论文信息 - Numerical analysis of residual stresses in welds of similar or dissimilar steel weldments under superimposed tensile loads

Numerical analysis of residual stresses in welds of similar or dissimilar steel weldments under superimposed tensile loads

Abstract This paper presented the characteristics of residual stresses in welds of similar or dissimilar steel weldments by carrying out three-dimensional (3-D) thermal elastic–plastic finite element (FE) analyses. Moreover, residual stress behavior in welds of the weldments under superimposed tensile loads was further investigated. The materials used in this investigation were SM400, SM490, SM520 and SM570, widely used structural steels in welded structure. Results show that the maximum longitudinal residual stresses in welds of the similar steel weldments increase with increasing yield stress of the steel welded (SM400

Kyong-Ho Chang | Chin-Hyung Lee | K. Chang | C. Lee

[1] Hidekazu Murakawa,et al. Determination of welding deformation in fillet-welded joint by means of numerical simulation and comparison with experimental measurements , 2007 .

[2] Pedro V. Marcal,et al. A NUMERICAL THERMO-MECHANICAL MODEL FOR THE WELDING AND SUBSEQUENT LOADING OF A FABRICATED STRUCTURE , 1973 .

[3] Shuvra Das,et al. Practical numerical analysis of a crack near a weld subjected to primary loading and hydrogen embrittlement , 2006 .

[4] C. Q. Lee,et al. Characteristics of High Temperature Tensile Properties and Residual Stresses in Weldments of High Strength Steels , 2006 .

[5] Tso-Liang Teng,et al. Effect of welding sequences on residual stresses , 2003 .

[6] Chitoshi Miki,et al. High strength and high performance steels and their use in bridge structures , 2002 .

[7] Lennart Karlsson,et al. Deformations and Stresses in Butt-Welding of Large Plates With Special Reference to the Mechanical Material Properties , 1985 .

[8] J. Goldak,et al. Computer modeling of heat flow in welds , 1986 .

[9] Zhiyong Chen,et al. Texture decomposition with particle swarm optimization method , 2006 .

[10] B. L. Josefson,et al. A parametric study of residual stresses in multi-pass butt-welded stainless steel pipes , 1998 .

[11] Thomas Zacharia,et al. Numerical analysis of GTA welding process with emphasis on post-solidification phase transformation effects on residual stresses , 1998 .