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Proceedings Paper

Numerical simulation of plastic deformation in polymer crystals
Author(s): A. I. Moussienko; Nikolay K. Balabaev; L. I. Manevitch
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Paper Abstract

For strongly anisotropic polymer crystals Peierls barrier for dislocations with the Burgers vector parallel to the molecule axes is so small, that it can be neglected. In such case dissociation of dislocation dipoles should be the basic mechanism of plastic deformation. To study this phenomenon we developed the program, simulating dynamic behavior of a two- dimensional monoclinic polyethylene monocrystal. Numerical experiment has confirmed the theoretical prediction of dissociation stress of dislocation dipole. Effective inertial mass of a dislocation and effective viscosity involved in a dislocation movement were measured.

Paper Details

Date Published: 5 May 1999
PDF: 9 pages
Proc. SPIE 3687, International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (5 May 1999); doi: 10.1117/12.347419
Show Author Affiliations
A. I. Moussienko, Institute of Chemical Physics (Russia)
Nikolay K. Balabaev, Institute of Mathematical Problems in Biology (Russia)
L. I. Manevitch, Institute of Chemical Physics (Russia)


Published in SPIE Proceedings Vol. 3687:
International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering
Alexander I. Melker, Editor(s)

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