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Effect of the sliding orientation on the tribological properties of polyethylene in molecular dynamics simulations
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10.1063/1.2900884
/content/aip/journal/jap/103/8/10.1063/1.2900884
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/8/10.1063/1.2900884
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) The unit cell structure of PE and (b) schematic of the PE polymer chain alignment.

Image of FIG. 2.
FIG. 2.

The lateral forces, normal forces, and friction coefficients for perpendicular and parallel sliding in the PE polymer systems.

Image of FIG. 3.
FIG. 3.

Snapshots of the PE system during perpendicular sliding (upper) and parallel sliding (lower), to produce the data shown in Fig. 2. To better see the change in the PE substrate, three striped regions are designated not by specific chains but by distance and are set to be opaque, while the other regions are set to be transparent.

Image of FIG. 4.
FIG. 4.

The shear deflection of the upper PE substrates (top) and the resulting shear strain energies (bottom) during perpendicular and parallel sliding.

Image of FIG. 5.
FIG. 5.

Comparisons of the lateral and normal forces and the friction coefficients during perpendicular and parallel sliding between the PE and PTFE systems.

Image of FIG. 6.
FIG. 6.

Histogram of the number of bonds formed and broken during perpendicular and parallel sliding of the (a) PE and (b) PTFE systems.

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/content/aip/journal/jap/103/8/10.1063/1.2900884
2008-04-16
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of the sliding orientation on the tribological properties of polyethylene in molecular dynamics simulations
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/8/10.1063/1.2900884
10.1063/1.2900884
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