Prediction of Delta Ferrite Content and Effect of Welding Process Parameters in Claddings by FCAW |
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Authors: | P. K. Palani N. Murugan |
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Affiliation: | a Faculty of Mechanical Engineering, Government College of Technology, Coimbatore, Indiab Professor of Mechanical Engineering, Coimbatore Institute of Technology, Coimbatore, India |
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Abstract: | This article discusses the influence of welding process parameters on the content of delta ferrite in the claddings of AISI 317L, deposited onto IS: 2062 structural steel plate by the flux cored arc welding (FCAW) process. Measurement of delta ferrite within the cladding often gives important insight into the future mechanical and corrosion resistant behavior of the cladded structures. To predict and control the amount of residual ferrite, regression models were developed in terms of process parameters, using the data obtained from experiments. The experiments were conducted by using a central composite rotatable design of experiments. The study revealed that the cladding process parameters have influence over the formation of delta ferrite. |
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Keywords: | Austenitic stainless steel Cladding Delta-ferrite Dilution Feritscope Ferrite number Flux cored arc welding Heat input Hot cracking Interaction effects Optimization Percent ferrite Process parameters Response surface methodology Sigma phase |
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