Screening of generalized stacking fault energies, surface energies and intrinsic ductile potency of refractory multicomponent alloys

YJ Hu, A Sundar, S Ogata, L Qi - Acta Materialia, 2021 - Elsevier
Body-centered cubic (bcc) refractory multicomponent alloys are of great interest due to their
remarkable strength at high temperatures. Optimizing the chemical compositions of these …

Stability of the B2 phase in refractory high entropy alloys containing aluminum

J Brodie, J Wang, JP Couzinié, M Heczko, V Mazánová… - Acta Materialia, 2024 - Elsevier
We study the phase stability of the B2 phase in a two-phase Al 0. 5 NbTa 0. 8 Ti 1. 5 V 0. 2 Zr
refractory high entropy alloy. We find that the ordered phase of this alloy primarily contains …

Adsorption of oxygen to high entropy alloy surfaces for up to 2 ML coverage using density functional theory and monte carlo calculations

TD Doležal, AJ Samin - Langmuir, 2022 - ACS Publications
High-entropy alloys (HEAs) manufactured with refractory elements are candidates for high-
temperature structural applications. To enhance our understanding of oxidation in these …

Phase prediction for high-entropy alloys using generative adversarial network and active learning based on small datasets

C Chen, HR Zhou, WM Long, G Wang… - Science China …, 2023 - Springer
In this paper, a new machine learning (ML) model combining conditional generative
adversarial networks (CGANs) and active learning (AL) is proposed to predict the body …

A computational approach for mapping electrochemical activity of multi-principal element alloys

JA Yuwono, X Li, TD Doležal, AJ Samin, JQ Shi… - npj Materials …, 2023 - nature.com
Multi principal element alloys (MPEAs) comprise an atypical class of metal alloys. MPEAs
have been demonstrated to possess several exceptional properties, including, as most …

Stability of the B2 phase among refractory metals

J Wang, A Barooni, M Ghazisaeidi - Acta Materialia, 2024 - Elsevier
Energy efficiency demands finding new materials for applications at elevated temperatures.
Refractory multicomponent alloys with a BCC/B2 microstructure promise to serve as …

Bond synergy model for bond energies in alloy oxides

SC Chien, W Windl - Journal of The Electrochemical Society, 2020 - iopscience.iop.org
In this work we introduce a metal-oxide bond-energy model for alloy oxides based on pure-
phase bond energies and bond synergy factors that describe the effect of alloying on the …

A fast and robust method for predicting the phase stability of refractory complex concentrated alloys using pairwise mixing enthalpy

Z Zhang, M Li, J Cavin, K Flores, R Mishra - Acta Materialia, 2022 - Elsevier
The ability to predict the composition-and temperature-dependent stability of refractory
complex concentrated alloys (RCCAs) is vital to the design of high-temperature structural …

Sampling lattices in semi-grand canonical ensemble with autoregressive machine learning

J Damewood, D Schwalbe-Koda… - npj Computational …, 2022 - nature.com
Calculating thermodynamic potentials and observables efficiently and accurately is key for
the application of statistical mechanics simulations to materials science. However, naive …

Efficient determination of solid-state phase equilibrium with the multicell Monte Carlo method

E Antillon, M Ghazisaeidi - Physical Review E, 2020 - APS
Building on our previously introduced multicell Monte Carlo (MC) 2 method for modeling
phase coexistence, this paper provides important improvements for efficient determination of …