Surface roughness optimization of cold-sprayed coatings using Taguchi method

In this paper, Taguchi L 18 orthogonal array have been employed for depositing the electro-conductive coatings by varying various process parameters, i.e., substrate material, type of powder feeding arrangement, stagnation gas temperature, stagnation gas pressure, and stand-off distance. The respons...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2012-05, Vol.60 (5-8), p.611-623
Main Authors: Goyal, Tarun, Walia, Ravinderjit Singh, Sidhu, T. S.
Format: Article
Language:English
Subjects:
CAE) and Design
Carrier gases
Coatings
Cold spraying
Computer-Aided Engineering (CAD
Engineering
Gas pressure
Gas temperature
Industrial and Production Engineering
Mechanical Engineering
Media Management
Optimization
Order parameters
Original Article
Orthogonal arrays
Process parameters
Signal processing
Signal to noise ratio
Sprayed coatings
Stagnation pressure
Stagnation temperature
Substrates
Surface roughness
Taguchi methods
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Summary:In this paper, Taguchi L 18 orthogonal array have been employed for depositing the electro-conductive coatings by varying various process parameters, i.e., substrate material, type of powder feeding arrangement, stagnation gas temperature, stagnation gas pressure, and stand-off distance. The response parameter of the coatings so produced is measured in terms of surface roughness. The optimum process parameters are predicted on the basis of analyses (ANOVA) of the raw data and signal to noise ratio. The significant process parameters in order of their decreasing percentage contribution are: stagnation pressure, stand-off distance, substrate material, stagnation temperature of the carrier gas, and feed arrangement of the powder particles, respectively.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-011-3642-6