The effect of nanopores on the mechanism of martensitic transformation in pure iron during the heating-cooling cycle: A molecular dynamics study

Q Li, C Wang, B Liu, L Yang, R Ma, F Han… - Materials Today …, 2023 - Elsevier
Numerous molecular dynamics (MD) simulations have been performed to investigate the
effect of the nanopores on the martensitic transformation (MT) of pure iron (Fe) during the …

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 …

Role of interface morphology on the martensitic transformation in pure Fe

PK Tripathi, S Karewar, YC Lo, S Bhowmick - Materialia, 2021 - Elsevier
Using classical molecular dynamics simulations, we study austenite to ferrite phase
transformation in iron, focusing on the role of interface morphology. We compare two …

α↔ γ phase transformation in iron: comparative study of the influence of the interatomic interaction potential

J Meiser, HM Urbassek - … and Simulation in Materials Science and …, 2020 - iopscience.iop.org
Only few available interatomic interaction potentials implement the α↔ γ phase
transformation in iron by featuring a stable low-temperature bcc and high-temperature fcc …

Dislocations Help Initiate the αγ Phase Transformation in Iron—An Atomistic Study

J Meiser, HM Urbassek - Metals, 2019 - mdpi.com
Using molecular dynamics simulation, we studied the influence of pre-existing dislocations
on the austenitic and the martensitic phase transformations in pure iron. The simulations …

Atomistic simulation of martensitic transformations induced by deformation of α-Fe single crystal during the mode-I fracture

Z Wang, X Shi, XS Yang, W He, SQ Shi… - Journal of Materials …, 2021 - Springer
Deformation-induced martensitic transformations (DIMTs) have been widely observed in iron
and ferroalloys under various mechanical loading conditions, thereby showing extreme …

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 combined effects of uniaxial pressure and defects on the mechanism of martensitic transformation in pure iron: A molecular dynamics study

Q Li, H Wang, X Zhu, L Yang, B Liu, R Ma, F Han… - Materials Today …, 2024 - Elsevier
The as-produced martensitic steel fabricated by selective laser melting (SLM) is generally
softer and weaker than the wrought specimen due to the residual austenite in the …

Superplasticity induced by cyclic phase transitions in nanosystems: an atomic study

G Wang, B Wang, Y Li, C Xu - Materials Today Communications, 2024 - Elsevier
Three samples, namely, iron (Fe) bulk, nanowire (NW) and nanotube (NT) with the initial
body centered cubic (bcc) structure were designed and constructed. Using molecular …

[HTML][HTML] Martensitic transformation of pure iron at a grain boundary: Atomistic evidence for a two-step Kurdjumov-Sachs–Pitsch pathway

J Meiser, HM Urbassek - AIP Advances, 2016 - pubs.aip.org
Using classical molecular dynamics simulations and the Meyer-Entel interaction potential,
we study the martensitic transformation pathway in a pure iron bi-crystal containing a …