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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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.
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。
The chemical compositions, mechanical properties, solidification crack risistance and intergranular corrosion risistance of HT-105 electrode for welding of 690 alloy are introduced in this paper.
介绍了焊接690合金焊条HT-105的化学成分、力学性能、抗热裂性能和抗晶间腐蚀性能。
Is mainly the size effect and solidification, shrinkage, stress and other issues clearly, to avoid or reduce the segregation, iron manhole cover deformation and crack defects.
主要是明显的尺寸效应和凝固、收缩、应力等问题，避免或减少铸铁井盖的成分偏析、变形、开裂等缺陷的产生。
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