Exceptional fracture toughness of CrCoNi-based medium-and high-entropy alloys at 20 kelvin

D Liu, Q Yu, S Kabra, M Jiang, P Forna-Kreutzer… - Science, 2022 - science.org
CrCoNi-based medium-and high-entropy alloys display outstanding damage tolerance,
especially at cryogenic temperatures. In this study, we examined the fracture toughness …

Effects of Cr/Ni ratio on physical properties of Cr-Mn-Fe-Co-Ni high-entropy alloys

C Wagner, A Ferrari, J Schreuer, JP Couzinié, Y Ikeda… - Acta Materialia, 2022 - Elsevier
Physical properties of ten single-phase FCC Cr x Mn 20 Fe 20 Co 20 Ni 40-x high-entropy
alloys (HEAs) were investigated for 0≤ x≤ 26 at%. The lattice parameters of these alloys …

Deformation mechanisms in an additively manufactured dual-phase eutectic high-entropy alloy

J Ren, M Wu, C Li, S Guan, J Dong, JB Forien, T Li… - Acta Materialia, 2023 - Elsevier
Nanostructured metals and alloys often exhibit high strengths but at the expense of reduced
ductility. Through harnessing the far-from-equilibrium processing conditions of laser powder …

Extra electron reflections in concentrated alloys do not necessitate short-range order

F Walsh, M Zhang, RO Ritchie, AM Minor, M Asta - nature materials, 2023 - nature.com
In many concentrated alloys of current interest, the observation of diffuse superlattice
intensities by transmission electron microscopy has been attributed to chemical short-range …

[HTML][HTML] Can experiment determine the stacking fault energy of metastable alloys?

X Sun, S Lu, R **e, X An, W Li, T Zhang, C Liang… - Materials & …, 2021 - Elsevier
Stacking fault energy (SFE) plays an important role in deformation mechanisms and
mechanical properties of face-centered cubic (fcc) metals and alloys. In many concentrated …

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 …

Elastic properties of AlxCrMnFeCoNi (0≤ x≤ 5) high-entropy alloys from ab initio theory

H Zhang, X Sun, S Lu, Z Dong, X Ding, Y Wang, L Vitos - Acta Materialia, 2018 - Elsevier
Using ab initio calculations, we investigate the elastic properties of paramagnetic Al x
CrMnFeCoNi (0≤ x≤ 5) high-entropy alloys (HEAs) in both body-centered cubic (bcc) and …

Density functional theory-based investigations of solute kinetics and precipitate formation in binary magnesium-rare earth alloys: A review

D Choudhuri, SG Srinivasan - Computational Materials Science, 2019 - Elsevier
Magnesium-rare earth (RE) alloys have received substantial attention over the last two
decades for light-weight fuel efficient applications because of their low density of 1.74 gm/cc …

Role of magnetic ordering for the design of quinary TWIP-TRIP high entropy alloys

X Wu, Z Li, Z Rao, Y Ikeda, B Dutta, F Körmann… - Physical Review …, 2020 - APS
We reveal the impact of magnetic ordering on stacking fault energy (SFE) and its influence
on the deformation mechanisms and mechanical properties in a class of nonequiatomic …

MnxCr0. 3Fe0. 5Co0. 2Ni0. 5Al0. 3 high entropy alloys for magnetocaloric refrigeration near room temperature

Z Dong, S Huang, V Ström, G Chai, LK Varga… - Journal of Materials …, 2021 - Elsevier
High entropy alloys (HEAs) based on transition metals display rich magnetic characteristics,
however attempts on their application in energy efficient technologies remain scarce. Here …