Deposition Process and Interface Properties of Electro-Thermal Explosion Sprayed WC/Co Coating

Xiu Fang Cui; Guo Jin; Qing Fen Li

doi:10.4028/www.scientific.net/KEM.525-526.269

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 525-526Deposition Process and Interface Properties of...

Deposition Process and Interface Properties of Electro-Thermal Explosion Sprayed WC/Co Coating

Abstract:

The deposition process and interface properties of electro-thermal explosion sprayed WC/Co coating were studied by numerical simulation and experimental observation in this paper. The variety rule of the deposition particles / metal substrates interface temperature, the critical remelting condition of the substrates surface, and the interface removment speed of deposition particles were numerical simulated by finite element method. Results show that the remelting depth of the substrate increased with increasing spraying particle temperature and particle size. Structures and interface properties of the electro-thermal explosion sprayed WC/Co coating was analysed based on the numerical results. The morphologies, AES patterns, element distributions, TEM micrographs were experimentally observed and compared with the simulatin results. Which show that the finite element analysis is in good agreement with the experimental results, suggesting that the analysis in the present work is reliable.

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Periodical:

Key Engineering Materials (Volumes 525-526)

Pages:

269-272

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.525-526.269

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Cite this paper

Online since:

November 2012

Authors:

Xiu Fang Cui, Guo Jin, Qing Fen Li

Keywords:

Deposition Process, Electro-Thermal Explosion Spraying, Interface Properties, WC/Co Coating

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