Steinmann, P. , Kuhl, E. and Stein, E. (1998) Aspects of non-associated single crystal plasticity: Influence of non-Schmid effects and localization analysis. International Journal of Solids and Structures, 35(33), pp. 4437-4456. (doi: 10.1016/S0020-7683(97)00241-2)
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Abstract
The aim of this work is the consideration of so-called non-Schmid effects within non-associated single crystal plasticity at small strains. To this end, two additional activating mechanisms for dislocation flow on a slip system are modelled. For convenience the corresponding algorithmic setting is discussed in the sequel. Next, the influence of non-Schmid effects and non-associativity on the response behaviour of a single crystal within a simple shear deformation is examined. Subsequently, the theoretical framework for the localization analysis within multisurface plasticity is presented. Finally, the impact of non-Schmid effects on the orientation of a possible localization band and the corresponding critical hardening modulus are investigated for a simple model problem.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Steinmann, Professor Paul |
Authors: | Steinmann, P., Kuhl, E., and Stein, E. |
College/School: | College of Science and Engineering > School of Engineering > Infrastructure and Environment |
Journal Name: | International Journal of Solids and Structures |
Publisher: | Elsevier |
ISSN: | 0020-7683 |
ISSN (Online): | 1879-2146 |
Published Online: | 21 September 1998 |
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