SUS316不锈钢马鞍形管-管接头的残余应力数值模拟及高效计算方法开发

骆文泽, 胡龙, 邓德安

Numerical Simulation and Development of Efficient Calculation Method for Residual Stress of SUS316 Saddle Tube-Pipe Joint

LUO Wenze, HU Long, DENG Dean

表2 各焊道焊接速率、热输入及电弧效率

Table 2 Welding speed, heat input, and arc efficiency of each bead

Layer number Bead number Welding speed / (mm·min-1) Heat input / (kJ·cm-1) Arc efficiency 1 1 48.5 7.2 0.57 2, 3 2-5 103.4-127.6 7.1-12.1 0.7 4-11 6-28 151.5-192.6 15.7-16.7 0.7 12-14 29-40 216.1-216.6 13.5-13.7 0.7 15, 16 41-51 225.5-249.7 11.8-12.9 0.7