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Influence of Cold Spraying Process on the Bonding Strength of Ni-Al2O3-Zn Coating

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Abstract:

In this study the Ni-Al2O3-Zn coating was prepared on the surface of Q345R steel by cold spraying technique. The gas temperature, the content of Zn and the thickness of the coating were changed during spraying. The relationship between coating bond strength and three variables were studied. The results show that the bonding strength is the highest when the temperature is 400°C, the Zn content is 20% and the coating thickness is 0.5mm. It is found that the addition of Zn can significantly improve the bonding strength of the coating.

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Periodical:

Materials Science Forum (Volume 932)

Pages:

91-96

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.932.91

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Online since:

September 2018

Authors:

Xiang Gai Meng*, Xiao Yang Li, Lian Sun

Keywords:

Bonding Strength, Cold Spray

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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