无损检测技术在核电站管线管道冲蚀测厚中的应用

Application of NDT Technology in Erosion Thickness Measurement of Nuclear Power Plant Pipeline

分析了核电站管线管道减薄的发生机理,并依据减薄管道的位置、结构、表面状况、温度、直径等特点,对超声波测厚仪测厚、超声波探伤仪测厚以及射线照相测厚技术进行了对比与分析,并阐述了无损检测新技术在核电站管线管道测厚中的具体应用和发展前景。

This thesis briefly analyses the mechanism of piping thinning in nuclear power station and compares ultrasonic thickness measurement,ultrasonic thickness testing and radiography thickness measurement on basis of the location,construction,surface condition,temperature and diameter of the thinning pipes.It illustrates specific application and development prospect of new NDT technologies of pipeline thickness measurement in nuclear power plant.