Hertzian Contact Analysis of Ceramic/Metal Functionally Graded Coating

Xiao Hui Dong; Hong Wei Zhang; Lei Wang

doi:10.4028/www.scientific.net/AMR.787.582

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 787Hertzian Contact Analysis of Ceramic/Metal...

Hertzian Contact Analysis of Ceramic/Metal Functionally Graded Coating

Abstract:

A finite element model with functionally graded materials is established. Furthermore, the distributions of the maximum contact stresses on monolithic substrates under Hertz contact conditions have been analyzed. The effect of the coating thickness is obtained by single-layer coating systems. With increasing the coating thickness, the distribution of maximum radial stress is moved from the coating surface to coating/substrate interface. Meanwhile, the depth of maximum shear stress is moved away from the interface. The location of the maximum shear stress within the multilayer coating systems is not changed. The deformation of the model is more serious with the increase of the applied load.The results can provide some insights regarding the design of the graded coatings in the engineering application.

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Periodical:

Advanced Materials Research (Volume 787)

Pages:

582-587

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.787.582

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Online since:

September 2013

Authors:

Xiao Hui Dong, Hong Wei Zhang, Lei Wang

Keywords:

Contact Stress, Finite Element Method (FEM), Functionally Graded Material (FGM), Hertzian Contact

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