Estimation of temperature distribution on submerged arc welded plates through conical heat distribution technique
by Aniruddha Ghosh; Somnath Chattopadhyaya
International Journal of Computational Materials Science and Surface Engineering (IJCMSSE), Vol. 4, No. 4, 2011

Abstract: Submerged arc welding (SAW) process is a high quality, very high deposition rate welding process. It has lot of social and economical implications. This paper makes an attempt to uncover an important area on studies of temperature distribution during submerged arc welding because this may pave the way for application of microstructure modelling, thermal stress analysis, residual stress/distribution and welding process simulation. Temperature variation of entire plates during welding is predicted through an analytical solution which is derived from the transient multi-dimensional heat conduction of semi-infinite plate. The heat input that is applied on the plate is exactly same amount of heat lost form electric arc. Electric arc is assumed to be a moving double conical heat source with Gaussian distribution for submerged arc welding process. Good agreement between the predicted temperature distribution values and measured temperature distribution values on submerged arc welded plates are observed.

Online publication date: Thu, 23-Feb-2012

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