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本文简要介绍了压电晶体指数声锥及其在全息无损检测中的应用。实验结果表明,把全息照相与这种超声激振器结合起来,有可能解决无损检测的某些问题,诸如蜂窝板和复合材料的检测以及叶片的振动分析。
This paper briefly introduces the piezoelectric crystal index cone and its application in holographic non-destructive testing. Experimental results show that combining holograms with such ultrasonic exciters makes it possible to solve some of the problems of nondestructive testing, such as the detection of honeycomb panels and composites and the analysis of the vibration of the blades.