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2 304L不锈钢的动态退火模型材料参数

Table 2 Material parameters in the new time-temperature-dependent annealing model for 304L stainless steel

T / oC fA b n 600 0.10 0.05 0.59 680 0.20 0.19 0.50 750 0.30 0.54 0.34 825 0.40 0.79 0.26 900 0.84 0.32 0.33 1000 1.00 0.68 0.37