Abstract
In this article, the composite -joint is investigated under bending loads. The “L” preform is the critical component regarding composite -joint failure. The study is presented in the failure detection of a carbon fiber composite -joint structure under bending loads using fiber Bragg grating (FBG) sensor. Firstly, based on the general finite element method (FEM) software, the 3-D finite element (FE) model of composite -joint is established, and the failure process and every lamina failure load of composite -joint are investigated by maximum stress criteria. Then, strain distributions along the length of FBG are extracted, and the reflection spectra of FBG are calculated according to the strain distribution. Finally, to verify the numerical results, a test scheme is performed and the experimental spectra of FBG are recorded. The experimental results indicate that the failure sequence and the corresponding critical loads of failure are consistent with the numerical predictions, and the computational error of failure load is less than 6.4%. Furthermore, it also verifies the feasibility of the damage detection system.
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References
Du Shanyi, Acta Materiae Compositae Sinica 2, 1 (2007).
Shi Jian Zhong and Huang Yang, Acta Aeronautica Et Astronautica Sinica 7, 493 (1998).
Taylor R M and Owens S D, 45 th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Palm Springs, California, 2004.
Yangnai Bin and Zhang Elaine, Composite Materials for Aircraft Structural Design, Beijing: Aviation Press, 2002.
Sih GH and Skudra A M, Failure Mechanics of Composites, New York: Elsevier Science, 1985.
Staszewski WJ, Boller C and Tomlinson GR, Health Monitoring of Aerospace Structures, Chichester: John Wiley & Sons, 2003.
Zhao Libin, Peng Lei, Zhang Jianyu, Qin Mingliang, Liang Xianzhu, Chang Haifeng and Huang Hai, Acta Material Compositae Sinica 26, 181(2009). (in Chinese)
Zhao Libin, Dong Pei, Li jiaxi, HUANG Hai, LIANG Xianzhu and CAO Zhen-hua, Aeronautical Manufacturing Technology 21, 61 (2007). (in Chinese)
Zhao Libin, Qin Tianliang, Huang Hai, Li jiaxi, LIANG Xianzhu, CHANG Hai-feng and CAO Zhen-hua, Rare Materials and Engineering 38, 105 (2009).
Ruzek R, Lohonka R and Jironc J, Ultrasonic C-scan and Shearo-Graphy NDI Techniques of Impact Defects Identification, NDT and E International 39, 132 (2006).
Mickens T, Schulz M, Sundaresan M and Ghoshal A, Mech. Syst. Signal Proc. 17, 285 (2003).
Johnson TJ, Brown RL, Adams DE and Schiefer M, Mech. Syst. Sig Proc. 18, 555 (2004).
WANG Hong-liang, WANG Lin and JIA Zhen-an, Journal of Optoel-ectronics Laser 20, 526 (2009). (in Chinese)
Mousumi Majumder, Tarun Kumar Gangopadhyay and Ashim Kumar Chakraborty, J. Sensors and Actuators A 147, 150 (2008).
HUANG Hong-mei and YUAN Shen-fang, Journal of Optoelectronics Laser 22, 109 (2011). (in Chinese)
ZHAO Hai-tao, ZHANG Bo-ming and WU Zhan-jun, Journal of Optoelectronics Laser 19, 1172 (2008). (in Chinese)
Chen JianQiao, Introduction to Mechanics of Composite Materials, Beijing: Science Press, 2006.
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This work has been supported by the National High Technology Research and Development Program of China (No.2007AA03Z117), the Key Program of National Natural Science of China (No.50830201), and the Ph.D. Teacher’s Research Project of Xuzhou Normal University.
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Huang, Hm., Yuan, Sf. Composite failure prediction of π-joint structures under bending. Optoelectron. Lett. 8, 121–124 (2012). https://doi.org/10.1007/s11801-012-1147-7
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DOI: https://doi.org/10.1007/s11801-012-1147-7