期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 107, 期 -, 页码 155-163出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2017.12.025
关键词
Cellulose; Laminates; Nanocomposites; Defects
资金
- UK Engineering and Physical Science Research Council (EPSRC) [EP/M012247/1]
- Department of Aeronautics, Imperial College London
- Engineering and Physical Sciences Research Council [EP/M012247/1] Funding Source: researchfish
- EPSRC [EP/M012247/1] Funding Source: UKRI
In this study, we investigated the mechanical response of polylactide (PLLA) reinforced with multiple layers of BC nanopaper. Laminated composites consisting of 1, 3, 6 and 12 sheet(s) of BC nanopaper were produced. It was observed that increasing the number of BC nanopaper led to an increase in the porosity of the resulting BC nanopaper-reinforced PLLA laminated composites. The tensile moduli of the laminated composites were found to be similar to 12.5 - 13.5 GPa, insensitive to the number of sheets of BC nanopaper in the composites. However, the tensile strength of the laminated composites decreased by 21% (from 121 MPa to 95 MPa) when the number of reinforcing BC nanopaper sheets increased from 1 to 12 sheets. This was attributed to the presence and severity of the scale-induced defects increased with increasing BC nanopaper sheets in the PLLA laminated composites. (C) 2018 Elsevier Ltd. All rights reserved.
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