Bidirectional Phase Transformations in Multi‐Principal Element Alloys: Mechanisms, Physics, and Mechanical Property Implications
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Science"
DOI: 10.1002/advs.202407283
Abstract: The emergence of multi‐principal element alloys (MPEAs) heralds a transformative shift in the design of high‐performance alloys. Their ingrained chemical complexities endow them with exceptional mechanical and functional properties, along with unparalleled microscopic plastic mechanisms,… read more here.
Keywords: multi principal; principal element; element alloys; transformation ... See more keywords
Mitigating Strain Localization via Stabilized Phase Boundaries for Strengthening Multi‐Principal Element Alloys
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Science"
DOI: 10.1002/advs.202414783
Abstract: Multi‐principal element alloys (MPEA) demonstrate exceptional stability during rapid solidification, making them ideal candidates for additive manufacturing and other high‐design‐flexibility techniques. Unexpectedly, MPEA failure often mimics that of conventional metals, with strain localization along phase… read more here.
Keywords: strain localization; multi principal; principal element; element alloys ... See more keywords
Design of Nickel-Cobalt-Ruthenium multi-principal element alloys
Sign Up to like & getrecommendations! Published in 2020 at "Acta Materialia"
DOI: 10.1016/j.actamat.2020.05.003
Abstract: Abstract The possibility of designing multi-principal element alloys in the Ni-Co-Ru system is investigated by first-principles and experimental means. A high-throughput first-principles approach is employed to probe the effect of composition on planar fault energies.… read more here.
Keywords: multi principal; nickel; principal element; element alloys ... See more keywords
Vacancy diffusion in multi-principal element alloys: The role of chemical disorder in the ordered lattice
Sign Up to like & getrecommendations! Published in 2020 at "Acta Materialia"
DOI: 10.1016/j.actamat.2020.06.022
Abstract: Abstract Many of the purported virtues of Multi-Principal Element Alloys (MPEAs), such as corrosion, high-temperature oxidation and irradiation resistance, are highly sensitive to vacancy diffusivity. Similarly, solute interdiffusion is governed by vacancy diffusion. It is… read more here.
Keywords: principal element; diffusion; element alloys; vacancy ... See more keywords
Laser processing as a high-throughput method to investigate microstructure-processing-property relationships in multiprincipal element alloys
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.154025
Abstract: Abstract A direct laser deposition processing method was applied to construct compositional and microstructural libraries of AlxCoCrFeNi in an efficient and high-throughput manner. Among the compositions (x = 0.51–1.25) and quench rates (26–6400 K/s) studied, most of the… read more here.
Keywords: element alloys; multiprincipal element; method; high throughput ... See more keywords
Duplex phase hexagonal-cubic multi-principal element alloys with high hardness
Sign Up to like & getrecommendations! Published in 2019 at "Materials today communications"
DOI: 10.1016/j.mtcomm.2019.100658
Abstract: Abstract We report on the influence of Mn additions on the microstructure and properties of (CoCrCuTi)100−xMnx multiprincipal element alloys (MPEAs) containing 5, 10, 15, and 20% Mn prepared by arc-melting. It was observed that the… read more here.
Keywords: phase; element alloys; interdendritic matrix; phase hexagonal ... See more keywords
Nitride formation during reactive sputter deposition of multi-principal element alloys in argon/nitrogen mixtures
Sign Up to like & getrecommendations! Published in 2021 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2021.138721
Abstract: Abstract Nitrides based on multi-principal element alloys have been deposited by reactive magnetron sputtering from powder targets. All deposited nitrides were based on alloys of which the majority of the constituent metals have a low… read more here.
Keywords: multi principal; element alloys; nitrogen; principal element ... See more keywords
AI-driven design of multiprincipal element alloys for optimal water splitting.
Sign Up to like & getrecommendations! Published in 2025 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2504226122
Abstract: Significance The development of electrocatalysts with low water-splitting overpotentials is essential for sustainable hydrogen economy. Multiprincipal element alloys with multiple active sites show great promise for electrocatalyst design. However, the vast composition space of such… read more here.
Keywords: multiprincipal element; driven design; water; element alloys ... See more keywords
Maximum strength and dislocation patterning in multi–principal element alloys
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.abq7433
Abstract: Multi–principal element alloys (MPEAs) containing three or more components in high concentrations render a tunable chemical short-range order (SRO). Leveraging large-scale atomistic simulations, we probe the limit of Hall-Petch strengthening and deformation mechanisms in a… read more here.
Keywords: maximum strength; principal element; dislocation; multi principal ... See more keywords
Exceptional hardness in multiprincipal element alloys via hierarchical oxygen heterogeneities
Sign Up to like & getrecommendations! Published in 2024 at "Science Advances"
DOI: 10.1126/sciadv.ado9697
Abstract: Refractory multiprincipal element alloys (RMPEAs) are potential successors to incumbent high-temperature structural alloys, although efforts to improve oxidation resistance with large additions of passivating elements have led to embrittlement. RMPEAs containing group IV and V… read more here.
Keywords: multiprincipal element; hardness; oxygen; exceptional hardness ... See more keywords
Theoretical Predictions of the Structural and Mechanical Properties of Tungsten–Rare Earth Element Alloys
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14113046
Abstract: Tungsten (W) is considered as the potential plasma facing material of the divertor and the first wall material in fusion. To further improve the ductility of W, the structural and mechanical properties of W–M (M… read more here.
Keywords: element alloys; earth element; rare earth; mechanical properties ... See more keywords