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.
低碳钢焊缝金属凝固冷却过程存在三个脆性温度区。
There exist three brittle temperature ranges during the course of solidification and cooling process in the weld metal of Low-carbon steel.
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.
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.
应用推荐