Plastic deformation in surface indentation of magnesium oxide single crystal

X Jie, W Zheng, D He - Ceramics International, 2024 - Elsevier
… Our results indicated that MgO ceramics have the motion mechanism of dislocation and
fracture - relative slide - bonding at room temperature with high shear stress and high normal …

Effects of normal strain on pyramidal I and II <c + a> screw dislocation mobility and structure in single-crystal magnesium

ST Oyinbo, R Matsumoto - Nanotechnology Reviews, 2024 - degruyter.com
plastic strain in the <c> direction, achieved via the rapid generation of new dislocation loops,
which counteract the immobilization of <c + a> dislocations caused by the basal dislocation

Interaction between dislocation and vacancies in magnesium oxide: Insights from atomistic simulations and elasticity theory

M Landeiro Dos Reis, P Carrez, P Cordier - Physical Review Materials, 2021 - APS
… electric field can influence the dislocation motions and the plastic deformation [23] and can
dislocations of opposite Burgers vectors b = ±1/2[110]. The orientation of the MgO crystal is …

First-principles calculations on dislocations in MgO

S Kiyohara, T Tsuru, Y Kumagai - Science and Technology of …, 2024 - Taylor & Francis
… Copyediting, typesetting, and review of the resulting proofs will be … crystalline materials
deform, the movement of dislocations … was dominant for the plastic deformation of MgO like BCC …

A review on developments in magnesium alloys

AA Kaya - Frontiers in Materials, 2020 - frontiersin.org
… , although limited, some plastic deformation capacity. The other slip … dislocation, strain
hardening becomes quicker, that is, … , pure Mg forms an unprotective MgO as the related R value is …

60 years of dislocations in ceramics: A conceptual framework for dislocation mechanics in ceramics

L Porz - International Journal of Ceramic Engineering & …, 2022 - Wiley Online Library
dislocations noteworthily contributing to plastic deformation. … moving at room temperature in
LiF 89-92 which they reviewed in … For MgO dislocation motion has been set into context with …

[PDF][PDF] Deform to perform: Dislocation-tuned properties of ceramics

X Fang, A Nakamura, J Rödel - ACerS Bulletin, 2023 - researchgate.net
… on alkali halides and magnesium oxide. The development of … as well as titanium dioxide
have been reviewed by Szot et al.… plastic deformation in ceramics were limited to single crystals

Large strain hardening of magnesium containing in situ nanoparticles

Z Feng, Y Zhang, J Tan, Y Chen, Y Chen, J Li… - … Reviews, 2021 - degruyter.com
Plastic deformation of materials containing hard … movement and dislocation generation in
the crystal structure of the … as a typical mixed dislocation located around the MgO particle. The …

Mechanical tailoring of dislocations in ceramics at room temperature: A perspective

X Fang - Journal of the American Ceramic Society, 2024 - Wiley Online Library
… The dislocation-based competition between plastic deformation and crack formation is
discussed. The aspects of … Dislocations and plastic deformation in MgO crystals: a review. …

From dislocation nucleation to dislocation multiplication in ceramic nanoparticle

I Issa, L Joly-Pottuz, J Amodeo, DJ Dunstan… - Materials Research …, 2021 - Taylor & Francis
… Herein, we focus on the MgO nanoparticle deformation … screw dislocation mobility, as for
bulk MgO single crystals … can have when plastic deformation is enabled by normal dislocation