Erosion Resistance of TiB2 Particla Reinforced Metal Matrix Composite Coating

Jian Jun Fan; Yun Jing Song; Zhuo Xin Li

doi:10.4028/www.scientific.net/AMM.665.56

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 665Erosion Resistance of TiB2 Particla Reinforced...

Erosion Resistance of TiB₂ Particla Reinforced Metal Matrix Composite Coating

Abstract:

There are relevant reports on preparing TiB₂ particle reinforced metal matrix composite (MMC) anti-wearing coating by plasma spraying and HVOF spraying methods successfully. The research uses electric arc spraying with low cost and convenient operation to prepare four TiB₂ particle reinforced composite coatings with high bonding strength and uniform microstructure. It makes comparative study on elevated temperature erosion actions of coating and 45CT of electric arc spraying. The results indicate the coating has excellent erosion wearing resistance. TiB₂ particles in M-TiB₂ coating have small size, have good unity with metallic matrix, and are distributed on metallic matrix with high hardness relatively uniformly, and porosity of coating is low. Such MMC coating microstructure feature avoids micro-cutting of coating effectively, and reduces plastic deformation and material transfer of wearing surface. The coating has excellent erosion resistance.

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Periodical:

Applied Mechanics and Materials (Volume 665)

Pages:

56-62

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.665.56

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Online since:

October 2014

Authors:

Jian Jun Fan, Yun Jing Song, Zhuo Xin Li

Keywords:

Erosion Resistance, Metal Matrix Composite (MMC), Microstructure, TiB₂

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