... holes in joints of welded vessels焊接容器接头处的孔 in welded joints在焊缝上 jump welded tube对缝焊管; 焊缝管 ...
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Ultrasonic time-of-flight diffraction (TOFD) technique is a new successful one for detecting and sizing the discontinuities in welded joints.
超声衍射时差(tofd)法是焊缝超声检测和缺陷定量很有发展前景的新技术。
The J integral values in the vicinity of the crack tip in welded joints were numerically analyzed by using the plane stress elastic-plastic finite element method.
采用平面应力弹塑性有限元法研究了含有多部损伤的焊接接头裂纹尖端J积分的变化规律。
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。
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