期刊
COMPOSITES PART B-ENGINEERING
卷 72, 期 -, 页码 199-205出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2014.12.012
关键词
Nano-structures; Polymer-matrix composites (PMCs); Residual/internal stress; Graphene nanoplatelets
资金
- Ministerio de Economia y Competitividad of Spain Government [MAT2013-46695-C3-1-R]
- Iberdrola Foundation
A structural analysis demonstrating how the manufacturing method of graphene nanoplatelets (GNPs) into a polymer matrix can strongly modify the GNPs morphology and, consequently, their properties, was carried out. Three different methods based on sonication and high shear forces were used to elucidate defects induction and possible size diminution. Manufacturing methods including high shear forces caused the extension of the GNPs while sonication induces wrinkling of the sheets. Residual stresses are induced in the nanoplatelets structure showing an increase in the Raman intensities ratios I-D/I-G and I-D/I-G when a major cycles number of calendering are applied. (C) 2014 Elsevier Ltd. All rights reserved.
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