Schedule 2 3:15 PM - 3:30 PM [J041-02] The change of Ultrasonic Characterization at Stress Concentrated Parts of Metal Materials 〇Yutaka Ishii1, Toshihiro Ohtani1, Kouki Murata1 (1. 湘南工科大学) Keywords:非線形超音波、非破壊検査、電磁超音波共鳴法、有限要素解析、EMAT