Machine learning-based multi-objective optimization for efficient identification of crystal plasticity model parameters

K Veasna, Z Feng, Q Zhang, M Knezevic - Computer Methods in Applied …, 2023 - Elsevier
A set of constitutive model parameters along with crystallography governs the activation of
deformation mechanisms in crystal plasticity. The constitutive parameters are typically …

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 …

Assessing strength of phases in a quadruplex high entropy alloy via high-throughput nanoindentation to clarify origins of strain hardening

J Weiss, E Vasilev, M Knezevic - Materials Characterization, 2024 - Elsevier
This paper describes the main findings from an experimental investigation into local and
overall strength and fracture behavior of a microstructurally flexible, quadruplex, high …

Reforming toolpath effect on deformation mechanics in double-sided incremental forming

S Darzi, BL Kinsey, J Ha - International Journal of Mechanical Sciences, 2024 - Elsevier
Incremental sheet metal forming is a die-less process known for its high flexibility, making it
a suitable choice for fabricating low-batch, highly customized complex parts. In this paper …

Stress superposition in metal forming

AE Tekkaya, P Groche, BL Kinsey, ZG Wang - CIRP Annals, 2023 - Elsevier
Metal forming processes and formed components can be enhanced by stress superposition.
Stress superposition is defined here as adding stresses on an existing (primary) forming …

Evolution of microstructure and strength of a high entropy alloy undergoing the strain-induced martensitic transformation

J Weiss, DJ Savage, SC Vogel, BA McWilliams… - Materials Science and …, 2023 - Elsevier
In a recent work, we have reported outstanding strength and work hardening exhibited by a
metastable high entropy alloy (HEA), Fe 42 Mn 28 Co 10 Cr 15 Si 5 (in at.%), undergoing the …

Deformation-induced martensite transformation and variant selection in AISI 316L austenitic stainless steel during uniaxial tensile deformation

SM Hasan, A Ghosh, D Chakrabarti… - Materials Science and …, 2023 - Elsevier
Present work has investigated the orientation dependence of deformation-induced
martensite (DIM) transformation and contemporaneous variant selection in AISI 316L …

Martensitic transformation of SS304 truncated square pyramid manufactured by single point incremental forming

EM Mamros, F Maaß, AE Tekkaya, BL Kinsey… - CIRP Journal of …, 2024 - Elsevier
To investigate the microstructural changes that occur in stainless steel (SS) 304 during
single point incremental forming (SPIF), experiments and finite element (FE) simulations …

Effects of plasticity-induced martensitic transformation and grain refinement on the evolution of microstructure and mechanical properties of a metastable high entropy …

S Bhowmik, J Zhang, SC Vogel, SS Nene… - Journal of Alloys and …, 2022 - Elsevier
This paper describes the main results from an experimental investigation into tailoring the
phase content and grain structure for high strength of a microstructurally flexible high …

A parametric study into the influence of Taylor-type scale-bridging artifacts on accuracy of multi-level crystal plasticity finite element models for Mg alloys

J Weiss, DJ Savage, M Knezevic - Computational Materials Science, 2024 - Elsevier
Meshing grain structures explicitly to incorporate microstructure dependent material
behavior in modeling tools for metal forming processes and structural components is …