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Experimental investigation on submerged arc welding of Cr-Mo-V steel
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机构：
[1] Rao, R. Venkata
[2] Kalyankar, V.D.
来源：
Rao, R.V. (ravipudirao@rediffmail.com)
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1600年
/
Springer London卷
/
69期
关键词：
Welding aspects of a high-quality Cr-Mo-V steel are investigated in the present work. Cr-Mo-V steel can be suggested as a best choice for fabrication of pressure vessels to be operated in high-temperature operating conditions. Welding of this group of steel demands very critical attention on the parameters setting of chosen welding process. Only a few researchers had carried out research on the optimization aspects of the submerged arc welding of Cr-Mo-V steel. In the present work;
complete experimental analysis is carried out on the submerged arc welding of Cr-Mo-V steel. The important input process parameters considered are welding current;
voltage;
welding speed;
and wire feed. The effect of these input parameters is studied on various responses related to weld bead geometry and few mechanical properties. Taguchi's L9 orthogonal array is used for design of experiment and the mathematical models are developed for the responses using MINITAB 15 software. The models developed are validated by conducting more experiments. Optimised parameter setting is also obtained by using a recently developed teaching-learning-based optimization algorithm. © 2013 Springer-Verlag London;
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