介绍超声编码相控阵的技术特性和典型应用,包括腐蚀检测、小径管检测、大径管检测、管道自动检测和钢厂在线检测等,意在为国内承压设备焊缝无损检测,推广符合国际法规要求的半自动或全自动超声相控阵技术,提供有用借鉴。 This paper introduces the technical characteristics and typical applications of ultrasonic code phased array, including corrosion testing, small diameter pipe testing, large diameter pipe testing, pipeline automatic testing and on-line testing of steel mills, which are intended for nondestructive testing of domestic pressure equipment welds and promotion of conformity Semi-automatic or fully automatic ultrasonic phased array technology required by international regulations provides a useful reference.