[HTML][HTML] High entropy alloys–Tunability of deformation mechanisms through integration of compositional and microstructural domains

RS Mishra, RS Haridas, P Agrawal - Materials Science and Engineering: A, 2021 - Elsevier
The paradigm shift of alloying approach that led to high entropy alloys (HEAs) is now well
established. Although the initial years were dominated by equiatomic approach, recent …

Effect of metallurgical behavior on microstructure and properties of FeCrMoMn coatings prepared by high-speed laser cladding

J Yang, B Bai, H Ke, Z Cui, Z Liu, Z Zhou, H Xu… - Optics & Laser …, 2021 - Elsevier
In this research, FeCrMoMn coatings with excellent corrosion resistance and metallurgical
quality were deposited on the 45# steel substrate by conventional and high-speed laser …

Effect of nitrogen on microstructure and mechanical properties of the CoCrFeMnNi high-entropy alloy after cold rolling and subsequent annealing

A Semenyuk, M Klimova, D Shaysultanov… - Journal of Alloys and …, 2021 - Elsevier
The effect of nitrogen on the structure and mechanical behavior of a CoCrFeMnNi high-
entropy alloy after rolling and subsequent annealing was examined. The as-cast alloys …

Ultra-strong and strain-hardenable ultrafine-grained medium-entropy alloy via enhanced grain-boundary strengthening

JM Park, DC Yang, HJ Kim, DG Kim, S Lee… - Materials Research …, 2021 - Taylor & Francis
An equiatomic VCoNi medium-entropy alloy possesses high sensitivity to grain-boundary
strengthening, achieved by severe lattice distortions. Its ultrafine-grain structure enables 1.5 …

The effects of Y pre-alloying on the in-situ dispersoids of ODS CoCrFeMnNi high-entropy alloy

SH Chung, B Lee, SY Lee, C Do, HJ Ryu - Journal of Materials Science & …, 2021 - Elsevier
Oxide dispersion strengthened CoCrFeMnNi high-entropy alloys (ODS-HEAs) were
prepared using two different powder preparation methods classified by yttrium addition …

Revisiting the role of prestrain history in the mechanical properties of ultrafine-grained CoCrFeMnNi high-entropy alloy

SJ Sun, YZ Tian, HR Lin, ZJ Wang, ZF Zhang - Materials Science and …, 2021 - Elsevier
The yield strength of face-centered cubic (FCC) alloy is always insufficient for applications.
In this work, different prestrain histories were imposed to improve the yield strength and …

Calculation and construction of deformation mechanism maps and processing maps for CoCrFeMnNi and Al0. 5CoCrFeMnNi high-entropy alloys

HT Jeong, WJ Kim - Journal of Alloys and Compounds, 2021 - Elsevier
Though extensive studies have been performed on high entropy alloys, there is still a lack of
understanding of their high-temperature deformation mechanisms. By systematically …

Ultra-strong nanostructured Co-Ni-V medium entropy alloy thin film designed by interface strengthening

M Hu, Q Cao, X Wang, D Zhang, JZ Jiang - Thin Solid Films, 2021 - Elsevier
In this work, amorphous and nanocrystalline Co-Ni-V medium entropy alloy (MEA) thin films
were prepared by magnetron sputtering via tuning substrate temperature. The …

Tuning nanostructure and mechanical property of Fe–Co–Ni–Cr–Mn high-entropy alloy thin films by substrate temperature

M Hu, QP Cao, XD Wang, DX Zhang, JZ Jiang - Materials Today Nano, 2021 - Elsevier
Improving the mechanical property of high-entropy alloys (HEAs) with face-centered cubic
(fcc) structure is critical for their potential applications. In this study, the effects of substrate …

A mechanistic perspective on the kinetics of plastic deformation in FCC High Entropy Alloys: Effect of strain, strain rate and temperature

A Raturi, K Biswas, NP Gurao - Scripta Materialia, 2021 - Elsevier
Strain rate sensitivity and activation volume that dictate the kinetics of plastic deformation
along with strain hardening response determine the plastic deformation behaviour of novel …