Control of Oxygen Concentration in Plasma Sprayed TiO_2 Coating by CO_2 Laser Irradiation(Materials, Metallurgy & Weldability)
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概要
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The effect of CO_2 laser irradiation treatment for a plasma sprayed TiO_2 coating on the crystal structure and oxygen concentration of the coating has been investigated by XRD and a measurement of the change in weight of the coatings before and after annealing in air. It was found that the laser irradiation deoxidizes the TiO_2 coating regardless of whether the irradiation atmosphere is air or argon at 1.33×10^4Pa. The re-oxidation layer was, however, observed near the coating surface when the laser irradiation atmosphere is air. The possibility of the control of oxygen concentration in the TiO_2 coating by CO_2 laser irradiation was demonstrated successfully.
- 大阪大学の論文
著者
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OHMORI Akira
Osaka University
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Shoyama H
Osaka Univ. Osaka Jpn
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Shoyama Hiroaki
Post Doctral Research Fellow
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