航空发动机整体叶环中纤维断丝超声检测方法
武玉鹏1,2, 张博1(
), 李经明1, 张双楠1, 吴颖1, 王玉敏1, 蔡桂喜1
), 李经明1, 张双楠1, 吴颖1, 王玉敏1, 蔡桂喜1
Ultrasonic Detection for Fiber Broken in Aero-Engine Integral Bladed Ring
WU Yupeng1,2, ZHANG Bo1(), LI Jingming1, ZHANG Shuangnan1, WU Ying1, WANG Yumin1, CAI Guixi1
), LI Jingming1, ZHANG Shuangnan1, WU Ying1, WANG Yumin1, CAI Guixi1
图8. 不同时刻(t)的声场分布
Fig.8. The distributions of sound field at different time (t) (Ps—scattered longitudinal wave at the tip of piezoelectric wafer; 1—water medium; 2—Ti alloy medium; P1P2S2d—shear wave derived from the down-interface of Ti alloy board, where d—down）(a) t=1.25 μs (b) t=1.65 μs (c) t=2.75 μs
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