High strain rate behavior of graphene-epoxy nanocomposites
نویسندگان
چکیده
منابع مشابه
Mechanical Property and Structure of Covalent Functionalised Graphene/Epoxy Nanocomposites
Thermally reduced graphene nanoplatelets were covalently functionalised via Bingel reaction to improve their dispersion and interfacial bonding with an epoxy resin. Functionalised graphene were characterized by microscopic, thermal and spectroscopic techniques. Thermal analysis of functionalised graphene revealed a significantly higher thermal stability compared to graphene oxide. Inclusion of ...
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The toughness and coefficient of thermal expansion of a series of functionalized graphene sheet epoxy nanocomposites are investigated. Functionalized graphene sheets are produced by splitting graphite oxide into single graphene sheets through a rapid thermal expansion process. These graphene sheets contain ~ 10% oxygen due to the presence of hydroxide, epoxide, and carboxyl functional groups wh...
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Graphene nanostructures were synthesized by Hummer method. 1, 3, 5 and 7 wt% of graphene nanostructures were suspended in certain amount of acetone on a mechanical stirrer and stirred then added to epoxy resin. After 4 hours, solution and Graphene platelets (GPs) were prepared. Nanostructures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM ), Fourier transform i...
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in this research, electromagnetic properties of graphene-epoxy nanocomposite up to 3wt% graphene, were investigated in x band. results showed that these nanocomposites do not have significant permeability so that it can be considered equal to 1. however they exhibit high permittivity such that real part of permittivity of 3wt% graphene sample is 8.4 in 8ghz and 6.8 in 12ghz frequencies, which a...
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It is generally recognized that dimethylformamide (DMF) and ethanol are good media to uniformly disperse graphene, and therefore have been used widely in the preparation of epoxy/graphene nanocomposites. However, as a solvent to disperse graphene, dichlorobenzene (DCB) has not been fully realized by the polymer community. Owing to high values of the dispersion component (δd) of the Hildebrand s...
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ژورنال
عنوان ژورنال: Polymer Testing
سال: 2020
ISSN: 0142-9418
DOI: 10.1016/j.polymertesting.2019.106219