Cavitation Erosion Resistance of Ti-Ni Intermetallic Coatings Prepared by Low Pressure Plasma Spray Process

Qiu Sheng Lin; Ke Song Zhou; Chun Ming Deng; Chang Guang Deng; Zi Qi Kuang; Wei Zeng

doi:10.4028/www.scientific.net/AMR.1058.265

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1058Cavitation Erosion Resistance of Ti-Ni...

Cavitation Erosion Resistance of Ti-Ni Intermetallic Coatings Prepared by Low Pressure Plasma Spray Process

Abstract:

In the current work, low pressure plasma spray process (LPPS) was applied to deposit Ti-Ni intermetallic coatings with Ni-clad Ti powder as feedstock. The microstructure and phase transition of LPPS sprayed Ti-Ni coating were investigated. Cavitation erosion resistance was examined using a standard ultrasonic cavitation test. The coating mainly consisted of TiNi phase with a certain amount of Ti₂Ni, Ni₃Ti phase and a few Ti phase. A few pores concentrated on the boundaries of the sprayed splats. The TiNi coating exhibited excellent cavitation erosion resistance.

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Periodical:

Advanced Materials Research (Volume 1058)

Pages:

265-269

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1058.265

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Online since:

November 2014

Authors:

Qiu Sheng Lin*, Ke Song Zhou, Chun Ming Deng, Chang Guang Deng, Zi Qi Kuang, Wei Zeng

Keywords:

Cavitation Erosion Resistance, LPPS, Ti-Ni Intermetallic Coating

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