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描述了球节点钢网架球/管焊缝超声探伤方法、设备和工艺。还对探伤检验时遇到的问题和特殊现象进行了实验研究,用试块重现了这些现象,并加以解释。最后对钢网架球/管焊缝的超声探伤提出了几点建议。
Describes the ultrasonic testing method, equipment and process of ball joint / ball joint weld of ball joint. The problems and special phenomena encountered in the testing of flaw detection were also studied experimentally, and these phenomena were reproduced and explained with test blocks. At last, some suggestions on the ultrasonic flaw detection of the steel grid ball / pipe weld are put forward.