Numerical Evaluation of Temperature Distribution in Copper-Stainless Steel 304 Dissimilar Metals during Electron Beam Welding

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R.A. Raj
M.D. Anand

Abstract

Electron beam welding plays an important role in joining dissimilar metals. This paper describes a numerical method to find the temperature distribution in dissimilar metals during Electron Beam Welding. Copper and SS304 are considered as dissimilar metals for this study. When the high beam of electrons hits the metals, heat transfer is accomplished by a phase change due to the heat absorption in the active zone and thus the metals melts. A moving interface exists as a function of time which separates two regions of different properties. Due to the difference in physical properties of both copper and stainless steel the distribution of temperature varies in both the metal. Numerical calculations have been done to find the temperature travelled in both metals when a moving heat source acts on it.

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