Using response surface methodology for optimizing deposited partially stabilized zirconia in plasma spraying |
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Authors: | Bor-Tsuen Lin Jyh-Horng Chou |
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Institution: | a Department of Mechanical and Automation Engineering, National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan b Department of Electrical Engineering, Yung -Ta Institute of Technology & Commerce, 316 Chunshan Rd, Lin-Lo, Ping-Tung 909, Taiwan, ROC |
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Abstract: | This paper presents the application of the surface response methodology and fractional factorial experiment in developing a robust partially stabilized zirconia (PSZ) coating in plasma spraying processes. In this study, a two-step experimental design with a nonlinear regression model is proposed. After conducting a series of initial experiments in a controlled environment, significant factors for plasma spraying processes are selected to construct an appropriate response surface model for developing a robust performance for plasma spraying processes.The experimental results show that using a quadric response surface model with the proposed two-step design strategy is a simple, effective and efficient approach. In the optimized model, several response plots were generated to examine parameter effects on the profile hardness. Optimization of the PSZ performances in a plasma spray process has been performed. |
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Keywords: | Response surface model Fractional factorial design Partially stabilized zirconia (PSZ) Plasma spraying Analysis of variance |
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