Research on the Decoating Effect and Microstructure of Surface Damage of High-Pressure Waterjet

Qi Guo; Xiu Jie Jia; Shuo Li; Yan Yan Nie; Shun Xin Ge

doi:10.4028/www.scientific.net/AMM.541-542.180

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 541-542Research on the Decoating Effect and...

Research on the Decoating Effect and Microstructure of Surface Damage of High-Pressure Waterjet

Abstract:

The high-pressure water jet is utilized to perform impact test on coated surfaces with different hardness. The decoating effect is measured and the surface roughness change can be tested by White-light Interferometer (WLI). Also the microstructure of surface damage after impact test is analyzed. The result shows that when utilizing high-pressure water jet to clean the coating, it’s a better choice to start at the place where the coating is broken. The gap will be enlarged rapidly and the decoating velocity will increase linearly. Otherwise, the impact of water jet will cause surface damages and generate holes of particular shape. This kind of hole is flat in the middle, then forming a sunken district and apophysis successively along the radius outwards.

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Periodical:

Applied Mechanics and Materials (Volumes 541-542)

Pages:

180-184

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.541-542.180

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Online since:

March 2014

Authors:

Qi Guo*, Xiu Jie Jia, Shuo Li, Yan Yan Nie, Shun Xin Ge

Keywords:

Decoating, Microstructure, Surface Damage, Waterjet

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* - Corresponding Author

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