TOFD技术在变压器不等厚箱壁焊接检测中的应用

Application of TOFD Technology in Welding Inspection of Unequal Thickness Tank Wall of Transformer

本文中作者通过理论分析和试验对比,确定了探头型号、专用试块及扫查方式,有效完成了使用TOFD技术对不等厚薄板焊缝的检测,为变压器行业产品制造提供了参考。

Based on theoretical analysis and test comparison, the probe model, special test block and scanning method are identified by the authors in this paper. The detec- tion of unequal thickness sheet welds is completed by TOFD technology. The reference is presented for transformer industry product manufacturing.