Single-phase high-entropy alloys–A critical update

W Steurer - Materials Characterization, 2020 - Elsevier
Maximization of the configurational entropy–this has been the magic formula promising
thousands or even millions of intermetallic multiple-principal-element solid solutions with …

Deformation-induced martensitic transformations: a strategy for overcoming the strength-ductility trade-off in high-entropy alloys

MS Mehranpour, N Rasooli, HS Kim… - Current Opinion in Solid …, 2024 - Elsevier
High-entropy alloys (HEAs) have become an important topic in modern materials science
due to their exceptional properties. Despite their attractive properties, achieving a superior …

Hierarchical precipitates, sequential deformation-induced phase transformation, and enhanced back stress strengthening of the micro-alloyed high entropy alloy

G Yang, JK Kim - Acta Materialia, 2022 - Elsevier
We report the annealing time-dependent microstructures and deformation mechanisms of
the novel face-centered cubic Fe 49.5 Mn 30 Co 10 Cr 10 C 0.2 Ti 0.1 V 0.1 Mo 0.1 HEA …

Deformation behavior of a Co-Cr-Fe-Ni-Mo medium-entropy alloy at extremely low temperatures

J Moon, E Tabachnikova, S Shumilin, T Hryhorova… - Materials Today, 2021 - Elsevier
We report the mechanical and microstructural characteristics of a medium-entropy alloy, Co
17.5 Cr 12.5 Fe 55 Ni 10 Mo 5 (atomic percent, at%) at cryogenic temperatures, down to a …

Exceptional strength-ductility synergy in the novel metastable FeCoCrNiVSi high-entropy alloys via tuning the grain size dependency of the transformation-induced …

MS Mehranpour, MJ Sohrabi, A Kalhor, JH Lee… - International Journal of …, 2024 - Elsevier
In-depth knowledge of the coupling between grain refinement and the transformation-
induced plasticity (TRIP) effect in metastable alloys is a viable approach for the improvement …

Machine-learning-based intelligent framework for discovering refractory high-entropy alloys with improved high-temperature yield strength

SA Giles, D Sengupta, SR Broderick… - npj Computational …, 2022 - nature.com
Refractory high-entropy alloys (RHEAs) show significant elevated-temperature yield
strengths and have potential to use as high-performance materials in gas turbine engines …

A powder-metallurgy-based fabrication route towards achieving high tensile strength with ultra-high ductility in high-entropy alloy

P Asghari-Rad, P Sathiyamoorthi, NTC Nguyen… - Scripta Materialia, 2021 - Elsevier
The strength-ductility trade-off dilemma is perennially problematic in the materials science
community. In particular, the attainability of high tensile strength and large elongation is …

The dual effect of grain size on the strain hardening behaviors of Ni-Co-Cr-Fe high entropy alloys

X Liu, S Jiang, J Lu, J Wei, D Wei, F He - Journal of Materials Science & …, 2022 - Elsevier
It has been well documented that grain size plays a critical role in the strain hardening
behaviors of metals and alloys. However, the influence of grain size on the strain hardening …

Additive manufacturing of stellite 6 superalloy by direct laser metal deposition–Part 2: Effects of scanning pattern and laser power reduction in differrent layers

M Moradi, A Hasani, ZM Beiranvand… - Optics & Laser …, 2020 - Elsevier
In this study, the purpose is to investigate two strategies for direct laser metal deposition
method (DLMD) additive manufacturing of stellite 6 Cobalt-based superalloy experimentally …

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 …