[HTML][HTML] Making sustainable aluminum by recycling scrap: The science of “dirty” alloys

D Raabe, D Ponge, PJ Uggowitzer, M Roscher… - Progress in materials …, 2022 - Elsevier
There are several facets of aluminum when it comes to sustainability. While it helps to save
fuel due to its low density, producing it from ores is very energy-intensive. Recycling it shifts …

Current challenges and opportunities in microstructure-related properties of advanced high-strength steels

D Raabe, B Sun, A Kwiatkowski Da Silva… - … Materials Transactions A, 2020 - Springer
This is a viewpoint paper on recent progress in the understanding of the microstructure–
property relations of advanced high-strength steels (AHSS). These alloys constitute a class …

Strengthening and strain hardening mechanisms in a precipitation-hardened high-Mn lightweight steel

MJ Yao, E Welsch, D Ponge, SMH Haghighat… - Acta Materialia, 2017 - Elsevier
We report on the strengthening and strain hardening mechanisms in an aged high-Mn
lightweight steel (Fe-30.4 Mn-8Al-1.2 C, wt.%) studied by electron channeling contrast …

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 …

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 …

Low density Fe–Mn–Al–C steels: phase structures, mechanisms and properties

I Gutierrez-Urrutia - ISIJ International, 2021 - jstage.jst.go.jp
This review introduces the structural phases, microstructural characteristics, and the most
relevant room and cryogenic properties of low density Fe–Mn–Al–C steels. The combination …

Formation mechanism of κ-carbides and deformation behavior in Si-alloyed FeMnAlC lightweight steels

Z Wang, W Lu, H Zhao, J He, K Wang, B Zhou… - Acta Materialia, 2020 - Elsevier
The formation of κ-carbides in austenite Fe-30Mn-9Al-1.2 C (wt.%) lightweight steels is
tuned via alloying of Si (0, 1, 2 wt.%), an element that can remarkably raise the activities of Al …

Advances in density-functional calculations for materials modeling

RJ Maurer, C Freysoldt, AM Reilly… - Annual Review of …, 2019 - annualreviews.org
During the past two decades, density-functional (DF) theory has evolved from niche
applications for simple solid-state materials to become a workhorse method for studying a …

Impact of interstitial C on phase stability and stacking-fault energy of the CrMnFeCoNi high-entropy alloy

Y Ikeda, I Tanaka, J Neugebauer, F Körmann - Physical Review Materials, 2019 - APS
Interstitial alloying in CrMnFeCoNi-based high-entropy alloys is known to modify their
mechanical properties. Specifically, strength can be increased due to interstitial solid …

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 …