First-principles analysis of solute diffusion in dilute bcc Fe- alloys

CD Versteylen, NH Van Dijk, MHF Sluiter - Physical review B, 2017 - APS
The diffusivities of substitutional impurity elements in iron have been computed with ab inito
electronic density functional techniques, using exchange-correlation functional PW91 …

Effect of C on the martensitic transformation in Fe-C alloys in the presence of pre-existing defects: A molecular dynamics study

S Karewar, J Sietsma, MJ Santofimia - Crystals, 2019 - mdpi.com
Molecular dynamics simulations are used to investigate the atomic effects of carbon (C)
addition in Fe on the martensitic phase transformation in the presence of pre-existing defects …

Review and construction of interatomic potentials for molecular dynamics studies of hydrogen embrittlement in Fe─ C based steels

X Zhou, ME Foster, JA Ronevich… - Journal of …, 2020 - Wiley Online Library
Reducing hydrogen embrittlement in the low‐cost Fe─ C based steels have the potential to
significantly impact the development of hydrogen energy technologies. Molecular dynamics …

Ferrite-to-austenite and austenite-to-martensite phase transformations in the vicinity of a cementite particle: A molecular dynamics approach

J Meiser, HM Urbassek - Metals, 2018 - mdpi.com
We used classical molecular dynamics simulation to study the ferrite–austenite phase
transformation of iron in the vicinity of a phase boundary to cementite. When heating a ferrite …

The strain-induced martensitic phase transformation of Fe–C alloys considering C addition: A molecular dynamics study

Y Jiao, WJ Dan, WG Zhang - Journal of Materials Research, 2020 - cambridge.org
This study investigates the effect of C on the deformation mechanisms in Fe–C alloys by
molecular dynamics simulations. In uniaxial tensile simulations, the face-centered-cubic (fcc) …

Dissecting physics of carbon ordering in bcc iron

S Waseda, T Hickel, J Morthomas… - arXiv preprint arXiv …, 2024 - arxiv.org
Zener ordering is a phenomenon that octahedral interstitial atoms such as carbon occupy
the same sublattice inside bcc matrix such as iron. The original formulation relies on a mean …

Effects of carbon segregation and interface roughness on the mobility of solid-liquid interface in Fe-C alloy: A molecular dynamics study

L Gui, H Zhang, Y Zhao, Y Wang, D Chen, X Wang… - Materialia, 2021 - Elsevier
The kinetic coefficients (μ) for the fcc Fe-(0–0.5 wt%) C alloy solidification and melting were
investigated using molecular dynamics simulations. The activation energy for the diffusion of …

Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations

Y Jiao, WJ Dan, YS Xu, WG Zhang - Journal of Materials Research, 2022 - Springer
In this study, the roles of alloying element Mn and nanovoid defects in the deformation
behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test …

Ordering of carbon in highly supersaturated α-Fe

O Waseda, J Morthomas, F Ribeiro… - … and Simulation in …, 2018 - iopscience.iop.org
Abstract Metropolis Monte Carlo is used to investigate the Zener ordering as the carbon
content of body centered cubic iron is increased. Thanks to a fast simulation algorithm, the …

Microstructure and Mechanical Properties of Magnetron Sputtered Refractory Metal Thin Films

S Fritze - 2020 - diva-portal.org
Faculty of Science and Technology 1909. 73 pp. Uppsala: Acta Universitatis Upsaliensis.
ISBN 978-91-513-0884-5. The design and development of new multifunctional materials that …