On the existence and origin of sluggish diffusion in chemically disordered concentrated alloys

YN Osetsky, LK Beland, AV Barashev… - Current Opinion in Solid …, 2018 - Elsevier
Concentrated single phase solid solutions, including medium-and high-entropy alloys,
represent a new class of materials that have recently attracted significant interest due to …

Sluggish, chemical bias and percolation phenomena in atomic transport by vacancy and interstitial diffusion in NiFe alloys

Y Osetsky, AV Barashev, Y Zhang - Current Opinion in Solid State and …, 2021 - Elsevier
In this article, we report the results of extended atomistic modeling of intrinsic mobility of
point defects and associated atomic transport in Nisingle bondFe model binary alloys. We …

Specific features of defect and mass transport in concentrated fcc alloys

YN Osetsky, LK Béland, RE Stoller - Acta Materialia, 2016 - Elsevier
Diffusion and mass transport are basic properties that control materials performance, such
as phase stability, solute decomposition and radiation tolerance. While understanding …

KineCluE: A kinetic cluster expansion code to compute transport coefficients beyond the dilute limit

T Schuler, L Messina, M Nastar - Computational Materials Science, 2020 - Elsevier
This paper introduces the KineCluE code that implements the self-consistent mean-field
theory for clusters of finite size. Transport coefficients are obtained as a sum over cluster …

Vacancy diffusion in multi-principal element alloys: The role of chemical disorder in the ordered lattice

SL Thomas, S Patala - Acta Materialia, 2020 - Elsevier
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 …

Statistical theory of diffusion in concentrated bcc and fcc alloys and concentration dependencies of diffusion coefficients in bcc alloys FeCu, FeMn, FeNi, and FeCr

VG Vaks, KY Khromov, IR Pankratov… - Journal of Experimental …, 2016 - Springer
The statistical theory of diffusion in concentrated bcc and fcc alloys with arbitrary pairwise
interatomic interactions based on the master equation approach is developed. Vacancy …

Statistical theory of diffusion in concentrated BCC and FCC alloys and concentration dependences of diffusion coefficients in BCC alloys FeCu, FeMn, FeNi, and FeCr

VG Vaks, KY Khromov, IR Pankratov… - … и теоретической физики, 2016 - elibrary.ru
The statistical theory of diffusion in concentrated BCC and FCC alloys with arbitrary pairwise
interatomic interactions based on the master equation approach is developed. Vacancy …