Characterization and modelling of evolving plasticity behaviour up to fracture for FCC and BCC metals

C Zhang, Y Lou - Journal of Materials Processing Technology, 2023 - Elsevier
Yield surfaces evolve depending on loading directions (anisotropic hardening) and stress
states (differential hardening) during plastic deformation of sheet metals. A new analytical …

[HTML][HTML] A generalized, computationally versatile plasticity model framework-Part II: Theory and verification focusing on shear anisotropy

Y Hou, J Min, HR Lee, J Ha, N Park, MG Lee - International Journal of …, 2024 - Elsevier
Shear-dominated deformation (SHDD) is pivotal in sheet metal forming; however,
comprehensive modeling of plastic anisotropy in SHDD, specifically shear anisotropy …

Unstable stress-triaxiality development and contrasting weakening in two types of high-strength transformation-induced plasticity (TRIP) steels: Insights from a new …

T Matsuno, T Fujita, T Matsuda, Y Shibayama… - Journal of Materials …, 2023 - Elsevier
The impact of high stress triaxiality on work hardening in transformation-induced plasticity
(TRIP) steel has been widely acknowledged, particularly through measurements of the …

Finite Element Model Updating for Material Model Calibration: A Review and Guide to Practice

B Chen, B Starman, M Halilovič, LA Berglund… - … Methods in Engineering, 2024 - Springer
Finite element model updating (FEMU) is an advanced inverse parameter identification
method capable of identifying multiple parameters in a material model through one or a few …

Post-Necking full-field FEMU identification of anisotropic plasticity from flat notched tension experiments

E Sakaridis, CC Roth, B Jordan, D Mohr - International Journal of Solids …, 2024 - Elsevier
This work introduces a finite element model updating (FEMU) identification scheme to
determine the material parameters of an anisotropic metal plasticity model. Surround digital …

Influences of the evolving plastic behavior of sheet metal on V-bending and springback analysis considering different stress states

C Zhang, Y Lou - International Journal of Plasticity, 2024 - Elsevier
Bending is a common forming process that covers various stress states during sheet metal
forming, mainly from uniaxial to plane strain states of both tension and compression …

A symmetric and asymmetric yield function based on normalized stress invariant suitable for sheet and bulk metals under various stress states

J Wang, A Pi, Z Zhang, M Wu, F Huang, Z Wang… - Journal of Materials …, 2025 - Elsevier
Sheet and bulk metals experience stress states in a wide stress state range under most of
the static and dynamic service environments, but the existing yield functions cannot …

[HTML][HTML] A Review on Sheet Metal Forming Behavior in High-Strength Steels and the Use of Numerical Simulations

LF Folle, TN Lima, MPS Santos, B Callegari, BCS Silva… - Metals, 2024 - mdpi.com
High-strength steels such as Dual Phase (DP), Transformation-Induced Plasticity (TRIP),
and Twinning-Induced Plasticity (TWIP) steels have gained importance in automotive …

[HTML][HTML] An extended stress-based forming limit diagram focusing on the wrinkling phenomenon and the effect of the normal pressure on clamped surfaces

GJ Béres, Z Weltsch, R Borbély, ML Kölüs… - Journal of Materials …, 2023 - Elsevier
A novel wrinkling limit representation following the pattern of the conventional forming limit
curves (FLCs) and the stress-based forming limit curves (SFLCs) as well as the application …

Inverse characterization of a material model using an ensemble-based four-dimensional variational method

S Sueki, A Ishii, S Coppieters, A Yamanaka - International Journal of Solids …, 2023 - Elsevier
The identification accuracy of material model parameters is essential for accurately
predicting the deformation behavior of metallic materials (eg, metal forming) using a finite …