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Process-microstructure-property relationships in controlled atmosphere plasma spraying of ceramics

Abstract : Thermal plasma spray processes with their various operating parameters can be considered a flexible technique to carry out appropriate manufacturing of advanced ceramics coatings. This paper reports on investigations dealing with plasma spraying of several ceramics powders (hydroxyapatite, Al2O3–TiO2, Al2O3, ZrO2–Y2O3 (YSZ) and Cr2O3) with suitable parameters using a ‘controlled atmosphere plasma spraying' (CAPS) system. High-pressure plasma spraying, air plasma spraying and inert plasma spraying modes were applied in order to obtain suitable microstructures in the coatings. The investigation of microstructures and phase compositions showed that high-pressure in the CAPS chamber leads to sufficient heating of the powder and have a promising coating quality.
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https://hal.archives-ouvertes.fr/hal-00164125
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Submitted on : Thursday, July 19, 2007 - 3:16:40 PM
Last modification on : Thursday, September 24, 2020 - 6:30:06 PM

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Sébastien Beauvais, Vincent Guipont, François Borit, Michel Jeandin, M. Español, et al.. Process-microstructure-property relationships in controlled atmosphere plasma spraying of ceramics. Surface and Coatings Technology, Elsevier, 2004, 183, pp.204-211. ⟨10.1016/j.surfcoat.2003.08.078⟩. ⟨hal-00164125⟩

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