在核电机组中使用衍射时差法超声检测(TOFD)代替部分系统射线检验的应用分析

Application Analysis of the Use of Diffraction Time Difference Method in the Nuclear Power Unit(TOFD) Instead of Partial System Ray Inspection

通过比对衍射时差法超声检测(TOFD)和射线检测在部分规格焊口的检测结果,综合分析TOFD方法较射线检测在时间效益和安全效益等方面的优越性及其在核电机组的应用前景。

Through the comparison of diffraction time difference method ultrasonic testing（TOFD） and X-ray detection in some of the specifications of welding test results, comprehensive analysis of TOFD method in time efficiency and safety benefit superiority and application prospect in nuclear power plant.