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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

钢铁研究学报(英文版)

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.

关键词: plasma transferred arc hardfacing;dilution;response surface methodology

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