Surface treatment of plasma-sprayed ceramic coatings by a laser beam

A CO 2 laser beam with a power of 2000 W has been employed to modify the surface layer of a few plasma-sprayed alumina and zirconia coatings. The effect of the laser treatment for the coatings was examined by the use of several microanalytical techniques. We found that the coating layer became more...

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Bibliographic Details
Published in:Surface & coatings technology 1988, Vol.34 (1), p.59-67
Main Authors: Iwamoto, Nobuya, Umesaki, Norimasa, Katayama, Yoshihiko, Kuroki, Hironori
Format: Article
Language:English
Subjects:
Applied sciences
ceramics
coatings
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
laser beam applications
Materials science
Metals, semimetals and alloys
Metals. Metallurgy
Nonmetallic coatings
Physics
Production techniques
Specific materials
spraying
surface properties
Surface treatment
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Summary:A CO 2 laser beam with a power of 2000 W has been employed to modify the surface layer of a few plasma-sprayed alumina and zirconia coatings. The effect of the laser treatment for the coatings was examined by the use of several microanalytical techniques. We found that the coating layer became more dense as a result of the laser treatment. We also verified that the crystal phases in the coating layer were controlled by the laser treatment.
ISSN:0257-8972
1879-3347
DOI:10.1016/0257-8972(88)90089-8