4、焊接及无损探伤的基础上详细介绍了超声波探伤技术及其在焊缝无损探伤中的应用及评定等级和注意事项。针对给定的板材焊缝,通过实验检测该焊缝的缺陷,本文详细介绍了试块选用,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
5、become a quality control to ensure the safe operation of equipment so vital technical means of production in the modern aviation industry, more and more key components required for more effective And accurate detection, this paper introduces the princi
6、ple of ultrasonic detection technology and the advantages and disadvantages Points, with the instrument and shear wave weld inspection during the operation should pay attention to the issues and problems, ultrasonic testing equipment and apparatus, and
7、 other issues.Key words: ultrasonic testing; longitudinal wave; wave; detector; weld inspection; test block; ultrasonic probe; coupling agent.36西安航空职业技术学院毕业设计论文目录钢板焊缝的接触法超声波检测IV1绪论11.1选题的背景及意义11.2超声检测技术的发展历程和现状21.2.1国际超声检测技术的发展历程和现状21.2.2我国超声无损检测发展现状21