核电厂一回路管座焊缝超声波检测仿真研究  

Simulation Research of Ultrasonic Inspection of Primary Tube Seat Weld in Nuclear Power Plants

作　　者：胡晨旭 Hu Chenxu(CGNPC Inspection Technology Corporation,Jangsu,Suzhou,215004,China)

机构地区：[1]中广核检测技术有限公司,江苏苏州215004

出　　处：《核动力工程》2020年第2期145-149,共5页Nuclear Power Engineering

摘　　要：小尺寸支管接头(BOSS)焊缝作为核电厂一回路压力边界的薄弱环节,对其有效监控是核电厂日常和在役大修的重点和难点。采用仿真技术、工艺试验和现场应用验证等方法,设计并验证了BOSS焊缝的超声波相控阵检测工艺,解决了核电厂日常和在役大修中BOSS焊缝的监督难点。并得到类似超声波相控阵检测工艺的设计和验证方法。The small-size branch joint(BOSS)weld is the weak point of the primary pressure boundary in nuclear power plants,and its monitoring is critical but difficulty in the daily and in-service inspection.This paper designs and verifies the ultrasonic phased array inspection technology for BOSS welds,by using the simulation technology,technical test and application verification,and also solves the difficulties of monitoring BOSS welds in daily and in-service overhaul of nuclear power plants.The method of design and verification can be used in similar ultrasonic phased array inspection process.

关 键 词：BOSS焊缝 超声波相控阵 仿真 

分 类 号：TL329[核科学技术—核技术及应用]