CPR1000蒸汽发生器管子-管板焊缝的γ射线检测及其气孔缺陷形成原因

详细信息

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

摘要: 结合CPR1000蒸汽发生器管子-管板焊缝的结构特点，阐述了该类焊缝的γ射线检测工艺及技术要点，分析了焊缝中气孔缺陷的位置特点和形成原因，可为类似的换热器管子-管板产品焊缝的验收和返修提供借鉴。
- 管子-管板焊缝 /
- γ射线检测 /
- 气孔缺陷
Abstract: 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.
- tube-tube plate weld /
- γ radiographic testing /
- porosity defect