原子炉容器用自動超音波探傷装置 A-UTマシンの開発の歴史
概要
As "A historic heritage related to maintenance technology and a cultural heritage of humankind with the aim of encouraging the development, dissemination and contribution to society of Maintenology." the automatic ultrasonic flaw detection machine for reactor vessel (A-UT Machine) was recognized as the first heritage. The A-UT machine was used for the first time in the world for the inspection of reactor vessels of PWR nuclear power plants in 1995. Since then, improvements have been made to improve the accuracy of the inspection and to shorten the operation time. This paper describes the features and development history of A-UT machines.
