Medium Mn transformation-induced plasticity steels: Recent progress and challenges

DW Suh, SJ Kim - Scripta Materialia, 2017 - Elsevier
We highlight the recent advance in strong transformation-induced plasticity (TRIP) steels,
which have higher alloying contents compared to the conventional TRIP steels for achieving …

The role of transformation‐induced plasticity in the development of advanced high strength steels

L Liu, B He, M Huang - Advanced Engineering Materials, 2018 - Wiley Online Library
Lightweight structural components made of advanced high‐strength steels (AHSSs) in the
automotive industry can substantially reduce greenhouse gas emissions. The 3rd …

Super-high-strength and formable medium Mn steel manufactured by warm rolling process

B Hu, BB He, GJ Cheng, HW Yen, MX Huang, HW Luo - Acta Materialia, 2019 - Elsevier
In this paper, we demonstrate the design and manufacture of super-high strength medium
Mn steel with good ductility, via the combination of warm rolling and V alloying. This new …

A novel two-step intercritical annealing process to improve mechanical properties of medium Mn steel

B Hu, H Luo - Acta Materialia, 2019 - Elsevier
In this paper, we present a novel two-step intercritical annealing process, ie a-few-minute
interruption during heating followed by a short intercritical annealing, to improve the …

Discontinuous strain-induced martensite transformation related to the Portevin-Le Chatelier effect in a medium manganese steel

B Sun, N Vanderesse, F Fazeli, C Scott, J Chen… - Scripta Materialia, 2017 - Elsevier
The correlation between the strain-induced martensite transformation (SIMT) and the
Portevin-Le Chatelier (PLC) effect during tensile testing of a ferrite-austenite duplex medium …

Deformation mechanisms for a new medium-Mn steel with 1.1 GPa yield strength and 50% uniform elongation

W Wang, Y Liu, Z Zhang, M Yang, L Zhou… - Journal of Materials …, 2023 - Elsevier
A new medium-Mn steel was designed to achieve unprecedented tensile properties, with a
yield strength beyond 1.1 GPa and a uniform elongation over 50%. The tensile behavior …

Quantitatively evaluating the huge Lüders band deformation in an ultrafine grain stainless steel by combining in situ neutron diffraction and digital image correlation …

W Mao, S Gao, W Gong, S Harjo, T Kawasaki, N Tsuji - Scripta Materialia, 2023 - Elsevier
In the present study, a hybrid in situ neutron diffraction and digital image correlation
measurement was performed on tensile deformation of an ultrafine grain (UFG) stainless …

Enhancing strength–ductility synergy in medium Mn steel with hetero-structured austenite developed by two-stage cyclic thermomechanical treatment and flash …

Q Jia, L Chen, X Chen, H Choi, Z Xing, S Lee, H Kim… - Scripta Materialia, 2023 - Elsevier
In this study, a novel and efficient processing strategy involving a two-stage
thermomechanical process and flash annealing (FA) was applied to medium Mn steel …

On the characteristics of Portevin–Le Chatelier bands in cold-rolled 7Mn steel showing transformation-induced plasticity

F Yang, H Luo, E Pu, S Zhang, H Dong - International Journal of Plasticity, 2018 - Elsevier
Strain localization during tensile deformation of cold-rolled and annealed 7Mn steel were
investigated under various strain rates and deformation temperatures. The retained …

Nanoindentation investigation on the initiation of yield point phenomenon in a medium Mn steel

BB He, ZY Liang, MX Huang - Scripta Materialia, 2018 - Elsevier
In general, the medium Mn steel with a dual phase microstructure of austenite and ferrite has
a yield point phenomenon. It is still not clear which phase firstly initiates the plasticity and …