融合CNN与高低频聚焦注意力的TOFD焊缝缺陷识别方法

张俊辉,唐东林,王平杰,胡远遥,李渊博

TOFD weld defect identification method integrating CNN and high-low frequency focused attention

Junhui ZHANG,Donglin TANG,Pingjie WANG,Yuanyao HU,Yuanbo LI

表1 TOFD检测探头参数选择

Table 1 Selection of TOFD detection probe parameters

试块厚度/mm 频率/MHz 声束角度α/(°) 晶片尺寸/mm >15~35 5~10 60~70 2~6 >35~50 3~5 60~70 3~6