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Effect of modulation structure on mechanical properties of Ti-TiN-Zr-ZrN multilayer films
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1.Guangdong Institute of New Materials,National Engineering Laboratory for Surface Engineering Technology,The Key Lab of Guangdong for Modern Surface Engineering Technology;2.Shenzhen Polytechnic College

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    Abstract:

    Ti-TiN-Zr-ZrN multilayer films were deposited on TC11 titanium alloy and Si wafer by vacuum cathodic arc ion plating technology. The Ti-TiN-Zr-ZrN multilayer films with different modulation periods, different RTi/TiN:RZr/ZrNmodulation ratio and different thickness. The structure and performance of the multilayer films, especially residual stress were investigated by various analytical methods including scanning electron microscopy (SEM), X-ray diffraction(XRD), micro-hardness tester, scratch adhesion tester and stress gauge. The results show that increasing the modulation period, residual stress decreased, adhesive strength and hardness were increased. Reduce the modulation of RTi/TiN:RZr/ZrN modulation ratio, is residual stress and hardness increases, the adhesive strength decreased. Increasing the thickness of multilayer films, residual stress increased slightly, adhesion and hardness are improved. the film’s hardness around at 30Gpa when it’s thickness up to 7.54μm.

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[Lin Songsheng, Zhou Kesong, Feng Chengcheng, Dai Mingjiang, Shi Qian, Zhao Shengsheng. Effect of modulation structure on mechanical properties of Ti-TiN-Zr-ZrN multilayer films[J]. Rare Metal Materials and Engineering,2018,47(11):3468~3472.]
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History
  • Received:January 18,2017
  • Revised:February 10,2017
  • Adopted:February 20,2017
  • Online: December 19,2018
  • Published: