北京航空航天大学学报 ›› 2001, Vol. 27 ›› Issue (2): 206-208.

• 论文 • 上一篇    下一篇

电摩擦效应的机理研究

朱润生, 池长青, 张建斌   

  1. 北京航空航天大学 机械工程及自动化学院
  • 收稿日期:1999-12-02 出版日期:2001-02-28 发布日期:2010-09-27
  • 作者简介:朱润生(1963-),男,江西丰城人,博士生,100083,北京.
  • 基金资助:

    国家自然科学基金资助项目(59675030)

Study on Mechanism of Electro-friction Effect

ZHU Run-sheng, CHI Chang-qing, ZHANG Jian-bin   

  1. Beijing University of Aeronautics and Astronautics, School of Mechanical Engineering and Automation
  • Received:1999-12-02 Online:2001-02-28 Published:2010-09-27

摘要: 边界润滑状态时铁磁流体的摩擦系数在直流电场作用下发生有规律的变化.本文根据直流电流产生的电场和磁场对边界润滑状态下铁磁流体摩擦力的不同作用,提出了电场控制摩擦系数的作用机理,进行了测量摩擦副间法向相对微小位移的实验.测量结果验证了机理分析的正确性.

Abstract: The friction coefficient of ferromagnetic flow under boundary lubrication exhibits regular change in the presence of applied direct electric fields. The diverse effect of electric potential and magnetic field generated by direct electric current on the friction of ferromagnetic flow under boundary lubrication was investigated, and control mechanism of electric field acting on friction coefficient was proposed. An experiment to measure the micro displacement between the contacting surface of both pin and disk was conducted. The result of measurement verified the validity of proposed mechanism.

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