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Proceedings Paper

Analysis of the scattering characteristics of a rough surface with thermal sprayed coating
Author(s): Chenbo Zhou; Wenying Yu; Zhaokun Meng
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Paper Abstract

The optical scattering characteristics of two kinds of the rough costing surface with different materials ZrO2 8Y2O3 and NiCrAlY applied the plasma-thermal spraying are studied in this paper. The micrographs with different magnification of the thermal sprayed coating surfaces have been taken by a scan electron microscope (SEM). In addition, the intensity distribution of the spatial scattering has also been gotten using an He-Ne laser beam to irradiate the rough surface of the plasma-sprayed coating and compared with others spatial scattering out of reflection spot of a smooth glass plane. The experiment results shown that different coating material and the plane have different scattering distribution in space and can use a laser system with Gauss-shaped which have different light spot diameter to project on the rough surface of the thermal sprayed coating to measure some parameters.

Paper Details

Date Published: 6 October 2000
PDF: 7 pages
Proc. SPIE 4231, Advanced Optical Manufacturing and Testing Technology 2000, (6 October 2000); doi: 10.1117/12.402747
Show Author Affiliations
Chenbo Zhou, Yantai Univ. (China)
Wenying Yu, Yantai Univ. (China)
Zhaokun Meng, Yantai Univ. (China)


Published in SPIE Proceedings Vol. 4231:
Advanced Optical Manufacturing and Testing Technology 2000
Li Yang; Harvey M. Pollicove; Qiming Xin; James C. Wyant, Editor(s)

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