The Simulation of Temperature Field in Induction Welding of Composite Aluminum Alloy Thin-Walled Tube

Abstract

Welding temperature is the main factor that influences the welding quality in the high frequency induction welding of composite aluminum alloy thin-walled tubes. The finite element analysis software ANSYS was used to simulate the temperature field. One complete penetration of thin-walled tube and boundary conditions of convection and radiation as well as latent heat phase change were taken into account. Then a linear heat source is used to load and calculate the temperature distribution and to draw thermal cycle curves of welding process. Research results of the temperature filed also provided the corresponding basis for further analysis of welding stress and strain.