Effects of Al and Ti Additions on Irradiation Behavior of FeMnNiCr Multi-Principal-Element Alloy
Sign Up to like & getrecommendations! Published in 2019 at "JOM"
DOI: 10.1007/s11837-019-03871-4
Abstract: Two Co-free multi-principal-element alloys (MPEAs), viz. single-phase face-centered cubic (FCC) Fe 30 Ni 30 Mn 30 Cr 10 and (Fe 30 Ni 30 Mn 30 Cr 10 ) 94 Ti 2 Al 4 (all in… read more here.
Keywords: alloy; principal element; effects additions; additions irradiation ... 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
Aqueous passivation of multi-principal element alloy Ni38Fe20Cr22Mn10Co10: Unexpected high Cr enrichment within the passive film
Sign Up to like & getrecommendations! Published in 2020 at "Acta Materialia"
DOI: 10.1016/j.actamat.2020.07.024
Abstract: Abstract The aqueous passivation of a non-equiatomic Ni38Fe20Cr22Mn10Co10 - at.% (Ni40Fe20Cr20Mn10Co10 - wt.%) multi-principal element alloy (MPEA) was investigated in 0.1 M NaCl at pH 4 and compared to a conventional binary Ni76Cr24 – at.% (Ni78Cr22… read more here.
Keywords: alloy; principal element; passive film; film ... See more keywords
Kinetic Monte Carlo simulation framework for chemical short-range order formation kinetics in a multi-principal-element alloy
Sign Up to like & getrecommendations! Published in 2021 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2021.110670
Abstract: Abstract Multi-principal-element alloys—so-called high-entropy alloys (HEAs)—contain multiple equiatomic or nearly equiatomic elements and are attracting increasing attention in basic and applied research because of their superior mechanical properties. Recently, the existence of chemical short-range order… read more here.
Keywords: monte carlo; formation kinetics; principal element; multi principal ... 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
In Situ Microscopic Studies on the Interaction of Multi-Principal Element Nanoparticles and Bacteria.
Sign Up to like & getrecommendations! Published in 2023 at "ACS nano"
DOI: 10.1021/acsnano.2c12799
Abstract: Multi-principal element nanoparticles are an emerging class of materials with potential applications in medicine and biology. However, it is not known how such nanoparticles interact with bacteria at nanoscale. In the present work, we evaluated… read more here.
Keywords: multi principal; principal element; interaction multi; element nanoparticles ... See more keywords
Complex strengthening mechanisms in the NbMoTaW multi-principal element alloy
Sign Up to like & getrecommendations! Published in 2020 at "npj Computational Materials"
DOI: 10.1038/s41524-020-0339-0
Abstract: Refractory multi-principal element alloys (MPEAs) have exceptional mechanical properties, including high strength-to-weight ratio and fracture toughness, at high temperatures. Here we elucidate the complex interplay between segregation, short-range order, and strengthening in the NbMoTaW MPEA… read more here.
Keywords: principal element; complex strengthening; strengthening mechanisms; mechanisms nbmotaw ... 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
Effects of Chloride Ions on Passive Oxide Films Formed on Cr-Fe-Co-Ni(-Mo) Multi-Principal Element Alloy Surfaces
Sign Up to like & getrecommendations! Published in 2023 at "Journal of The Electrochemical Society"
DOI: 10.1149/1945-7111/accb10
Abstract: The composition and stratification of the passive oxide films formed on three Cr-Fe-Co-Ni(-Mo) multi-principal element alloys by electrochemical anodic passivation in sulfuric acid electrolyte containing 0.2 and 4.7 M NaCl were investigated, combining X-ray photoelectron… read more here.
Keywords: principal element; films formed; layer; passive oxide ... See more keywords
Influence of Degree of Severe Plastic Deformation on Thermal Stability of an HfNbTiZr Multi-Principal Element Alloy Processed by High-Pressure Torsion
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12193371
Abstract: Severe plastic deformation (SPD) is an effective route for the nanocrystallization of multi-principal element alloys (MPEAs). The stability of the refined microstructure is important, considering the high temperature applications of these materials. In the present… read more here.
Keywords: multi principal; principal element; plastic deformation; stability ... See more keywords