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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 784Microstructural Modeling of Dual Phase Steel Using...

Microstructural Modeling of Dual Phase Steel Using a Higher-Order Gradient Plasticity-Damage Model

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Abstract:

This work focuses on the application of a higher-order gradient-dependent plasticity-damage model for microstructural modeling of dual-phase (DP) steels. Damage evolution is governed by the evolution of a nonlocal plasticity measure which is a function of the local equivalent plastic strain rate and its corresponding first-order gradient. Different RVEs of DP microstructures are virtually generated and simulated in order to predict the macroscopic mechanical response. Size effects and additional hardening due to evolution of geometrically necessary dislocations are predicted.

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Periodical:

Applied Mechanics and Materials (Volume 784)

Pages:

119-128

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.784.119

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Online since:

August 2015

Authors:

Rashid K. Abu Al-Rub*, Najmul H. Abid, Mahmood Ettehad, Anthony N. Palazotto

Keywords:

Damage Evolution, Dual Phase Steel, Interfacial Effects, Micromechanical Modeling, Size Effect, Strain Gradient Plasticity

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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