Research on the Nonlinear Ultrasonic Testing of CFRP Based on Abaqus

Sang Sang Yu; Hui Feng Zheng; Wang Cheng; Ting Hao Tang

doi:10.4028/www.scientific.net/AMM.610.205

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 610Research on the Nonlinear Ultrasonic Testing of...

Research on the Nonlinear Ultrasonic Testing of CFRP Based on Abaqus

Abstract:

In order to overcome the limitations of conventional ultrasonic testing method to detect small defects of carbon fiber composite material, ultrasonic nonlinear detection method was proposed based on finite amplitude. Firstly the detection mechanism of finite amplitude method was studied, then the detection model was created, and ultrasonic nonlinear characteristics of carbon fiber composites was analyzed by finite element simulation, finally relative non-linear coefficients follow the change of defect length and width show that the finite amplitude method has a high sensitivity to detect small defects.

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Periodical:

Applied Mechanics and Materials (Volume 610)

Pages:

205-208

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.610.205

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Online since:

August 2014

Authors:

Sang Sang Yu, Hui Feng Zheng*, Wang Cheng, Ting Hao Tang

Keywords:

Carbon Fiber Composites, Finite Amplitude Method, Relative Non-Linear Coefficients, Small Defects

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