目前对对接焊缝的质量检验,不论采用射线探伤或一般的超声波检验,均能收到满意的效果。然而对“T 型构件焊缝”的检验,目前还没有一种可靠的探伤方法。如:采用射线探伤,只能按图1所示的方法进行。从图不难看出,同一强度的射线,穿过该试件时,如图1、2、3等,其厚度已发生显著变化,使底片在焊缝区域内产生强烈反差,这样即使焊缝中有大量缺陷也无法全部发 The current quality inspection of butt welds, whether using radiographic testing or general ultrasonic testing, can receive satisfactory results. However, there is no reliable method for the inspection of “T-type component weld”. Such as: the use of ray inspection, only the method shown in Figure 1. Not difficult to see from the figure, the same intensity of radiation through the specimen, such as Figure 1,2,3 and so on, the thickness of the significant changes have taken place, so that negatives in the weld area produces a strong contrast, so even in the weld There are a lot of defects can not be all hair