[29p-B5-1~10] Ultrasonic Electronics

[29p-B5-10] High-Selectivity Imaging of Closed Cracks Using Fundamental Wave Amplitude Difference (FAD) Method

^○Yoshikazu Ohara¹, Masako Ikeuchi¹, Kentaro Jinno¹, Kazushi Yamanaka¹ (Tohoku Univ.¹)

Keywords:非線形超音波、基本波のしきい値現象、閉じたき裂