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压力管道小口径管对接焊缝射线照相方法影响灵敏度的因素较多,通过分析其不利因素,从对比度、清晰度、颗粒度三方面提出了改进措施,使射线照相底片具有较高的灵敏度,增加小口径管对接焊缝中小缺陷的检出率。
There are many factors influencing the sensitivity of the small diameter pipe butt weld radiography method of pressure pipelines. By analyzing its unfavorable factors, some improvements are made from three aspects of contrast, clarity and granularity, which make the radiographic film plate have higher sensitivity and increase Small diameter pipe butt weld small and medium defects detection rate.