凝固裂纹有人测定了熔覆层开裂时的温度和通过对裂纹的断口分析进行了验证[10,11].此类裂纹的形成机理主要是由于凝固温度区间,初生的发达枝晶会相互钩连形成一个结晶固态网,造成枝晶间的液体封闭。
大线能量埋弧焊凝固裂纹的产生及预防-施工技术-建筑施工行业领域的专业平台 关键词］焊接工程； 埋弧焊； 凝固裂纹 [gap=985]Key words:welding engineering; submergedarc welding; solidification crack
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进行了不锈钢焊接凝固裂纹温度场分析与数值模拟。
In this paper, the temperature field of weld metal solidification cracking in the stainless steel was analyzed and simulated.
在此基础上，建立了二维焊接凝固裂纹温度场计算模型。
As a result, a 2-d temperature field model for welding solidification cracking was developed.
对不锈钢凝固裂纹的驱动力即熔池尾部应变场进行了模拟。
This paper has simulated the driving force of solidification crack of stainless steels, namely the, stress strain field in the trail of molten weld pool.
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