选用水面舰艇用945钢和潜艇用921a钢，研究了不同焊缝外形尺寸对爆炸试验中三缺口试样的中央缺口开裂行为的影响。
Using 945 steel and 921a steel, this article studies the effect of weld profile and size on the cracking behavior of a central notch in a three-notch specimen for an explosion bulge test.
一贮箱在水压试验时环焊缝开裂导致泄漏。
A container leakage is caused by circle welding seam fractures in the course of hydraulic pressure test.
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