Structural Mechanical and Tribological Behavior of Reactive Sputtered Cr-N and Cr-V-N Films

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Abstract:

CrVN coatings between 10 and 26 at.-% V were prepared by PVD to investigate the effect of V on the properties of CrN system. The films were analysed using, DRX, X microanalysis, AFM SEM, scratch, tribometer and nanoindentation testers.The DRX spectrum shows the formation of (CrN-VN) phases and the examinations morphology show that the progressive change in the structure mode with adding V. The study of mechanical behavior shows degradation in the hardness and elastic modulus. On the other hand, the Cr-V-N film has a good wear resistance which remains lower than that of CrN film. Detachment of the Cr-V-N layer is observed at the all scratch trace while the CrN film exhibits best adhesion performance.

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Periodical:

Diffusion Foundations (Volume 18)

Pages:

27-34

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Online since:

September 2018

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