Impact performance of two bamboo-based laminated composites |
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| Authors: | Huanrong Liu Zehui Jiang Zhengjun Sun Yan Yan Zhiyong Cai Xiubiao Zhang |
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| Affiliation: | 1.Department of Biomaterials,International Center for Bamboo and Rattan,Chaoyang District,China;2.US Department of Agriculture, Forest Service, Forest Products Laboratory,Madison,USA |
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| Abstract: | The present work aims to determine the impact performance of two bamboo-based laminated composites bamboo/poplar laminated composite (BPLC) and bamboo/glass fiber laminated composite (BGFLC)] using low-velocity impact tests by a drop tower. In addition, fracture characteristics were evaluated using computed tomography (CT). Results showed that BPLC presented better impact properties in both directions than BGFLC. Three stages are noted in impact load–deflection curves. The load–deflection curve characteristics of two composites are different in different stages. Matrix cracking, fiber-matrix interface debonding and delamination, and fiber breakage are the three main fracture mechanisms of two composites. Structural characteristics of the components and bonding strength are the important factors for impact properties and fracture mechanism of both bamboo-based laminated composites. |
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