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A Macroscopic Strain-Space Model of Anisotropic, Cyclic Plasticity with Hardening

Paranjape, Harshad M. and Stebner, Aaron P. and Bhattacharya, Kaushik (2018) A Macroscopic Strain-Space Model of Anisotropic, Cyclic Plasticity with Hardening. International Journal of Mechanical Sciences, 149 . pp. 365-372. ISSN 0020-7403.

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We present a strain-based formulation of macroscopic plastic deformation that accounts for anisotropy in both the initial yielding and subsequent hardening. Both isotropic and kinematic hardening are considered. Thus the model captures the evolution in the deformation response on cyclic loading including the Bauschinger effect, and the accumulation of plastic strain (ratcheting response). The model is formulated in the strain space and implemented using an implicit time integration scheme. The capabilities of the model are demonstrated through material parameter studies and by calibrating the model to experimental data for uniaxial tensile loading of Inconel alloy and anisotropic yielding of rolled aluminum alloy sheets. We also show that this strain-based approach is equivalent to the more traditional stress-based approach. The strain-based formulation of this model makes it attractive for coupling with other strain-based phenomena like phase-transformations in shape-memory alloys and failure.

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Bhattacharya, Kaushik0000-0003-2908-5469
Additional Information:© 2018 Elsevier Ltd. Received 10 June 2017, Revised 8 January 2018, Accepted 10 January 2018, Available online 31 January 2018.
Subject Keywords:plasticity (A); anisotropic material (A); yield condition (B); bauschinger effect (C); constitutive behavior
Record Number:CaltechAUTHORS:20180131-112423318
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Official Citation:Harshad M. Paranjape, Aaron P. Stebner, Kaushik Bhattacharya, A macroscopic strain-space model of anisotropic, cyclic plasticity with hardening, International Journal of Mechanical Sciences, Volume 149, 2018, Pages 365-372, ISSN 0020-7403, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:84602
Deposited By: Tony Diaz
Deposited On:31 Jan 2018 19:28
Last Modified:03 Oct 2019 19:20

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