... 凝固裂纹温度区间 SCTR 焊缝凝固裂纹 weld solidification crack 凝固裂纹驱动力 welding solidification crack driving force ...
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少量铁素体的焊缝凝固裂纹断口上有许多小塑性区，有明显的韧窝。
Some plastic regions could be found and some dimples had been observed on the fracture surfaces of the solidification cracking of austenitic-ferritic weld metals.
本文研究了纯奥氏体焊缝和奥氏体-铁素体焊缝凝固裂纹特征，探讨了铁素体防止焊缝凝固裂纹的作用。
The characteristics of fully austenitic weld metals and austenitic-ferritic weld metals were investigated and the ability ofd-ferrite to prevent solidification cracks was studied.
结果表明：随着焊缝中含镍量的增加，焊缝金属的凝固裂纹敏感性增大。
It was found that the solidification cracking susceptibility of weld metal increases remarkably as nickel content increases.
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