Application of Nonlinear Ultrasonic Testing Technology in Early Mechanical Property Test of T700 Carbon Fiber Composite Materials

LI Wei; HUANG Yuanhang; LIU Xin; JIANG Peng; MA Yundong; SUN He

doi:10.11973/lhjy-wl201807005

PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING > 2018 > 54(7): 487-491. > DOI: 10.11973/lhjy-wl201807005

LI Wei, HUANG Yuanhang, LIU Xin, JIANG Peng, MA Yundong, SUN He. Application of Nonlinear Ultrasonic Testing Technology in Early Mechanical Property Test of T700 Carbon Fiber Composite Materials[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2018, 54(7): 487-491. DOI: 10.11973/lhjy-wl201807005

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Application of Nonlinear Ultrasonic Testing Technology in Early Mechanical Property Test of T700 Carbon Fiber Composite Materials

1. College of Mechanical Science and Engineering of Northeast Petroleum University, Daqing 163318, China;
2. Jiangsu Drilling Company, SINOPEC East China Petroleum Engineering Co., Ltd., Yangzhou 225261, China

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Received Date: November 14, 2017

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The axial static tensile test of T700 carbon fiber composite materials was carried out, and the nonlinear ultrasonic testing technology was used to study the change rule of the nonlinear coefficient and attenuation coefficient under different tensile forces. The results show that the nonlinear coefficient and attenuation coefficient increased to a certain extent with the increase of tensile force. Compared with attenuation coefficient, the change trend of nonlinear coefficient was more obvious, which showed that the nonlinear ultrasonic testing technology had strong applicability to the early mechanical properties test of carbon fiber composite materials.
- carbon fiber composite material,
- tensile test,
- nonlinear ultrasonic testing technology,
- nonlinear coefficient

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