第17回
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
著者:
井原 亮一,武田 義勝,須田 洋介,板橋 佑真,(三菱重工)
発刊日:
公開日:
キーワードタグ:
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 accu...
英字タイトル:
Automatic ultrasonic flaw detection machine for reactor vessel History of A-UT Machine Development
第16回
常設型薄膜UTセンサを用いた高温時の超音波厚さ測定における校正方法の提案
著者:
山本 裕子,板橋 佑真,井原 亮一,川浪 精一,青木 清隆,(三菱重工),三原 毅,辻 俊宏,(東北大)
発刊日:
公開日:
キーワードタグ:
In this study, in order to propose a calibration method using a correction formula for each steel grade obtained in advance as a calibration method for plate thickness measurement using a permanent UT sensor such as MHI’s Thin-film UT sensor, a temperature-sound velocity correction formula for each steel grade was calculated by obtaining sound velocity values for each temperature from ordinary temperature to 200 degrees centigrade using the Thin-film UT sensor and multiple specimens of steel grade. Using th...
英字タイトル:
Proposal of calibration method for ultrasonic thickness continuous monitoring at high temperature using a thin film UT sensor