Harden tendency of steel, content and distribution of hydrogen in welded joints, restraint stress resistance of joints are three factors that leads to the cold cracks of the welded joints.
钢材的淬硬倾向、焊接接头含氢量及其分布，以及接头所承受的拘束应力状态是产生焊接冷裂纹的三大主要因素。
The aim of steel wire straightening is to maximally eliminate steel wire's extra internal stress caused by uneven deformation or uneven temperature distribution in production.
钢丝矫直的目的是最大限度地消除钢丝生产过程中由于变形或温度分布不均造成附加内应力。
The effects of change in microstructure and residual stress distribution on Barkhausen noise (BN) on the bainitic steel side in a welded bainitic and austenitic steel pipe are studied.
研究了焊接贝氏体-奥氏体钢管贝氏体钢侧显微组织变化和残余应力分布对巴克豪森噪声（BN）的影响。
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