Recent developments in hydroforming technology

MG Lee, YP Korkolis, JH Kim - Proceedings of the Institution …, 2015 - journals.sagepub.com
This article is the review of hydroforming technologies that have been used increasingly in
various industries including automotive applications. General concepts and technological …

[HTML][HTML] Plastic anisotropy and ductile fracture of bake-hardened AA6013 aluminum sheet

J Ha, M Baral, YP Korkolis - International Journal of Solids and Structures, 2018 - Elsevier
The anisotropic plastic flow and ductile fracture of AA6013 aluminum sheet is investigated
under quasistatic conditions. The plasticity of the material is probed through uniaxial tension …

[HTML][HTML] Distortional plasticity framework with application to advanced high strength steel

F Barlat, SY Yoon, SY Lee, MS Wi, JH Kim - International Journal of Solids …, 2020 - Elsevier
An improved distortional plasticity framework that describes the anisotropic hardening
occurring during strain path changes, such as the Bauschinger and cross-loading effects, is …

Plastic anisotropy evolution of SS316L and modeling for novel cruciform specimen

EM Mamros, SM Mayer, DK Banerjee… - International Journal of …, 2022 - Elsevier
In this paper, the evolution of the plastic anisotropy of stainless steel 316L samples is
investigated under proportional loading paths using a customized cruciform specimen. The …

On the expansion of a circular hole in an orthotropic elastoplastic thin sheet

J Ha, S Coppieters, YP Korkolis - International Journal of Mechanical …, 2020 - Elsevier
The expansion of a circular hole in an orthotropic sheet of AA6022-T4 is examined using a
combination of experiments and analysis. This deformation mode is accomplished by …

A new concept for continuum distortional plasticity

B Reyne, F Barlat - International Journal of Plasticity, 2022 - Elsevier
This paper presents hexah, a framework based on the homogeneous anisotropic hardening
(HAH) model. It aims at recreating the effects of arbitrary strain path changes over the plastic …

Measurement and modeling of simple shear deformation under load reversal: Application to advanced high strength steels

JS Choi, JW Lee, JH Kim, F Barlat, MG Lee… - International Journal of …, 2015 - Elsevier
In this paper, the stress–strain behavior under load reversal of advanced high strength steel
(AHSS) sheet samples was measured using a modified simple shear (SS) apparatus. The …

Distortional hardening concept for modeling anisotropic/asymmetric plastic behavior of AZ31B magnesium alloy sheets

J Lee, SJ Kim, YS Lee, JY Lee, D Kim… - International Journal of …, 2017 - Elsevier
A continuum-based approach for describing the plastic hardening behavior of magnesium
alloy sheets subjected to non-proportional strain path changes at room temperature is …

Efficient and robust stress integration algorithm for anisotropic distortional hardening law under cross-loading with latent hardening

J Lee, HJ Bong, J Ha - European Journal of Mechanics-A/Solids, 2022 - Elsevier
A fast and robust stress-update algorithm based on the general cutting-plane method
(GCPM) was developed for a distortional hardening model, known as the HAH-DPS model …

[HTML][HTML] Effect of continuous and discontinuous non-proportional loadings on formability of DX54 sheet material

S Dhara, S Taylor, Ł Figiel, S Hazra - Journal of Manufacturing Processes, 2024 - Elsevier
Both continuous and discontinuous non-proportional loadings occur in multi-stage
automotive stamping processes. Discontinuous loading is widely studied, but due to …