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 …

[HTML][HTML] The relative contributions of TWIP and TRIP to strength in fine grained medium-Mn steels

TWJ Kwok, P Gong, R Rose, D Dye - Materials Science and Engineering: A, 2022 - Elsevier
A medium Mn steel of composition Fe-4.8 Mn-2.8 Al-1.5 Si-0.51 C (wt.%) was processed to
obtain two different microstructures representing two different approaches in the hot rolling …

Comparative study of tensile properties and impact toughness of duplex lightweight steel

J Yang, HW Lee, TM Park, S Lee, J Han - Materials Science and …, 2024 - Elsevier
Herein, a comparative study regarding the tensile properties and impact toughness of
duplex lightweight steel and its deformation behavior was conducted to broaden its …

[HTML][HTML] Kinetics and microstructure evolution of dynamic recrystallization of medium-Mn steel during hot working

X Sun, B Wang, Y Duan, Q Liu, X Xu, S Wang… - Journal of Materials …, 2023 - Elsevier
The dynamic recrystallization (DRX) behavior and microstructure evolution of medium-Mn
(0.15 C–10Mn) steel were investigated through isothermal hot compression tests. The flow …

[HTML][HTML] Effects of TRIP and TWIP mechanisms on improved charpy impact energy of thick hot-rolled duplex lightweight steel plates

HJ Cho, YH Jo, J Yang, S Lee - Journal of Materials Research and …, 2024 - Elsevier
Charpy V-notch impact testing serves as a fundamental method for assessing the toughness
of conventional steels, but its applicability becomes challenging for duplex (δ-ferrite+ γ …

Micro-mechanisms of failure in nano-structured maraging steels characterised through in situ mechanical tests

K Jacob, H Sahasrabuddhe, A Hohenwarter… - …, 2022 - iopscience.iop.org
Abstract High-pressure-torsion (HPT) processing introduces a large density of dislocations
that form sub-grain boundaries within the refined nano-scale structure, leading to changes in …

Carbon in solution and the Charpy impact performance of medium Mn steels

TWJ Kwok, FF Worsnop, JO Douglas, D Dye - Metallurgical and Materials …, 2023 - Springer
Carbon is a well known austenite stabiliser and can be used to alter the stacking fault
energy and stability against martensitic transformation in medium Mn steels, producing a …

Measurement of fracture toughness in high-strength alloys via modified limit load analysis using flat-end cylindrical indenter

SI Okocha, PYB Jar, MT Hendry - Theoretical and Applied Fracture …, 2024 - Elsevier
In this paper, fracture toughness (KJ) was measured for high strength rail steels and AL2024-
T351 via chamfered cylindrical flat-end indentation. The indentation loading focused on …

Influence of pre-strain on nano-scale elasto-plastic response and dislocation activities in Ni added multiphase lightweight steel: Experimental and simulation …

D Ghosh, S Kumar, RK Jha, YH Mozumder, S Mandal - Materialia, 2024 - Elsevier
The current work highlights the variation in dislocation nucleation mechanisms and local
deformation behavior of undeformed (homogenized) and deformed (forged) Ni-containing …