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

图16 316不锈钢对接接头沿焊缝中心线的周向和轴向残余应力模拟结果与实验测量值[16,17]对比

Fig.16 Comparisons of simulated results and measurements[16,17] of hoop (a) and axial (b) residual stresses along the weld centerline (WCL) of the 316 stainless steel butt-welded pipe joint (Insets show the locations of the WCL; IS—inherent strain method, DHD—deep-hole drilling)