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  Application of non-convex rate dependent gradient plasticity to the modeling and simulation of inelastic microstructure development and inhomogeneous material behavior

Klusemann, B., Yalçinkaya, T., Geers, M. G. D., & Svendsen, B. (2013). Application of non-convex rate dependent gradient plasticity to the modeling and simulation of inelastic microstructure development and inhomogeneous material behavior. Computational Materials Science, 80, 51-60. doi:10.1016/j.commatsci.2013.04.016.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-A16C-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-A16D-3
Genre: Journal Article

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 Creators:
Klusemann, Benjamin1, 2, 3, Author              
Yalçinkaya, Tuncay4, 5, Author              
Geers, Marc G. D.6, Author              
Svendsen, Bob7, 8, 9, Author              
Affiliations:
1California Institute of Technology, Graduate Aerospace Laboratories, 1200 East California Boulevard, Pasadena, CA 91125, USA, ou_persistent22              
2Hamburg University of Technology, Institute of Continuum Mechanics and Materials Mechanics, Hamburg, Germany, ou_persistent22              
3Material Mechanics, RWTH Aachen University, Schinkelstr. 2, 52062 Aachen, Germany, ou_persistent22              
4Department of Aerospace Engineering, Middle East Technical University, 06800 Ankara, Turkey, ou_persistent22              
5European Commission, Joint Research Centre, Institute for Energy and Transport, P.O. Box 2, 1755 ZG Petten, The Netherlands, ou_persistent22              
6Department of Mechanical Engineering, Mechanics of Materials, TU Eindhoven, The Netherlands, ou_persistent22              
7Material Mechanics, Faculty of Georesources and Materials Engineering, RWTH Aachen University, Schinkelstraße 2, D-52062 Aachen, Germany , ou_persistent22              
8Aachen Institute for Advanced Study in Computational Engineering Science (AICES), RWTH Aachen University, Schinkelstraße 2, D-52062 Aachen, Germany, ou_persistent22              
9Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863381              

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Free keywords: Gradient crystal plasticity; Microstructure; Non-convexity; Self-/latent hardening; Viscoplasticity
 Abstract: In this study, a two-dimensional rate-dependent gradient crystal plasticity model for non-convex energetic hardening is formulated and applied to the simulation of inelastic microstructure formation. In particular, non-convex hardening is modeled via a Landau-Devonshire potential for self-hardening and two interaction-matrix-based forms for latent hardening. The algorithmic formulation and the numerical implementation treats the displacement and the glide-system slips as the primary field variables. The numerical simulations are carried out for the case of tensile loading with periodic displacement and slip boundary conditions. The results for the formation of inelastic microstructures and their evolution under mechanical loading are illustrated together with the macroscopic stress-strain responses. (C) 2013 Elsevier B. V. All rights reserved.

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Language(s): eng - English
 Dates: 2013-12
 Publication Status: Published in print
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Degree: -

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Title: Computational Materials Science
  Abbreviation : Comput. Mater. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 80 Sequence Number: - Start / End Page: 51 - 60 Identifier: ISSN: 0927-0256
CoNE: /journals/resource/954925567766