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Journal of Central South University of Technology

, Volume 11, Issue 4, pp 358–361 | Cite as

Effect of nano-size nickel particles on wear resistance and high temperature oxidation resistance of ultrafine ceramic coating

  • Gu Yi Email author
  • Xia Chang-qing 
  • Li Jia 
  • Wu An-ru 
Article

Abstract

In order to improve the wear resistance and high temperature oxidation resistance of titanium and titanium alloy, the high temperature ultra fine ceramic coating containing nano-size nickel particles was prepared by flow coat method on the surface of industrially pure titanium TB1-0. The effects of nano-size nickel particles on the wear resistance and high temperature oxidation resistance of coating substrate system were investigated through oxidation kinetics experiment and wear resistance test. The morphologies of the specimens were examined by means of optical microscopy, scanning electron microscopy and X-ray diffraction. The results show that the high temperature ultra fine ceramic coating has notable protection effect on industrially pure titanium TB1-0 from oxidation. The oxidation and wear resistance properties of the coating can be effectively improved by adding nano-size nickel particles. The oxidative mass gain of the specimen decreases from 11.33 mg · cm−2 to 5.25 mg · cm−2 and the friction coefficient decreases from 1.1 to 0.6 by adding nano-size nickel particles, and the coating containing 10% (mass fraction) nano-size nickel shows the optimum properties.

Key words

nano-size nickel particle coating oxidation resistance wear resistance 

CLC number

TB 304 TB 35 

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Copyright information

© Central South University 2004

Authors and Affiliations

  • Gu Yi 
    • 1
    Email author
  • Xia Chang-qing 
    • 1
  • Li Jia 
    • 1
  • Wu An-ru 
    • 1
  1. 1.School of Materials Science and EngineeringCentral South UniversityChangshaChina

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