Study of Coating Thickness of Cold Spray Process Using Taguchi Method

In this article, Taguchi design of experiments L 18 orthogonal array have been adopted for making the electro-conductive coatings. Process parameters selected for this study are: substrate material, type of powder feeding arrangement, stagnation gas temperature, stagnation gas pressure, and standoff...

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Bibliographic Details
Published in:Materials and manufacturing processes 2012-02, Vol.27 (2), p.185-192
Main Authors: Goyal, Tarun, Walia, Ravinderjit Singh, Sidhu, T. S.
Format: Article
Language:English
Subjects:
ANOVA
Coating
Cold spray
Signal-to-Noise ratio (s/n)
Taguchi
Thermal
Thickness
Velocity
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Summary:In this article, Taguchi design of experiments L 18 orthogonal array have been adopted for making the electro-conductive coatings. Process parameters selected for this study are: substrate material, type of powder feeding arrangement, stagnation gas temperature, stagnation gas pressure, and standoff distance. The response parameter of cold spray coatings produced is measured in terms of coating thickness. The analyses of the raw data and Signal-to-Noise (S/N) ratio of the response parameters have been performed using analysis of variance (ANOVA). The optimum process parameters are predicted on the basis of analyses of the raw data and S/N ratio. The percentage contribution of the various process parameters with reference to coating thickness as response has been predicted. The significant process parameters in decreasing order of their contribution are: standoff distance, stagnation gas temperature, substrate material, stagnation pressure of the carrier gas, and feed arrangement of the powder particles.
ISSN:1042-6914
1532-2475
DOI:10.1080/10426914.2011.564249