加工硬化和退火软化效应对316不锈钢厚壁管-管对接接头残余应力计算精度的影响

李索, 陈维奇, 胡龙, 邓德安

Influence of Strain Hardening and Annealing Effect on the Prediction of Welding Residual Stresses in a Thick-Wall 316 Stainless Steel Butt-Welded Pipe Joint

LI Suo, CHEN Weiqi, HU Long, DENG Dean

表3 有限元计算案例

Table 3 Simulation cases of the Satoh test and the welded joint

Case Strain hardening model Annealing model A Isotropic Neglected B Isotropic Single-stage model with TA = 1000℃ C Isotropic New time-temperature-dependent model D Chaboche mixed isotropic-kinematic Neglected E Chaboche mixed isotropic-kinematic Single-stage model with TA = 1000℃