Next Article in Journal / Special Issue
Influence of Dislocations in Transition Metal Oxides on Selected Physical and Chemical Properties
Previous Article in Journal
Experimental Value of the Specific Surface Energy of the Cleavage {10.4} Calcite Rhombohedron in the Presence of Its Saturated Aqueous Solution
Previous Article in Special Issue
Peak Broadening Anisotropy and the Contrast Factor in Metal Alloys
Article Menu
Issue 6 (June) cover image

Export Article

Open AccessReview
Crystals 2018, 8(6), 240;

Dislocations and Plastic Deformation in MgO Crystals: A Review

Université de Lyon, INSA-Lyon, CNRS, MATEIS UMR5510, F-69621 Villeurbanne, France
Université de Lille, CNRS, INRA, ENSCL, UMR 8207-UMET-Unité Matériaux et Transformations, F-59000 Lille, France
Institut Universitaire de France, F-75005 Paris, France
Institut Pprime, UPR 3346 CNRS, Université de Poitiers, ENSMA, Département de Physique et Mécanique des Matériaux, SP2MI Bd Marie et Pierre Curie BP 30179, F-86962 Futuroscope Chasseneuil CEDEX, France
Institute of Physical Metallurgy and Metal Physics, RWTH Aachen University, Kopernikusstr. 14, 52074 Aachen, Germany
Author to whom correspondence should be addressed.
Received: 29 March 2018 / Revised: 4 May 2018 / Accepted: 10 May 2018 / Published: 31 May 2018
(This article belongs to the Special Issue Crystal Dislocations: Their Impact on Physical Properties of Crystals)


This review paper focuses on dislocations and plastic deformation in magnesium oxide crystals. MgO is an archetype ionic ceramic with refractory properties which is of interest in several fields of applications such as ceramic materials fabrication, nano-scale engineering and Earth sciences. In its bulk single crystal shape, MgO can deform up to few percent plastic strain due to dislocation plasticity processes that strongly depend on external parameters such as pressure, temperature, strain rate, or crystal size. This review describes how a combined approach of macro-mechanical tests, multi-scale modeling, nano-mechanical tests, and high pressure experiments and simulations have progressively helped to improve our understanding of MgO mechanical behavior and elementary dislocation-based processes under stress. View Full-Text
Keywords: MgO; dislocations; mechanical properties; nano-mechanics; multi-scale modeling; extreme conditions MgO; dislocations; mechanical properties; nano-mechanics; multi-scale modeling; extreme conditions

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
Printed Edition Available!
A printed edition of this Special Issue is available here.

Share & Cite This Article

MDPI and ACS Style

Amodeo, J.; Merkel, S.; Tromas, C.; Carrez, P.; Korte-Kerzel, S.; Cordier, P.; Chevalier, J. Dislocations and Plastic Deformation in MgO Crystals: A Review. Crystals 2018, 8, 240.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Crystals EISSN 2073-4352 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top