γ Radiographic Testing of Tube-Tube Plate Welds of CPR1000 Steam Generator and Cause for Porosity Defects

ZHU Congbin; YANG Zhipeng; ZHANG Bin

doi:10.11973/wsjc201805002

ZHU Congbin, YANG Zhipeng, ZHANG Bin. γ Radiographic Testing of Tube-Tube Plate Welds of CPR1000 Steam Generator and Cause for Porosity Defects[J]. Nondestructive Testing, 2018, 40(5): 6-9. DOI: 10.11973/wsjc201805002

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γ Radiographic Testing of Tube-Tube Plate Welds of CPR1000 Steam Generator and Cause for Porosity Defects

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With the consideration of the structure characteristics of tube-tube plate seal welds of CPR1000 steam generator, a detailed description on the γ radiographic testing process and key technology was outlined, and the location and causes of porosity were analyzed to provide the experience feedback applied for engineering for actual welding acceptance and repair.

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γ Radiographic Testing of Tube-Tube Plate Welds of CPR1000 Steam Generator and Cause for Porosity Defects

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