Strengthening and ductilization of laminate dual-phase steels with high martensite content

B Gao, R Hu, Z Pan, X Chen, Y Liu, L Xiao… - Journal of Materials …, 2021 - Elsevier
The steels with excellent strength and ductility are expected to be achieved by tailoring the
microstructural features. In this work, laminate dual-phase (DP) steels with high martensite …

[HTML][HTML] Adaptive active subspace-based efficient multifidelity materials design

D Khatamsaz, A Molkeri, R Couperthwaite, J James… - Materials & Design, 2021 - Elsevier
Materials design calls for an optimal exploration and exploitation of the process-structure-
property (PSP) relationships to produce materials with targeted properties. Recently, we …

Influence of strength and notch shape on crack initiation and propagation behavior of advanced high strength steel sheets

M Omiya, S Arakawa, Z Yao, M Muramatsu… - Engineering Fracture …, 2022 - Elsevier
Advanced high-strength steels (AHSSs) are widely adopted in car body structures to achieve
weight reduction for energy efficiency and crash safety. This study investigates the effects of …

Predictive dual-scale finite element simulation for hole expansion failure of ferrite-bainite steel

S Park, J Jung, W Cho, BS Jeong, H Na, SI Kim… - International Journal of …, 2021 - Elsevier
A dual-scale finite element model is proposed to investigate the failure of ferrite-bainite (FB)
dual-phase steel in the hole expansion test. The first level simulation solves the elastic …

On the importance of microstructure information in materials design: PSP vs PP

A Molkeri, D Khatamsaz, R Couperthwaite, J James… - Acta Materialia, 2022 - Elsevier
The focus of goal-oriented materials design is to find the necessary chemistry/processing
conditions to achieve the desired properties. In this setting, a material's microstructure is …

Efficiently exploiting process-structure-property relationships in material design by multi-information source fusion

D Khatamsaz, A Molkeri, R Couperthwaite, J James… - Acta Materialia, 2021 - Elsevier
Materials design calls for the (inverse) exploitation of Process-Structure-Property (PSP)
relationships to produce materials with targeted properties. Unfortunately, most materials …

High fracture toughness micro-architectured materials

Y Liu, L St-Pierre, NA Fleck, VS Deshpande… - Journal of the …, 2020 - Elsevier
We investigate the possibility of achieving high fracture toughness and high strength by the
design of lightweight (density below water) metallic micro-architectured materials. The micro …

Ductile fracture of dual-phase steel sheets under bending

Y Liu, D Fan, SP Bhat, A Srivastava - International Journal of plasticity, 2020 - Elsevier
Ductile fracture involving nucleation, growth and coalescence of microscale voids limits the
performance, safety, reliability and manufacturability of a variety of metallic components and …

In-situ investigation of strain partitioning and microstructural strain path development up to and beyond necking

HS Oh, K Biggs, O Güvenç, H Ghassemi-Armaki… - Acta Materialia, 2021 - Elsevier
Multi-phase metallic materials exhibit significant levels of strain partitioning and localization
when plastically deformed. Connecting these microstructural processes to macroscopic …

Multi-information source fusion and optimization to realize ICME: Application to dual-phase materials

SF Ghoreishi, A Molkeri… - Journal of …, 2018 - asmedigitalcollection.asme.org
Integrated Computational Materials Engineering (ICME) calls for the integration of
computational tools into the materials and parts development cycle, while the Materials …