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.
返修后的补焊焊缝必须修磨表面，使其外形与原焊缝大体一致，不得过宽过高。
Welds should be grinded after reworking to keep the shape similar to the old welds.
而定位格架的表面颜色、钎焊缝质量、外形尺寸、破断力和结合层厚度均达到钎焊技术要求。
The grids completely meet with the requirements for soldering on surface color , welds quality, overall dimension, rupture stress and joint thickness.
应用推荐