对铍环外表面钎缝附近焊接残余应力进行X射线应力测试，并与有限元分析结果对比，二者应力变化趋势基本一致。
Comparing the results of the welding residual stresses at outer surface of beryllium ring by FEM to that from X ray stress measurement, the stress trend is identical.
本研究采用不同的焊接工艺对X70 管线钢管进行环缝焊接。
Two different welding processes were used in the girth welding of the domestic X70pipeline steel.
分析了在压力容器环缝组对及焊接中存在的错边、间隙不均匀以及焊接中熔池流动等问题。
The problems such as fissure of displacement, slit nonuniform and weld puddle flowing etc at the case of assembling and welding on orbital slit of pressure vessel are analyzed.
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