焊缝凝固裂纹 weld solidification crack
The results showed that the weld solidification structures consisted of the fine equixed grains with additions of 0.31%Zr and 0.26Ti in filler wires and the mechanical properties of the weld joint were increased greatly.
实验研究表明,当焊丝中的Zr、Ti元素含量分别为0.31%和0.26%时,焊缝凝固组织为细小的等轴晶组织,焊接接头的力学性能明显提高。
参考来源 - 高强铝铜合金焊缝组织细化及热影响区性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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