Processing, microstructure adjustments, and mechanical properties of dual phase steels: a review

A Kalhor, A Karimi Taheri, H Mirzadeh… - Materials Science …, 2021 - Taylor & Francis
In this review, effects of initial microstructure before intercritical annealing and processing
routes of dual phase (DP) high strength steels are discussed. Prior-applied deformation …

On the role of chemical heterogeneity in phase transformations and mechanical behavior of flash annealed quenching & partitioning steels

G Liu, T Li, Z Yang, C Zhang, J Li, H Chen - Acta Materialia, 2020 - Elsevier
The microstructure of advanced high-strength steels (AHSSs) is usually designed via
adjusting austenite decomposition behavior upon cooling, while relatively less attention was …

Effect of ultra-fast heating on microstructure and mechanical properties of cold-rolled low-carbon low-alloy Q&P steels with different austenitizing temperature

X Tan, W Lu, X Rao - Materials Characterization, 2022 - Elsevier
We performed ultra-fast heating (150° C/s) quenching and partitioning (Q&P) processes to a
cold-rolled low-carbon low-alloy steel. Adjusting the annealing temperature, we obtained …

[HTML][HTML] On the surface segregation of Sn in cold-rolled Fe under continuous annealing conditions

J Wagner, JR McDermid - Materialia, 2024 - Elsevier
The surface segregation of Sn in cold-rolled Fe-0.03 Sn and Fe-0.01 Sn (at.%) model alloys
was investigated for annealing parameters characteristic of continuous galvanizing lines …

Interaction between ferrite recrystallization and austenite formation in dual-phase steel manufacture

B Bandi, J Van Krevel, P Srirangam - Metallurgical and Materials …, 2022 - Springer
In this publication, the effect of heating rate on microstructural evolution of manganese
segregated cold reduced dual phase steels is systematically studied for different inter-critical …

Segregation neutralised steels: microstructural banding elimination from dual-phase steel through alloy design accounting for inherent segregation

C Slater, B Bandi, P Dastur, C Davis - Metallurgical and Materials …, 2022 - Springer
Banding in commercial dual-phase steels, such as banded ferrite and pearlite or ferrite and
martensite microstructures, is inherited from segregation during solidification in continuously …

[HTML][HTML] New route for fabricating low-carbon ductile martensite to optimize the stretch-flangeability of dual-phase steel

G Liu, H Guo, S Wang, T Liao, H Wu, X Ruan… - Journal of Materials …, 2024 - Elsevier
Traditional cold-rolling dual-phase steel (CR sheet), limited by poor stretch-flangeability as
indicated by the hole expansion rate (HER), faces challenges in manufacturing complex …

The formation of a mixed martensitic/bainitic microstructure and the retainment of austenite in a medium-carbon steel during ultra-fast heating

A Banis, M Bouzouni, E Gavalas… - Materials Today …, 2021 - Elsevier
The current work focuses on the microstructure evolution of a medium-carbon steel during
an ultra-fast heating cycle. Electron microscopy methods such as Scanning Electron …

Effect of manganese bands on austenite formation of low carbon steels in dual phase steel manufacture

B Bandi, J van Krevel, S Nandi, Z Husain… - Materials Today …, 2021 - Elsevier
A model has been developed to predict the heating rates required to obtain a specific
amount of overlap between ferrite recrystallization and austenite formation in the heating …

Investigating the sensitivity of dual-phase steel microstructure to continuous annealing line parameters

B Bandi, C Slater, D Farrugia… - Ironmaking & …, 2024 - journals.sagepub.com
The mechanical properties of dual-phase (DP) steels are influenced by ferrite grain size,
martensite distribution/morphology, and strength differences between ferrite/martensite …