• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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Volume 21 Issue 2
Apr.  2008
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Article Contents
MO Jiliang, ZHU Minhao. Tribological Properties of CrN Coatings Prepared by Physical Vapor Deposition[J]. Journal of Southwest Jiaotong University, 2008, 21(2): 280-284.
Citation: MO Jiliang, ZHU Minhao. Tribological Properties of CrN Coatings Prepared by Physical Vapor Deposition[J]. Journal of Southwest Jiaotong University, 2008, 21(2): 280-284.

Tribological Properties of CrN Coatings Prepared by Physical Vapor Deposition

  • Received Date: 29 Feb 2008
  • Publish Date: 25 Apr 2008
  • Two kinds of CrN coatings were deposited on cemented carbide substrates by filtered cathodic vacuum arc(FCVA) and multi-arc ion plating(MAIP),and their tribological properties were compared on a CETR UMT-2 tribometer under reciprocating sliding.X-ray diffraction(XRD),micro-hardness and nano-indentation were performed to characterize the coatings.The wear scars of the coatings were evaluated by a surface profilometer,scanning electron microscopy(SEM) and energy dispersive X-ray spectrum(EDX).The wear mechanisms of the coatings were discussed.The CrN coatings prepared by FCVA exhibit smoother,denser and continuous coating surface,and possess higher hardness and much better wear resistance.The different microstructures of the coatings are the main cause of the difference in tribological properties for the two coatings.Combination of abrasive wear and oxidative wear is the sliding wear mechanisms for the two coatings.

     

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