Nanomaterials by severe plastic deformation: review of historical developments and recent advances

K Edalati, A Bachmaier, VA Beloshenko… - Materials Research …, 2022 - Taylor & Francis
Severe plastic deformation (SPD) is effective in producing bulk ultrafine-grained and
nanostructured materials with large densities of lattice defects. This field, also known as …

Mechanical behavior of high-entropy alloys

W Li, D Xie, D Li, Y Zhang, Y Gao, PK Liaw - Progress in Materials Science, 2021 - Elsevier
Research in the field of high-entropy alloys has been surging since the 2010s. As widely
acknowledged, research interests in this field are largely sparked by the enormous …

Cantor-derived medium-entropy alloys: bridging the gap between traditional metallic and high-entropy alloys

FDC Garcia Filho, RO Ritchie, MA Meyers… - journal of materials …, 2022 - Elsevier
The year 2004 marked the beginning of a new era in the design of metallic materials, as the
concept of multiple principal component alloys, commonly known as High-Entropy Alloys …

Significance of grain refinement on micro-mechanical properties and structures of additively-manufactured CoCrFeNi high-entropy alloy

W Zhao, JK Han, YO Kuzminova, SA Evlashin… - Materials Science and …, 2021 - Elsevier
Grain refinement is an effective approach to improve mechanical properties of
conventionally-manufactured high entropy alloys (HEAs). Additive manufacturing of HEAs is …

Microstructure and microhardness of dual-phase high-entropy alloy by high-pressure torsion: Twins and stacking faults in FCC and dislocations in BCC

P Edalati, A Mohammadi, M Ketabchi… - Journal of Alloys and …, 2022 - Elsevier
Following the introduction of high-entropy alloys (HEAs) with five or more principal elements,
dual-phase HEAs have recently received significant attention due to their promising …

Ultrahigh hardness in nanostructured dual-phase high-entropy alloy AlCrFeCoNiNb developed by high-pressure torsion

P Edalati, A Mohammadi, M Ketabchi… - Journal of Alloys and …, 2021 - Elsevier
High-entropy alloys (HEAs) usually show higher hardness compared to conventional alloys
due to the presence of five or more principal metals in the solid-solution form, but there are …

Effect of Si on the evolution of plasticity mechanisms, grain refinement and hardness during high-pressure torsion of a non-equiatomic CoCrMnNi multi-principal …

K Kishore, AK Chandan, PT Hung, S Kumar… - International Journal of …, 2023 - Elsevier
The present study unraveled the defining role of small silicon (Si) addition (5 atomic%) in
dramatically altering the plasticity mechanisms, grain refinement and hardening response of …

Factors determining solid solution phase formation and stability in CoCrFeNiX0. 4 (X= Al, Nb, Ta) high entropy alloys fabricated by powder plasma arc additive …

Y Zhang, X Chen, S Jayalakshmi, RA Singh… - Journal of Alloys and …, 2021 - Elsevier
In high entropy alloys (HEAs), the formation of solid solution phase is governed by main
factors such as mixing entropy, mixing enthalpy, atomic radii, and atomic size difference …

Effect of nickel addition on enhancing nano-structuring and suppressing TRIP effect in Fe40Mn40Co10Cr10 high entropy alloy during high-pressure torsion

AK Chandan, K Kishore, PT Hung, M Ghosh… - International Journal of …, 2022 - Elsevier
The present work unravels the effect of nickel (Ni) addition on the deformation mechanism
and hardness evolution in a Fe 40 Mn 40 Co 10 Cr 10 high entropy alloy (HEA) during high …

Microstructure and defect effects on strength and hydrogen embrittlement of high-entropy alloy CrMnFeCoNi processed by high-pressure torsion

A Mohammadi, P Edalati, M Arita, JW Bae… - Materials Science and …, 2022 - Elsevier
High-entropy alloys (HEAs) are considered as new hydrogen compatible materials, but
enhancing their yield strength without deteriorating their hydrogen embrittlement resistance …