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本文指出了目前管材常用的超声波水浸聚焦横波探伤方法所存在的问题,并介绍了用于大直径、厚壁管材的超声检测的渐开线型超声波探头。
This paper points out the problems existing in the common ultrasonic testing method of water immersion and focusing shear wave currently used in pipe materials, and introduces the involute ultrasonic probe used for ultrasonic testing of large diameter and thick wall pipes.