大容积无缝气瓶瓶肩缺陷检测研究  

Research on Defect Detection of Shoulder of Large Volume Seamless Gas Cylinder

作　　者：刘晓丽 雷志鹏 耿会坡 Liu Xiaoli;Lei Zhipeng;Geng Huipo(Hebei Special Equiprnent Supervision and Inspection Institute,Shijiazhuang 050000)

机构地区：[1]河北省特种设备监督检验研究院,石家庄050000

出　　处：《中国特种设备安全》2020年第8期57-59,共3页China Special Equipment Safety

摘　　要：介绍了基于相控阵的大容积无缝气瓶瓶肩缺陷检测方法,制作了包含多种缺陷的专用模拟试块,应用常规超声波检测法和相控阵检测法实施缺陷测深和测长对比试验.根据试验数据和误差分析,应用相控阵检测法能够得到更佳的测量精度.Methods of defect detection of shoulder of large volume seamless gas cylinder based on phased array are introduced.The test block of the shoulder defect simulating each direction and nature defect has been made.in order to carry out the contrast test of crack depth and length measurement by phased array and conventional ultrasonic.According to the test data and error analysis,it has been shown that better measurement accuracy can be obtained by phased array testing.

关 键 词：大容积无缝气瓶 相控阵 常规超声波检测 60°V型槽 平底孔 

分 类 号：X924[环境科学与工程—安全科学]