A general perspective of Fe–Mn–Al–C steels

OA Zambrano - Journal of materials science, 2018 - Springer
During the last years, the scientific and industrial community has focused on the astonishing
properties of Fe–Mn–Al–C steels. These high advanced steels allow high-density reductions …

Fusion weldabilities of advanced high manganese steels: A review

G Park, S Jeong, C Lee - Metals and Materials International, 2021 - Springer
A large amount of manganese has been added to next-generation advanced high strength
steels for automotive applications. The increased manganese content changes the …

Hydrogen-assisted decohesion associated with nanosized grain boundary κ-carbides in a high-Mn lightweight steel

MN Elkot, B Sun, X Zhou, D Ponge, D Raabe - Acta Materialia, 2022 - Elsevier
While age-hardened austenitic high-Mn and high-Al lightweight steels exhibit excellent
strength-ductility combinations, their properties are strongly degraded when mechanically …

Effect of Mo and Cr additions on the microstructure, mechanical properties and pitting corrosion resistance of austenitic Fe-30Mn-10.5 Al-1.1 C lightweight steels

J Moon, HY Ha, SJ Park, TH Lee, JH Jang… - Journal of Alloys and …, 2019 - Elsevier
Abstract Five Fe-30 wt% Mn-10.5 wt% Al-1.1 wt% C steels containing different Mo and Cr
contents were prepared to investigate the effect of Mo and Cr addition on the microstructure …

Effects of Cr on pitting corrosion resistance and passive film properties of austenitic Fe–19Mn–12Al–1.5 C lightweight steel

HY Ha, KW Kim, SJ Park, TH Lee, H Park, J Moon… - Corrosion …, 2022 - Elsevier
The effects of Cr on microstructure, pitting corrosion resistance, and passive film properties
of austenitic Fe–19Mn–12Al–1.5 C–(0–7.3 wt%) Cr lightweight steel were studied …

Investigations of the microstructure evolution and tensile deformation behavior of austenitic Fe-Mn-Al-C lightweight steels and the effect of Mo addition

J Moon, SJ Park, JH Jang, TH Lee, CH Lee, HU Hong… - Acta Materialia, 2018 - Elsevier
A series of Fe-30 wt% Mn-10.5 wt% Al-1.1 wt% C steels with Mo addition from 0 to 5 wt%
were prepared to investigate the effect of Mo on the microstructure and tensile deformation …

[HTML][HTML] A new class of lightweight, stainless steels with ultra-high strength and large ductility

J Moon, HY Ha, KW Kim, SJ Park, TH Lee, SD Kim… - Scientific …, 2020 - nature.com
Steel is the global backbone material of industrialized societies, with more than 1.8 billion
tons produced per year. However, steel-containing structures decay due to corrosion …

κ-Carbide assisted nucleation of B2: A novel pathway to develop high specific strength steels

A Zargaran, TTT Trang, G Park, NJ Kim - Acta Materialia, 2021 - Elsevier
Controlling morphology of B2 phase as nano-sized particles that are homogenously
distributed within austenite matrix has been remained as a challenging task particularly for …

Revisiting the formation mechanism of intragranular κ-carbide in austenite of a Fe-Mn-Al-Cr-C low-density steel

J Zhang, Y Jiang, W Zheng, Y Liu, A Addad, G Ji… - Scripta Materialia, 2021 - Elsevier
It was usually believed that the formation of intragranular κ-carbide in γ-austenite was
attributed to spinodal decomposition followed by ordering reaction. In this work, near-atomic …

[HTML][HTML] Strain hardening recovery mediated by coherent precipitates in lightweight steel

SD Kim, SJ Park, JH Jang, J Moon, HY Ha, CH Lee… - Scientific reports, 2021 - nature.com
We investigated the effect of κ-carbide precipitates on the strain hardening behavior of aged
Fe–Mn-Al-C alloys by microstructure analysis. The κ-carbides-strengthened Fe–Mn-Al-C …