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Deformation of covalent crystals in the vicinity of the yield drop

Deformation of covalent crystals in the vicinity of the yield drop Abstract The theory for description of the stress peak (yield drop) on the stress-strain curves of covalent crystals with low and zero dislocation densities has been developed. The kinetics of the variation of the dislocation density and the shape of the stress peak in the vicinity of the upper yield stress is described analytically within the framework of the generalized Alexander-Haasen model. The character of the elastoplastic transition is analyzed in detail and the model is compared with the experimental data for silicon. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crystallography Reports Springer Journals

Deformation of covalent crystals in the vicinity of the yield drop

Crystallography Reports , Volume 48 (6): 6 – Nov 1, 2003

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References (15)

Publisher
Springer Journals
Copyright
2003 MAIK "Nauka/Interperiodica"
ISSN
1063-7745
eISSN
1562-689X
DOI
10.1134/1.1627439
Publisher site
See Article on Publisher Site

Abstract

Abstract The theory for description of the stress peak (yield drop) on the stress-strain curves of covalent crystals with low and zero dislocation densities has been developed. The kinetics of the variation of the dislocation density and the shape of the stress peak in the vicinity of the upper yield stress is described analytically within the framework of the generalized Alexander-Haasen model. The character of the elastoplastic transition is analyzed in detail and the model is compared with the experimental data for silicon.

Journal

Crystallography ReportsSpringer Journals

Published: Nov 1, 2003

Keywords: Crystallography and Scattering Methods

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