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The role of graphene in enhancing the stiffness of polymeric material: A molecular modeling approach
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10.1063/1.4812275
/content/aip/journal/jap/113/24/10.1063/1.4812275
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/24/10.1063/1.4812275

Figures

Image of FIG. 1.
FIG. 1.

(Left) Schematic diagram of generating crosslinked epoxy system. (Right) Construction of graphene-epoxy model by randomly positioning the graphene and epoxy in a unitcell.

Image of FIG. 2.
FIG. 2.

Schematic diagram of stacked graphene model (SGrM).

Image of FIG. 3.
FIG. 3.

Typical temperature, total energy, and pressure plots at different times (taken from a type-b FGrM),

Image of FIG. 4.
FIG. 4.

SEM image of the sectional surface of (a) ExpEpon, (b) ExpGEp-1%, (c) ExpGEp-3%, and (d) ExpGEp-5%.

Image of FIG. 5.
FIG. 5.

Stress-strain response of FGrMs and VGrMs with type-a and type-b graphenes.

Image of FIG. 6.
FIG. 6.

Load vs displacement plots from nanoindentation tests.

Image of FIG. 7.
FIG. 7.

Stress-strain response in xx, yy, and zz directions for SGrM-GnEp-I.

Image of FIG. 8.
FIG. 8.

Stress-strain response in xx, yy, and zz directions for SGrM-GnEp-II.

Image of FIG. 9.
FIG. 9.

Stress-strain response in xx, yy, and zz directions for SGrM-GnEp-III.

Tables

Generic image for table
Table I.

Material configurations of G-Ep systems.

Generic image for table
Table II.

Material configurations of graphene dispersion models.

Generic image for table
Table III.

Effects of graphene concentrations and aspect ratio on elastic constants (MM method approach).

Generic image for table
Table IV.

Comparison of Young's modulus obtained from MD simulation and nanoindentation tests.

Generic image for table
Table V.

Young's modulus calculated from stress-strain response for stacked graphene models (SGrM).

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/content/aip/journal/jap/113/24/10.1063/1.4812275
2013-06-26
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The role of graphene in enhancing the stiffness of polymeric material: A molecular modeling approach
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/24/10.1063/1.4812275
10.1063/1.4812275
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