超音波探傷試験技術者に対するUTシミュレータ訓練の有効性検討
Investigation of Applicability of Inspection Skill Training using UT Simulator for Ultrasonic Personnel
著者:
平澤 泰治 松田 誠司 牧原 善次 （発電技検）
発刊日:
公開日:
False Call ProbabilityIn-service InspectionMiss Call ProbabilityTrial of UT Simulator TrainingTrue Call ProbabilityUltrasonic TestingUT SimulatorUT Training Program
概要
In our country, the ultrasonic testing (UT) has been carried out according to the JEAC 4207 in ISI. In this code, the ultrasonic personnel are required to the education and training concerning the UT of ISI in the nuclear power plant. Therefore, the ultrasonic personnel are trained to keep the high-level skills such as defect detection, classification of detected echoes and so on, using the own training program of the inspection companies. Thus, in order to keep the inspection skills of the ultrasonic personnel, it is necessary to conduct the training program with transparency and objectivity. The training for ultrasonic personnel is two approaches. One is approach using the real specimen, UT probe, UT equipment and so on. The other is approach the UT simulator using the simulated specimen, UT probe and so on. In order to investigate the manner of utilization of UT simulator, the trial of UT training for ultrasonic personnel was conducted using the UT simulator with ultrasonic waveform data in austenitic stainless steel piping welds. In this paper, the outline of the UT training program for ultrasonic personnel was shown. Then, the results of UT simulator training were shown, and applicability of the UT simulator for UT training were investigated.
