高低压加热器总装环焊缝射线照相布片制图与计算

RT Film Arrangement and Calculation for the Assembly Weld of High/Low Pressure Heater

摘要: 高低压加热器类容器总装环焊缝采用射线检测方法时，将源放入管系最外侧一条U型管中，采用内透偏心法(F

Abstract: In order to examine the final assembled girth weld in low or high pressure heater by RT, the γ source was put into the U-type tube in edge and the examination was finished through multi exposures by eccentric internal transmittance(F