Secondly, the influence of solidification shrinkage was considered by increasing thermal expansion coefficients of elevated temperature.

其次, 通过加大材料的线膨胀系数,考虑了凝固收缩对熔池尾部应力应变场的影响,最终得到了各种条件下的焊接应力-应变场.

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The strength theory, dendritic bridging theory, solidification shrinkage reparing theory and CSC criterion, HCS criterion are stressed.

重点介绍了强度理论 、 晶间搭桥理论 、 凝固收缩补偿理论和CSC判据 、 HCS判据.

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