Gibbs energy and phase-field modeling of ferromagnetic ferrite (α)→ paramagnetic austenite (γ) transformation in Fe–C alloys under an external magnetic field
Y Zeng, T Mittnacht, W Werner, Y Du, D Schneider… - Acta Materialia, 2022 - Elsevier
Quantitative simulation of microstructure evolution during heat-treatment of alloys under
external magnetic field represents a severe challenge. In the present work, the Gibbs free …
external magnetic field represents a severe challenge. In the present work, the Gibbs free …
Multiphase-field model for surface diffusion and attachment kinetics in the grand-potential framework
Grand-potential based multiphase-field model is extended to include surface diffusion.
Diffusion is elevated in the interface through a scalar degenerate term. In contrast to the …
Diffusion is elevated in the interface through a scalar degenerate term. In contrast to the …
Modeling of temperature-and strain-driven intermetallic compound evolution in an Al–Mg system via a multiphase-field approach with application to refill friction stir …
SH Raza, T Mittnacht, G Diyoke, D Schneider… - Journal of the …, 2022 - Elsevier
The prospect of joining dissimilar materials via solid-state processes presents an opportunity
to obtain multi-material structures having a synergy of desirable properties of the joined …
to obtain multi-material structures having a synergy of desirable properties of the joined …
Grand-potential based phase-field model for systems with interstitial sites
PG Kubendran Amos, B Nestler - Scientific reports, 2020 - nature.com
Existing grand-potential based multicomponent phase-field model is extended to handle
systems with interstitial sublattice. This is achieved by treating the concentration of alloying …
systems with interstitial sublattice. This is achieved by treating the concentration of alloying …
High-fidelity simulations and data-driven insights on rate-governing phases in duplex and triplex systems during isotropic normal grain growth
Normal grain growth in multiphase polycrystalline systems includes sluggish evolution of
minor-phase grains and relatively faster growth of the major-phase grains. Which of these …
minor-phase grains and relatively faster growth of the major-phase grains. Which of these …
An alternate approach for estimating grain-growth kinetics
M Prabakar, PGK Amos - Measurement, 2024 - Elsevier
Rate of grain growth, which aides in achieving desired properties in polycrystalline
materials, is conventionally estimated by measuring the size of grains and tracking its …
materials, is conventionally estimated by measuring the size of grains and tracking its …
High-performance multiphase-field simulations of solid-state phase transformations using Pace3D
E Schoof, T Mittnacht, M Seiz, P Hoffrogge… - … Conference on High …, 2021 - Springer
Computational materials science contributes to the accelerated development of new or
optimized materials. The phase-field method has established itself as a powerful tool to …
optimized materials. The phase-field method has established itself as a powerful tool to …