Fundamentals and application of solid-state phase transformations for advanced high strength steels containing metastable retained austenite

Z Dai, H Chen, R Ding, Q Lu, C Zhang, Z Yang… - Materials Science and …, 2021 - Elsevier
Over many decades, significant efforts have been made to improve the strength-elongation
product of advanced high strength steels (AHSSs) by creating tailored multi-phase …

Processing and properties of reversion-treated austenitic stainless steels

A Järvenpää, M Jaskari, A Kisko, P Karjalainen - Metals, 2020 - mdpi.com
Strength properties of annealed austenitic stainless steels are relatively low and therefore
improvements are desired for constructional applications. The reversion of deformation …

On the mechanism of Mn partitioning during intercritical annealing in medium Mn steels

Q Guo, HW Yen, H Luo, SP Ringer - Acta Materialia, 2022 - Elsevier
To understand how solute Mn in the reverted austenite is able to rapidly partition to near-
equilibrium concentration values during the typically short intercritical annealing (IA) of …

The microstructure evolution and tensile properties of medium-Mn steel heat-treated by a two-step annealing process

DP Yang, PJ Du, D Wu, HL Yi - Journal of Materials Science & Technology, 2021 - Elsevier
Abstract The martensitic hot-rolled 0.3 C-6Mn-1.5 Si (wt%) steel was annealed at 630° C for
24 h to improve its cold rollability, followed by cold rolling and annealing at 670° C for 10 …

A strong and ductile medium Mn steel manufactured via ultrafast heating process

P Wen, B Hu, J Han, H Luo - Journal of Materials Science & Technology, 2022 - Elsevier
Ultrafast heating (UFH) at the rates of 10–300° C/s was employed as a new strategy to
anneal a cold-rolled 7wt% Mn steel, followed by the immediate cooling. Severely deformed …

Excellent strength-ductility synergy in a novel medium manganese steel containing 2.4 Al-2.9 Mn-4.1 Ni realized through limited thermo-mechanical processing steps

S Kumar, R Rakshit, AD Prasad, B Jayabalan… - Materials Science and …, 2023 - Elsevier
In this study, the effect of microstructural and micro-textural evolution on tensile properties in
hot forged (HF) and hot rolled (HR) medium-Mn steel containing∼ 4 wt% Ni is systematically …

Microstructural evolution and mechanical behavior of a novel heterogeneous medium Mn cold-rolled steel

X Zhang, J Yan, T Liu, H Liu, Y Shi, Q Zhou… - Materials Science and …, 2021 - Elsevier
A novel heterogeneous medium Mn steel with a nominal composition of Fe-0.18 C-7.8 Mn-
1.65 Al-0.04 Ce wt.% is successfully fabricated by introducing various nucleation energy …

New microstructure of butterfly white etching area in rolling contact fatigue of bearing steel

YB Wang, SX Li, SY Lu, J Cao - Tribology International, 2023 - Elsevier
Butterfly white etching area (WEA) formed at subsurface inclusions under rolling contact
fatigue (RCF) of bearing steel was investigated by using the Scanning Electronic Microscopy …

Ultra-high-strength multi-alloyed steel with enhanced cryogenic toughness using thermally stable retained austenite

C Zhou, QB Ye, J Hu, T Zhao, XH Gao… - Materials Science and …, 2022 - Elsevier
In low-carbon steel, obtaining ultra-high-strength inevitably deteriorates ductility and
cryogenic toughness. Therefore, in this study, we investigated the role of “lamellarization” on …

On the role of cellular microstructure in austenite reversion in selective laser melted maraging steel

Y Yao, L Fan, R Ding, C Franke, Z Yang, W Liu… - Journal of Materials …, 2024 - Elsevier
Cellular microstructure is a unique feature in alloys fabricated by selective laser melting
(SLM). Abundant efforts have been made to reveal the formation mechanism of cellular …