阳. 贫铀及其Ti/TiN多层涂层的切向微动磨损性能研究[D]. 成都:西南交通大学, 2017.
【12】ZHU M H, ZHOU Z R. On the mechanisms of various fretting wear modes[J]. Tribology International, 2011, 44(11):1378-1388.
【13】TRINH K E, TSIPENYUK A, VARENBERG M, et al. Wear debris and electrical resistance in textured Sn-coated Cu contacts subjected to fretting[J]. Wear, 2015, 344/345:86-98.
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