Mechanisms of pearlite spheroidization: Insights from 3D phase-field simulations

PGK Amos, A Bhattacharya, B Nestler, K Ankit - Acta Materialia, 2018 - Elsevier
Morphological evolution of eutectoid phases determine the spheroids' size and distribution
post sub-critical annealing of steel. In this work, the spheroidization of the 3-dimensional …

[HTML][HTML] Understanding the formation of equiaxed α during dynamic precipitation in titanium alloys by elastoplastic phase field simulation

L Zhang, J Li, Y Wang, Z Wang, F He, L Wang… - Journal of Materials …, 2023 - Elsevier
Dynamic α precipitation with hot deformation is commonly adopted to obtain equiaxed α for
tailoring the mechanical properties of Ti alloys. The formation of an equiaxed shape rather …

[HTML][HTML] Chemo-elastic phase-field simulation of the cooperative growth of mutually-accommodating Widmanstätten plates

PGK Amos, E Schoof, D Schneider, B Nestler - Journal of Alloys and …, 2018 - Elsevier
A comprehensive understanding of the phase transformations is of primary importance to
optimize the properties of a material. In the present study, a novel and thermodynamically …

Phase-field analysis of quenching and partitioning in a polycrystalline Fe-C system under constrained-carbon equilibrium condition

PGK Amos, E Schoof, N Streichan, D Schneider… - Computational Materials …, 2019 - Elsevier
Mechanical properties of steels are significantly enhanced by retained austenite.
Particularly, it has been shown that a recently developed heat-treatment technique called …

Effects of high static magnetic field on the microstructure of Zn-Bi monotectic alloys during directional solidification process

B Zhou, W Lin, Y Liu, T Zheng, Y Zhong, H Wang… - Journal of Alloys and …, 2021 - Elsevier
Abstract Directional solidification of Zn-0.63 at% Bi monotectic alloys at different growth rates
with and without a 5-T high static magnetic field (HSMF) was studied. Regardless of whether …

Multigrain phase-field simulation in ferroelectrics with phase coexistences: An improved phase-field model

L Fan, W Werner, S Subotić, D Schneider… - Computational materials …, 2022 - Elsevier
A new 3D phase-field model is developed to investigate the evolution of the domain
structure and phase transformation in a ferroelectric material near the morphotropic phase …

On the globularization of the shapes associated with alpha-precipitate of two phase titanium alloys: insights from phase-field simulations

PGK Amos, E Schoof, D Schneider, B Nestler - Acta Materialia, 2018 - Elsevier
In two-phase titanium alloys, α-precipitate exhibits plate morphology which spheroidizes
during static globularization. The stability of the 3-dimensional plates to withstand …

Multiphase-field modelling of concurrent grain growth and coarsening in complex multicomponent systems

PGK Amos, R Perumal, M Selzer, B Nestler - Journal of Materials Science & …, 2020 - Elsevier
Phase-field modelling of microstructural evolution in polycrystalline systems with phase-
associated grains has largely been confined to continuum-field models. In this study, a …

Influence of stress-free transformation strain on the autocatalytic growth of bainite: a multiphase-field analysis

E Schoof, PGK Amos, D Schneider, B Nestler - Materialia, 2020 - Elsevier
Analytical treatments, formulated to predict the rate of the bainite transformation, define
autocatalysis as the growth of the subunits at the bainite–austenite interface. Furthermore …

Roughening transition as a driving factor in the formation of self-ordered one-dimensional nanostructures

VN Gorshkov, VV Tereshchuk, P Sareh - CrystEngComm, 2021 - pubs.rsc.org
Based on the kinetic Monte Carlo method, we investigated the formation mechanisms of
periodical modulations arising along the length of one-dimensional structures. The evolution …