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Journal of Bionic Engineering

, Volume 5, Supplement 1, pp 20–27 | Cite as

Frictional Wear and Thermal Fatigue Behaviours of Biomimetic Coupling Materials for Brake Drums

  • Yu ZhaoEmail author
  • Lu-quan Ren
  • Xin Tong
  • Hong Zhou
  • Li Chen
Article

Abstract

In order to enhance frictional wear resistance and thermal fatigue resistance of brake drums, two kinds of biomimetic coupling materials are prepared by laser surface melting and laser coating technology respectively. These materials are all compounded by base metal and biomimetic coupling units, and have different coupling characteristics, such as the variation of the unit shape, different microstructures and hardness, different chemical compositions of units. The frictional wear resistance and thermal fatigue resistance of biomimetic coupling materials and gray cast iron used for brake drum are compared. The results indicate that frictional wear resistance and thermal fatigue resistance of biomimetic coupling sample is better than that of untreated sample, and among the biomimetic samples, laser coating treated sample has superior resistance to wear and thermal fatigue comparing with laser melting treated sample.

Keywords

frictional wear thermal fatigue biomimetic coupling brake drum gray cast iron 

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Copyright information

© Jilin University 2008

Authors and Affiliations

  • Yu Zhao
    • 1
    Email author
  • Lu-quan Ren
    • 1
  • Xin Tong
    • 2
  • Hong Zhou
    • 2
  • Li Chen
    • 1
  1. 1.Key Laboratory of Terrain-Machine Bionics Engineering (Ministry of Education, China)Jilin UniversityChangchunP. R. China
  2. 2.The Key Lab of Automobile Material (Ministry of Education, China)Jilin UniversityChangchunP. R. China

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