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| Application of Response Surface Methodolody to Prediction of Dilution in Plasma Transferred Arc Hardfacing of Stainless Steel on Carbon Steel |
| V Balasubramanian,A K Lakshminarayanan,R Varahamoorthy,S Babu |
| Centre for Materials Joining and Research (CEMAJOR), Department of Manufacturing Engineering, Annamalai University, Annamalai Nagar 608002,Tamil Nadu, India |
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Abstract The application of response surface methodology was highlighted to predict and optimize the percentage of dilution of iron��based hardfaced surface produced by the PTA (plasma transferred arc welding) process. The experiments were conducted based on five��factor five��level central composite rotatable design with full replication technique and a mathematical model was developed using response surface methodology. Furthermore, the response surface methodology was also used to optimize the process parameters that yielded the lowest percentage of dilution.
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Received: 01 January 1900
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2009, Vol. 16 
