Abstract No.:	1311
Title:	Atmospheric plasma spray process control
Authors:	Abdoul-Fatah Kanta / LERMPS - UTBM, France Ghislain Montavon* / SPCTS - University fo Limoges, France Marie-Pierre Planche/ LERMPS-UTBM, France Christian Coddet/ LERMPS-UTBM, France
Abstract:	Parametric drifts and fluctuations occur during plasma spraying. These drifts and fluctuations originate especially from the electrode wear and intrinsic plasma jet instabilities. To control the manufacturing process, one of the challenges nowadays is to recognize parameter interdependencies, correlations and individual effects on the in-flight particle characteristics. This control is needed through the consideration of a methodology that takes into account the parameter interdependencies, the process variability and offers the ability to quantify the processing parameter-process response relationships. Artificial intelligence is a promising concept for this field. This approach is implemented to control and regulate the atmospheric plasma spray processing parameters to the in-flight particle characteristics. The specific case of predicting plasma power spray process parameters to manufacture grey alumina (Al2O3-TiO2, 13% by wt.) coatings was considered and the influence of the plasma spray process on the in-flight particle characteristics was investigated.

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