接头拉伸强度较高，一般为母材95%左右。
Joint tensile strength was high, generally 95% of base metal.
焊接接头强度、塑性均可达到与母材相当的水平。
The strength and plasticity of welds were equivalent to the base metal.
母材区除了奥氏体组织外，存在铜元素的扩散。
Other than austenite, copper element dissolution is found in material.
同时发现焊接区的硬度约为母材硬度的70%。
And the hardness of the weld account for 70 percent of the main body material.
母材区除了奥氏体组织外，存在铜元素的扩散。
Other than austenite, copper element dissolution was found in material.
另外采用系列加载试验对焊缝、母材的性能进行了研究。
In addition, series load experiments were used to study properties of weld and base metal.
打磨焊缝表面缺陷或机械损伤后的厚度小于母材的厚度。
Seam surface defect after grinding or thickness is lower than base material after mechanical treatment.
结果表明，固溶处理状态下母材氩弧焊时具有较低的冷裂纹敏感性。
The experimental results show that, under solution treatment condition, this alloy has lower cold-crack susceptibility.
搭接接头的塑性较差，伸长率仅有3.18%，不及母材伸长率的25%；
The elongation of joints was only 3.18%, less than 25% that of base metal.
焊点处形状记忆效应消失，在焊点熔核外热影响区以外形状记忆效应跟母材相同。
The shape memory effect in weld disappear, beyond the HAZ, shape memory effect resume.
焊点处形状记忆效应消失，在焊点熔核外热影响区以外形状记忆效应跟母材相同。
The shape memory effect in weld disappear, beyond the HAZ, shape memory effect resume.
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