蠕变对焊后热处理残余应力预测精度和计算效率的影响
逯世杰,王虎,戴培元,邓德安(
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Effect of Creep on Prediction Accuracy and Calculating Efficiency of Residual Stress in Post Weld Heat Treatment
LU Shijie,WANG Hu,DAI Peiyuan,DENG Dean()
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图6. 4个不同计算案例得到的纵向残余应力分布云图及中央截面焊缝附近的应力分布
Fig.6. Contours of longitudinal residual stress distribution (top) and stress distribution near weld of central section (bottom) from four different computing cases(a) Case A (as-weld) (b) Case B (as-weld and heat treatment)(c) Case C (as-weld and heat treatment with holding creep) (d) Case D (as-weld and heat treatment with all creep)
