Atomistic study of the fcc→ bcc transformation in a binary system: Insights from the Quasi-particle Approach

G Demange, M Lavrskyi, K Chen, X Chen, ZD Wang… - Acta Materialia, 2022 - Elsevier
In this work, the Quasi-particle Approach (QA) is applied to qualitatively reproduce the
underlying mechanisms of the displacive fcc (γ)→ bcc (α) transformation. At the …

Multi-scale modeling of low-temperature deformation in bcc metals

TE Buchheit, CC Battaile, CR Weinberger, EA Holm - JOM, 2011 - Springer
The deformation of body-centered cubic (bcc) metals such as W, Ta, and Mo is complicated
both by complex deformation mechanisms at the atomic scale and by microstructural …

Deformation-induced phase transformation and twinning in Fe and Fe–C alloys

Y Yang, H Zhang, X Ou, J Gu… - Materials Science and …, 2021 - Taylor & Francis
The phase transformations and twinning in a nano-sized face-centred cubic (FCC) crystal of
iron with different carbon contents are studied by molecular dynamic (MD) simulations. The …

Atomic-scale understanding of the reversible HCP↔ FCC phase transition mechanisms at {101¯ 1} twin tip in pure titanium

H Zhang, B Wei, X Ou, S Ni, H Yan, M Song - International Journal of …, 2022 - Elsevier
In this paper, by using high-resolution transmission electron microscopy (HRTEM)
observations and molecular dynamics (MD) simulations, the mechanisms of hexagonal …

Deformation induced FCC lamellae and their interaction in commercial pure Ti

X Zheng, M Gong, T Xiong, H Ge, L Yang, Y Zhou… - Scripta Materialia, 2019 - Elsevier
Titanium with hexagonal close-packed (hcp) structure can undergo phase transformation to
face-centered cubic (fcc) structure under mechanical straining at room temperature. In this …

Co‐deformation in severely deformed multiphase crystalline metallic systems: physical mechanisms, intrinsic limitations, and perspectives

X Sauvage - Advanced Engineering Materials, 2024 - Wiley Online Library
The deformation of multiphase metallic alloys or metal matrix composites by forming
processes such as rolling or drawing requires the co‐deformation of phases. Severe plastic …

From coherent to semicoherent—evolution of precipitation crystallography in an fcc/bcc system

FZ Dai, ZP Sun, WZ Zhang - Acta Materialia, 2020 - Elsevier
How are crystallographic features developed in phase transformation systems with
anisotropic misfits (eg, bcc/fcc systems)? Comprehensive knowledge about this question is …

Effects of copper on BCC-FCC phase transition of tungsten under compression and shear deformation

L Yang, L Sun, C Liang, H Gong - Physica B: Condensed Matter, 2023 - Elsevier
Based on our newly constructed W–Cu potential, pure W and W–Cu alloys are simulated
with compression and shear deformation to reveal the fundamental mechanisms of the BCC …

Deformation-induced phase transformation in a Co-Cr-W-Mo alloy studied by high-energy X-ray diffraction during in-situ compression tests

I Weißensteiner, M Petersmann, P Erdely, A Stark… - Acta materialia, 2019 - Elsevier
Abstract Nickel-free Co-Cr-W-Mo alloys exhibit a very low or even negative stacking fault
energy, and therefore a pronounced tendency towards a deformation-induced phase …

Direct evidence for stress-induced face-centered cubic zirconium

Y Zhang, F Yuan, F Han, M Ali, W Guo, J Ren… - Materials Science and …, 2021 - Elsevier
The direct evidence for stress-induced face-centered cubic (FCC) zirconium was firstly
reported using in-situ electron backscatter diffraction (EBSD) and indentation observation …