A new 1.2 GPa-strength plain low carbon steel with high ductility obtained by SRDR of martensite and intercritical annealing

F Yaghoobi, R Jamaati, HJ Aval - Materials Science and Engineering: A, 2020 - Elsevier
In the current research, a new technique to produce ultra-high strength ferrite-martensite
dual phase (DP) steels with high ductility was developed for a low-cost plain low carbon …

Achieving high strength and high ductility of austenitic steel by cold rolling and reverse annealing

G Niu, Q Tang, H Wu, N Gong, Y Yin, D Tang - Materialia, 2019 - Elsevier
The objective of the present study is to obtain a medium Mn austenitic stainless steel with
excellent mechanical properties induced by the combination of high dislocation density and …

Improving the stretch flangeability of ultra-high strength TRIP-assisted steels by introducing banded structure

Y Wang, Y Xu, X Wang, J Zhang, F Peng, X Gu… - Materials Science and …, 2022 - Elsevier
A novel ultra-high strength transformation induced plasticity (TRIP)-assisted steel with a
better combination of ductility and stretch flangeability was fabricated by introducing a …

A new 2.4 GPa extra-high strength steel with good ductility and high toughness designed by synergistic strengthening of nano-particles and high-density dislocations

T Liu, Z Cao, H Wang, G Wu, J Jin, W Cao - Scripta Materialia, 2020 - Elsevier
Abstract A new 0.25 C2Cr10Ni8Co2Mo2Al steel was designed and fabricated by vacuum
induction melting, forging and heat treatments. Excellent mechanical properties with a …

Structure-property relationship in a 2 GPa grade micro-alloyed ultrahigh strength steel

G Mandal, C Roy, SK Ghosh, S Chatterjee - Journal of Alloys and …, 2017 - Elsevier
Ultrahigh strength steel is designed for light-weight cost-effective parts with improved safety
by dint of high strength coupled with better fuel efficiency for automotive and aerospace …

High–strain–rate deformation of a nanoprecipitate–strengthened dual–phase steel

Y Yu, Y Zhang, S Xu, J Han, J Li, C Guo, F Jiang… - International Journal of …, 2024 - Elsevier
High–strain–rate deformation of steels is prone to generating localized adiabatic shear
bands (ASB) due to strain localization, leading to plastic instability and fracture …

Mechanism of twinning induced plasticity in austenitic lightweight steel driven by compositional complexity

ZH Lai, YH Sun, YT Lin, JF Tu, HW Yen - Acta Materialia, 2021 - Elsevier
The current work investigated the mechanical behaviors of a novel austenitic lightweight Fe-
Mn-Al-Si-C steel that combined the characteristics of lightweight steel and TWIP steel, due to …

[HTML][HTML] Simultaneous increase of ultimate tensile strength and uniform elongation of 30Si2MnCrMoVE ultra-high strength steel by hot deformation direct quenching …

H Wang, D Liu, J Wang, Y Yang, H Wang, N Lv… - Journal of Materials …, 2022 - Elsevier
In order to further improve the combination of strength and ductility for 30Si2MnCrMoVE ultra-
high strength steel (UHSS), a thermomechanical treatment, named deformation direct …

Extraordinary strength–ductility–toughness in Fe–0.08 C plain low-carbon steel via introducing weblike martensite: towards the third generation

F Khorasani, R Jamaati, HJ Aval - Materials Chemistry and Physics, 2023 - Elsevier
The effect of large-strain cold rolling followed by intercritical annealing on the microstructure
and mechanical properties of plain low-carbon steel was investigated. The grain size of …

A novel strategy for preparing high-performance powder metallurgical low alloy ultrahigh strength steel

Y Duan, W Zhu, W Liu, Y Ma, Q Cai, Y Cai - Materials Science and …, 2023 - Elsevier
In this study, a combined process of hot isostatic pressing and hot rolling (HIP-rolling) is
developed to prepare high-performance powder metallurgical (PM) low alloy ultrahigh …