Lewis, M. H.. (1966) The microstructure of magnesium oxide cleavage surfaces. Philosophical Magazine, 13 (126). pp. 1123-1130. ISSN 1478-6435

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Abstract

Steps on the cleavage surfaces of MgO single crystals have been examined directly by electron microscopy and x-ray diffraction topography. The geometry of dislocation bands associated with some of the steps indicates that an overlap of cleavage crack segments on different levels occurs prior to step formation. Estimates of the increased elastic energy absorption due to formation of steps of the observed type indicate that this may contribute significantly to the fracture 'toughness', particularly for polyerystals.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Journal or Publication Title:	Philosophical Magazine
Publisher:	Taylor & Francis
ISSN:	1478-6435
Date:	1966
Volume:	13
Number:	126
Page Range:	pp. 1123-1130
Identification Number:	10.1080/14786436608213527
Status:	Peer Reviewed
Description:	Data sourced from: Butterworth, J. (1966). Report of the Vice Chancellor 1965-66. Coventry : University of Warwick.
URI:	http://wrap.warwick.ac.uk/id/eprint/34971

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