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研制开发的超声波爬波探头和试块群能取代传统的横波,对小径管焊缝进行全面检测,可在距焊缝30mm处采用水平定位对缺陷进行定性和定量评价,并阐述了爬波对壁厚<9mm小径管焊缝检测原理、特点和工艺方法。
Developed ultrasonic wave probe and test block group can replace the traditional shear wave, the full inspection of the small diameter pipe weld, can be used at the seam 30mm horizontal positioning of the qualitative and quantitative evaluation of defects, and described the climbing wave pair Wall thickness <9mm diameter pipe weld detection principle, characteristics and process methods.