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Research on Influences of Sedimentation Time and Target Current Ratio on Wear Resistance of Magnetron Sputtering TiAlN Coating
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Key Laboratory of Surface Functional Structure Manufacturing of Guangdong High Education Institutes,School of Mechanical and Automotive Engineering,South China University of Technology,Key Laboratory of Surface Functional Structure Manufacturing of Guangdong High Education Institutes,School of Mechanical and Automotive Engineering,South China University of Technology,School of Mechanical and Automotive Engineering, South China University of Technology,Key Laboratory of Surface Functional Structure Manufacturing of Guangdong High Education Institutes,School of Mechanical and Automotive Engineering,South China University of Technology,Key Laboratory of Surface Functional Structure Manufacturing of Guangdong High Education Institutes,School of Mechanical and Automotive Engineering,South China University of Technology,Key Laboratory of Surface Functional Structure Manufacturing of Guangdong High Education Institutes,School of Mechanical and Automotive Engineering,South China University of Technology

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National Nature Science Foundation of China (No.51275180),major state basic research development program (973) (2011CB710703),Fundamental Research Funds for the Central Universities, SCUT(2013ZZ017)

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    Abstract:

    A TiAlN coating on the surface of a WC-8Co cemented carbide matrix with thicknesses ranging from 2.5 to 3.5 μm and different ratios of TiAl composition was manufactured by means of magnetron sputtering. The carrying capacity and tribological properties of the coating were investigated on a friction-wear testing machine; the microstructure of the coating was observed by using scanning electron microscopy. The tribiological properties of TiAlN coatings of different composition and thickness were evaluated through the friction coefficient and the evolution of microstructure. The results show that when the coating thickness increases, the friction coefficient decreases, and the coating will not easily wear out, suggesting that it is beneficial to improve the wear resistance of a coating by increasing its thickness in a certain range. If the composition of the coating changes, its friction performance will vary due to the different effects of Ti and Al. is 50:50, the wear resistance of the coating is best.

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[Yong Tang, Bo MA, bin liu, Wei Yuan, Binhai Yu, Longsheng Lu. Research on Influences of Sedimentation Time and Target Current Ratio on Wear Resistance of Magnetron Sputtering TiAlN Coating[J]. Rare Metal Materials and Engineering,2016,45(12):3057~3061.]
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History
  • Received:October 30,2015
  • Revised:April 19,2016
  • Adopted:April 27,2016
  • Online: February 06,2017
  • Published: