Materials Reports  2020, Vol. 34 Issue (Z2): 598-602 |
| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Research on Composite Laminates Damage Tolerance Under Low-velocity Impact |
| WU Haipeng, WANG Weili
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| Harbin FRP Institute Co., Ltd., Harbin 150029,China |
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Abstract In this paper, the carbon-carbon fiber, carbon-glass fiber-foam sandwich composite laminate damage under low-velocity impact was analyzed, the residual strength of laminate was evaluated by combining theoretical model, finite-element simulation and practical test. This paper used energy principle to establish the distribution of stress of laminate under low-velocity impact, to use numeric value simulating progressive da-maged laminate's residual strength, and measured the compression strength of composite laminate test subjects before and after the drop hammer impact test, the final result number matched perfectly with the test number, at the same time the paper analyzed the effects of fiber type and ply stacking sequence on laminate damage tolerance.
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Published: 08 January 2021
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| About author:: Haipeng Wu, born in 1977, is now a senior engineer of Harbin FRP Institute Co., Ltd. Received his master's degree in Engineering Mechanics from School of Astronautics, Harbin Institute of Technology in 2002. Research direction: composite structure design, finite simulation, lightweight design of composite material. |
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