Title :
Process Optimization of the Tube-Plate Welding Based on MARC
Author :
Dengyu, Gai ; Yunhe, Lv ; Qingfen, Li ; Huhao, Sun ; Zhaohui, Zhang
Author_Institution :
Coll. of Mater. Sci. & Chem. Eng., Harbin Eng. Univ., Harbin, China
Abstract :
Three-dimensional thermo-mechanical FEM simulations are conducted for the tube plate welding. Different welding processes are simulated base on MARC. The optimization processes is evaluated by simulation results of welding residual stress distribution. The results shows that large welding seam, two sides alternative welding and TIG arc remelt weld toe can reduce stress center in X&Y direction. ultrasonic impact treatment has significant effects on the residual stress and introduces compressive residual stress in the welded joints.
Keywords :
arc welding; finite element analysis; internal stresses; optimisation; pipes; FEM simulations; MARC; TIG arc welding; compressive residual stress distribution; finite element analysis; process optimization; thermomechanical simulation; tube plate; ultrasonic impact treatment; Compressive stress; Computational modeling; Computer simulation; Finite element methods; Materials science and technology; Residual stresses; Solid modeling; Temperature; Tensile stress; Welding; Optimization; numerical simulation; residual stress; welding technology;
Conference_Titel :
Computer Modeling and Simulation, 2010. ICCMS '10. Second International Conference on
Conference_Location :
Sanya, Hainan
Print_ISBN :
978-1-4244-5642-0
Electronic_ISBN :
978-1-4244-5643-7
DOI :
10.1109/ICCMS.2010.441
