Materials Reports  2020, Vol. 34 Issue (Z1): 581-584 |
| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Research Progress on Vibration Based Structural Health Monitoring onHelicopter Composite Material Structures |
| ZHU Hongyan, WU Baochang, LIN Changliang, WANG Jinliang, WANG Gang
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| Harbin Aircraft Industry(group) Co., Ltd., of AVIC, Harbin 150066, China |
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Abstract Helicopterfiber reinforced resin composite material structures are quite sensible to the internal delamination and cracks induced by impact and fatigue stress. It can make composite material structure damage catastrophically without any prewarning. Therefore, the requirement for the method that can detect delamination and cracks in the composite material structures in time is more and more imperative. And that structural health monitoring(SHM) can implement monitoring on compo-site material structures in real time and in-situ. Vibration based SHM utilizes vibration properties, such as damping, modal and natural frequency, which can be easily and continuously extract from the vibration of helicopter composite material structures. It is a SHM method which will hold application foreground greatly. The vibration based SHM technologies of helicopter composite material structures are reviewed.
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Published: 01 July 2020
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| About author:: Hongyan Zhu is a designer in Harbin Aircraft Industry(group) Co. Ltd. of AVIC,senior engineer, doctor,received her Ph.D.degree from the School of Materials Science and Engineering of Harbin Institute of Techno-logy at 2010.Her current major is strength analysis of aviation structure. |
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