Physical metallurgy of medium-Mn advanced high-strength steels

B Sun, A Kwiatkowski da Silva, Y Wu, Y Ma… - International …, 2023 - Taylor & Francis
Steels with medium manganese (Mn) content (3∼ 12 wt-%) have emerged as a new alloy
class and received considerable attention during the last decade. The microstructure and …

[HTML][HTML] High entropy alloys–Tunability of deformation mechanisms through integration of compositional and microstructural domains

RS Mishra, RS Haridas, P Agrawal - Materials Science and Engineering: A, 2021 - Elsevier
The paradigm shift of alloying approach that led to high entropy alloys (HEAs) is now well
established. Although the initial years were dominated by equiatomic approach, recent …

A review of the serrated-flow phenomenon and its role in the deformation behavior of high-entropy alloys

J Brechtl, S Chen, C Lee, Y Shi, R Feng, X Xie… - Metals, 2020 - mdpi.com
High-entropy alloys (HEAs) are a novel class of alloys that have many desirable properties.
The serrated flow that occurs in high-entropy alloys during mechanical deformation is an …

A review of the processing, microstructure and property relationships in medium Mn steels

TWJ Kwok, D Dye - International Materials Reviews, 2023 - journals.sagepub.com
Medium Mn steels are an emerging class of 3rd generation advanced high-strength steels.
These steels have received significant attention due to their high strengths, large ductilities …

Towards a greater understanding of serrated flows in an Al-containing high-entropy-based alloy

J Brechtl, SY Chen, X Xie, Y Ren, JW Qiao… - International Journal of …, 2019 - Elsevier
A serrated flow, which occurs in a material undergoing mechanical deformation, is a
complex process of great engineering significance. Here statistical, dynamical, and …

Temperature and stress dependent twinning behavior in a fully austenitic medium-Mn steel

DJ Magagnosc, DM Field, CS Meredith, K An… - Acta Materialia, 2022 - Elsevier
In this study in situ neutron diffraction investigations of a fully austenitic medium-Mn steel
enabled key insights into the temperature dependence of the deformation response with a …

The mechanism of dynamic strain aging for type A serrations in tensile curves of a medium-Mn steel

JH Nam, SK Oh, M Park, YK Lee - Acta Materialia, 2021 - Elsevier
The objective of the present study is to clarify the mechanism of dynamic strain aging (DSA)
causing serrations in tensile flow curves of Fe-5.15 Mn-0.15 C-0.37 Si-0.0039 N (wt%) …

[HTML][HTML] Unusual step-like stress flow behavior and mechanisms of a 1.3 GPa grade medium-Mn steel with 51.2% ductility

S Yan, Z Yu, T Liang, S Wang, W Li, X Tao, X Liu - Materials & Design, 2023 - Elsevier
Abstract A Fe-8.9 Mn-1.59 Si-1.0 Al-0.25 C medium-Mn steel have achieved a superior
combination of strength and ductility, ie, the product of strength and elongation (PSE) of 66.5 …

A new hot-rolled lightweight steel with ultra-high strength and good ductility designed by dislocation character and transformation strain

C Song, H Wang, Z Sun, J Xu, H Chen, W Yin - Scripta Materialia, 2022 - Elsevier
The method of Si substituting for Al was proposed to design a novel hot-rolled lightweight
steel with ultra-high ultimate tensile strength (2046 MPa) and good total elongation after …

Influence of co-existing medium Mn and dual phase steel microstructures on ductility and Lüders band formation

ZY Liang, ZH Cao, J Lu, MX Huang, CC Tasan - Acta Materialia, 2021 - Elsevier
The mechanical property spectrum of steels can be expanded to new limits through
combining the characteristic microstructures of different steel grades in a single steel. Here …