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Computational investigation of the mechanical and tribological responses of amorphous carbon nanoparticles
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10.1063/1.4792753
/content/aip/journal/jap/113/7/10.1063/1.4792753
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792753

Figures

Image of FIG. 1.
FIG. 1.

Schematic of a-C nanoparticle compression illustrating definition of real contact radius, rc, and change in diameter, d.

Image of FIG. 2.
FIG. 2.

Evolution of (a) compressive force and (b) approximate contact stress as a function of percentage strain during a-C nanoparticle compression simulations.

Image of FIG. 3.
FIG. 3.

Analysis of a-C nanoparticle deformation from MD simulations indicating (a) final strain after nanoparticle relaxation and (b) percentage of carbon atoms forming new C-C bonds as a function of percentage strain during nanoparticle compression.

Image of FIG. 4.
FIG. 4.

Frictional and normal forces during tribological simulations of 2 and 4 nm diameter a-C nanoparticles with (a)0, (b) 25, and (c) 50 at. % H.

Image of FIG. 5.
FIG. 5.

Friction load ramps from tribological simulations for a-C nanoparticles with diameters of (a) 2 nm and (b) 4 nm.

Tables

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Table I.

Composition and properties of amorphous carbon nanoparticles for MD simulations.

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/content/aip/journal/jap/113/7/10.1063/1.4792753
2013-02-20
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Computational investigation of the mechanical and tribological responses of amorphous carbon nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792753
10.1063/1.4792753
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