Diffusible hydrogen is main factors leading to welding cold cracking.
扩散氢是导致焊接冷裂纹的主要因素之一。
参考来源 - X80管线钢焊接冷裂纹敏感性研究及预测The results show that distributing curve of diffusible hydrogen in the welded zone has distortional sine appearance,and diffusible hydrogen accumulated in juncture of microstructure and related to stress condition and non uniform of microstructure in the welded zone.
结果表明，扩散氢在焊接区呈形正弦曲线分布；在组织状态发生变化的结合部位存在氢的局部聚集。 其聚集程度与焊接区的应力集中状况及显微组织的不均匀性有关。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
It has low diffusible hydrogen and good low-temperature impact toughness, suitable for welding middle-carbon steel and pressure containers of low-temperature steel.
扩散氢含量低，低温冲击性能优异，适用于低温钢、中碳钢等压力容器的焊接。
Adding the different nanometer CeO2 content to alkali iron powder electrode, the diffusible hydrogen content, low-temperature impact and chemical composition of the weld were tested.
在碱性铁粉焊条药皮中添加不同量的纳米稀土氧化物粉体，对焊缝进行扩散氢含量、低温冲击及化学成分的测试和分析。
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