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Contact Stress Analysis of NCD Coating on Cemented Carbide
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NETL
NSTL
Trans Tech Publications Ltd
The contact stress of cemented carbide with NCD coating in elastic contact was analyzed using ANSYS. Factors such as elastic modulus and thickness of NCD film and elastic modulus of interlayer which affect the shear stress distribution of NCD film on cemented carbide substrate were investigated. The results show that the maximum shear stress point moves towards the interface with the increase of film elastic modulus. Film thickness has a significant effect on shear stress distribution of NCD film. High shear stress develops in the film layer with the increase of film thickness. Interlayer with low elastic modulus will cause shear stress concentration in NCD film.
NCD filmcontact analysisshear stressFEM
Jiajing Yuan、Wenzhuang Lu、Dunwen Zuo、Feng Xu
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College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing, 210016
NETL
NSTL
Trans Tech Publications Ltd
