TY - GEN
T1 - Study on Propagation Characteristics of Refracted Longitudinal Waves in Carbon Fiber Composites
AU - Pan, Qinxue
AU - Zhang, Yunmiao
AU - Xu, Lang
AU - Luo, Rui
AU - Li, Shuangyang
AU - Li, Wei
AU - Li, Sa
N1 - Publisher Copyright:
© 2021 IEEE.
PY - 2021/8/8
Y1 - 2021/8/8
N2 - Based on the characteristics of non-destructive, efficient and accurate, the critical refraction longitudinal (LCR) wave method has high application value in the testing of composite materials. In this study, the finite element method was used to analyze the directivity of the refracted longitudinal wave in the carbon fibre reinforced plastics (CFRP) IIW test block. The relationship between the energy distribution of the ultrasonic sound field and the incident angle and frequency is studied. The influence of the anisotropy of CFRP in ultrasonic propagation was studied by comparing with isotropic materials. Using variable-angle wedges to excite LCR waves in different layered CFRP plates, the characteristics of the excitation angles of LCR waves in different directions in anisotropic materials are studied. This study provides guidance for future research on the detection of surface stress and structural health of carbon fiber composite materials using LCR waves.
AB - Based on the characteristics of non-destructive, efficient and accurate, the critical refraction longitudinal (LCR) wave method has high application value in the testing of composite materials. In this study, the finite element method was used to analyze the directivity of the refracted longitudinal wave in the carbon fibre reinforced plastics (CFRP) IIW test block. The relationship between the energy distribution of the ultrasonic sound field and the incident angle and frequency is studied. The influence of the anisotropy of CFRP in ultrasonic propagation was studied by comparing with isotropic materials. Using variable-angle wedges to excite LCR waves in different layered CFRP plates, the characteristics of the excitation angles of LCR waves in different directions in anisotropic materials are studied. This study provides guidance for future research on the detection of surface stress and structural health of carbon fiber composite materials using LCR waves.
KW - carbon fiber composites
KW - finite element simulation
KW - longitudinal critical refraction wave
KW - ultrasonic nondestructive testing
UR - http://www.scopus.com/inward/record.url?scp=85115162551&partnerID=8YFLogxK
U2 - 10.1109/ICMA52036.2021.9512578
DO - 10.1109/ICMA52036.2021.9512578
M3 - Conference contribution
AN - SCOPUS:85115162551
T3 - 2021 IEEE International Conference on Mechatronics and Automation, ICMA 2021
SP - 370
EP - 374
BT - 2021 IEEE International Conference on Mechatronics and Automation, ICMA 2021
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 18th IEEE International Conference on Mechatronics and Automation, ICMA 2021
Y2 - 8 August 2021 through 11 August 2021
ER -