4、了试块选用,设备调试,现场探伤中的常见问题及解决方法。同时给出了现场探伤、缺陷定位和长度测量的具体方法,并通过GB11345-1989标准对试验中检测到的缺陷进行了等级评定并得出了检测工艺卡。关键词:焊缝;超声波探伤;试块;缺陷评定Abstract: NDT (Non-Destructie Testing, NDT) technology has become a quality control to ensure the safe operation of equipment so vital technical means of
5、production in the modern aviation industry, more and more key components required for more effective And accurate detection, this paper introduces the principle of ultrasonic detection technology and the advantages and disadvantages Points, with the instrument and shear
6、wave weld inspection during the operation should pay attention to the issues and problems, ultrasonic testing equipment and apparatus, and other issues.Key words: ultrasonic testing; longitudinal wave; wave; detector; weld inspection; test block; ultrasonic probe; coupli