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 …

Evolution of defect substructure of metal alloys at microscopic and mesoscopic level under torsion

AN Tyumentsev, YP Pinzhin, MV Tretjak… - Theoretical and applied …, 2001 - Elsevier
Transmission electron microscopy was used to investigate the reorientation of crystal lattice
during the formation of ultrafine-grained (UFG) copper, nickel, and an alloy of Ni–18% Al …

Direct observation on single-crystal-to-single-crystal transformation via lattice-matched nucleation and growth

Z Zhang, Y Ying, Z Wu, J Huang, M Gan, H Zhang… - Acta Materialia, 2023 - Elsevier
Abstract Single-crystal-to-single-crystal (SCSC) phase transformation has been showing its
great significances for controllable synthesis of advanced materials. From this point of view …

Dislocations with edge components in nanocrystalline bcc Mo

GM Cheng, WZ Xu, WW Jian, H Yuan, MH Tsai… - Journal of Materials …, 2013 - Springer
We report high-resolution transmission electron microscopy (HRTEM) observation of a high
density of dislocations with edge components (~ 10 16 m-2) in nanocrystalline (NC) body …

Improving mechanical properties and achieving structural stability of large-size molybdenum single crystal during hot deformation by adding Nb element

B Jiao, Q Zhao, Y Zhao, WW Zhang, W Zhang… - Journal of Alloys and …, 2023 - Elsevier
The occurrence of recrystallization will cause catastrophic damage to the structure of the
metallic single crystal, which can be avoided by alloying reasonably. In this work, a new …

Vacancy-mediated ω-assisted α-phase formation mechanism in titanium–molybdenum alloy

SH Kim, SJ Kang, MH Park, CW Yang, HC Lee… - Acta Materialia, 2015 - Elsevier
This study investigates the mechanism of the ω-to-α phase transformation in a titanium–
molybdenum alloy. Using aberration-corrected high annular angle dark-field scanning …

Grain refinement process in a cold-rolled polycrystalline cobalt

X An, Y Li, S Ni, Z Wang, M Song - Materials Characterization, 2020 - Elsevier
The microstructural evolution of a cold-rolled polycrystalline cobalt (Co) was investigated via
electron backscatter diffraction, electron channeling contrast imaging and transmission …

Molecular dynamics study of the milling-induced allotropic transformation in cobalt

KO Hara, E Yamasue, H Okumura… - Philosophical …, 2012 - Taylor & Francis
The milling-induced allotropic transformation in cobalt from the stable hcp phase into the fcc
phase has been studied by molecular dynamics simulation. Uniaxial compression of nano …

Atomic-scale observation of nucleation-and growth-controlled deformation twinning in body-centered cubic nanocrystals

L Zhong, Y Zhang, X Wang, T Zhu, SX Mao - Nature Communications, 2024 - nature.com
Twinning is an essential mode of plastic deformation for achieving superior strength and
ductility in metallic nanostructures. It has been generally believed that twinning-induced …

Understanding the mechanisms behind the development of cube orientation in the non-cube grains during plane strain compression of medium to high stacking-fault …

S Chakraborty, CS Patil, SR Niezgoda - Acta Materialia, 2023 - Elsevier
Medium to high stacking-fault energy FCC metals develop a pronounced cube texture
during static recrystallization. Previous studies reported that the recrystallized grains can …