论文部分内容阅读
介绍了目前大型构件超声检测的发展现状;讲述了导波特性的频散特性和模式;说明了导波在大型铝板中的激励方法;分析了导波的表现形式及其与普通横波的区别;阐明了导波模式的鉴别方法。
The present status of ultrasonic testing of large components is introduced. The dispersion characteristics and mode of the guided wave characteristics are introduced. The excitation method of the guided wave in the large aluminum plate is described. The manifestation of the guided wave and its difference from the normal shear wave ; Clarified the method of discrimination of guided wave mode.