A review of recent investigations using the Marciniak-Kuczynski technique in conjunction with crystal plasticity models

JW Signorelli, MA Bertinetti, A Roatta - Journal of Materials Processing …, 2021 - Elsevier
Abstract The Marciniak-Kuczynski (MK) technique, which describes the progressive
evolution of an initial imperfection and the subsequent necking of the sheet metal, has been …

Finite element analysis using an incremental elasto-visco-plastic self-consistent polycrystal model: FE simulations on Zr and low-carbon steel subjected to bending …

Y Jeong, B Jeon, CN Tome - International Journal of Plasticity, 2021 - Elsevier
The Δ EVPSC model is a general elasto-visco-plastic self-consistent constitutive formalism
based on a Homogeneous Effective Medium (HEM) approach that accounts explicitly for …

An evolving plasticity model considering anisotropy, thermal softening and dynamic strain aging

F Shen, S Münstermann, J Lian - International Journal of Plasticity, 2020 - Elsevier
Comprehensive experimental characterization and numerical prediction have been
performed to investigate the thermal effects on the anisotropic flow behavior of two high …

Forming limit prediction by the Marciniak–Kuczynski model coupled with the evolving non-associated Hill48 plasticity model

F Shen, S Münstermann, J Lian - Journal of Materials Processing …, 2021 - Elsevier
This study aims to investigate the numerical prediction of forming limits by the Marciniak–
Kuczynski localization criterion coupled with an evolving non-associated plasticity model …

Localized necking predictions based on rate-independent self-consistent polycrystal plasticity: Bifurcation analysis versus imperfection approach

HK Akpama, MB Bettaieb, F Abed-Meraim - International Journal of …, 2017 - Elsevier
The present study focuses on the development of a relevant numerical tool for predicting the
onset of localized necking in polycrystalline aggregates. The latter are assumed to be …

Texture-based forming limit prediction for Mg sheet alloys ZE10 and AZ31

D Steglich, Y Jeong - International Journal of Mechanical Sciences, 2016 - Elsevier
A viscoplastic self-consistent crystal plasticity model was employed to study the formability of
two magnesium sheet alloys, ie, AZ31 and ZE10 at 200° C. The flow stress-strain curves …

A Theoretical and Experimental Study of Predicting Forming-Limit Diagrams for Face-Centered Cubic, Body-Centered Cubic and Hexagonal Close-Packed Metals …

EA Nicoletti, MG Stout, MA Bertinetti… - Journal of Materials …, 2023 - Springer
This investigation focuses on the Marciniak and Kuczynski, visco-plastic, self-consistent
(VPSC) prediction of the forming-limit curves for AA6061-T4 aluminum, cold-rolled steel and …

A finite strain micromechanical-based constitutive model: Application to porous polycrystal

L Liu, X He, J Wang, J Wu, Z Cai, Y Yao - International Journal of …, 2024 - Elsevier
A finite strain micromechanical-based constitutive model is developed for multi-phase
polycrystal to characterize the interplay among strain hardening, texture evolution, and …

AI-assisted prediction of St14 steel sheets formability: Neural-fuzzy systems and crystal plasticity assessments

Z Zisong, M Habibi - Structures, 2024 - Elsevier
We've introduced a new technique leveraging artificial intelligence to determine in-plane
forming limit strains in St14 sheet metals. A neural-fuzzy AI system was devised to predict …

[HTML][HTML] A critical discussion of elasto-visco-plastic self-consistent (EVPSC) models

B Jeon, Y Jeong, CN Tomé - Journal of Materials Research and …, 2024 - Elsevier
Two recently proposed elasto-visco-plastic self-consistent (EVPSC) models, based on
solving for stress or stress increment, are discussed, and their results are compared with the …