Nonlinear Ultrasonic Detection for Interface Kissing Bonds Based on HHT
BI Zhouyang
CHEN Jianhui
WANG Guanglong
Abstract：The adhesive quality of the coating structure of SRM is tested .It is difficult to detect the interface kissing bonds of adhesive structure by the conventional ultrasonic ,the nonlinear ultrasonic testing method based on HHT is pro‐posed .Through the analysis of simulation signal ,the effectiveness of HHT method in processing non‐linear ,non‐stationary signals is validated .The instantaneous amplitude of the second harmonic is extracted .Nonlinear ultrasonic detection method , w hich makes the instantaneous amplitude of the second harmonic nonlinear ultrasonic detection methods as feature parameters i proposed .The results show that the instantaneous amplitude of the second harmonic can be used as the characteristic pa‐rameter to characterize the size of the interface kissing bonds .
Keywords：HHTnonlinear ultrasonickissing bondssecond harmonicinstantaneous amplitude
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 983-987,1101 )