期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 75, 期 -, 页码 96-103出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2015.04.005
关键词
Polymer-matrix composites (PMCs); Mechanical properties; Thermal properties
资金
- National Natural Science Foundation of China [51375474]
- Chinese Academy of Sciences
- Funds for Distinguished Young Scientists of Gansu Province scheme
In order to explore the addition effect of fluorinated graphene (FG) on the mechanical and thermal performances of polyimide (PI) matrix, FG sheets are first prepared and employed as the nanofillers to construct PING nanocomposite films. The prepared film is optically transparent at low content of FG and experimental results demonstrate that the addition of FG can effectively enhance the properties of PI matrix. Especially, compared with pure PI matrix, the addition of 0.5 wt% FG in PI can endow 30.4% increase in tensile stress and 115.2% increase in elongation at break. Experimental analyses considering the morphology and microstructure are also conducted, and the results indicate that the improved mechanical properties of the PI/FG nanocomposite films are mainly attributed to the good dispersibility of FG sheets in PI host, and the effective stress transfer between the polymer and the FG. (c) 2015 Elsevier Ltd. All rights reserved.
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