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R-Curve Behavior of Pb(Mg1/3Nb2/3)O3-29 mol% PbTiO3 Single Crystals: The Effect of Crystallographic Orientation and Grain Structure

Webber, Kyle G. ; Seo, Yo-Han ; Lee, Ho-Yong ; Aulbach, Emil ; Jo, Wook ; Rödel, Jürgen (2011)
R-Curve Behavior of Pb(Mg1/3Nb2/3)O3-29 mol% PbTiO3 Single Crystals: The Effect of Crystallographic Orientation and Grain Structure.
In: Journal of the American Ceramic Society, 94 (9)
doi: 10.1111/j.1551-2916.2011.04677.x
Article, Bibliographie

Abstract

The crack growth resistance behavior of single crystal and polycrystalline 0.71Pb(Mg1/3Nb2/3)O3-0.29PbTiO3 (PMN-29%PT) was determined with compact-tension specimens. Two different single crystal orientations were produced by the solid-state crystal growth technique (SSCG) and characterized, allowing for the direct comparison to polycrystalline material. Single crystal R-curve behavior was observed to be anisotropic, which is explained by the effects of ferroelasticity and stress-induced phase transformations on toughening. Results of the polycrystalline samples display comparable toughness to that observed in single crystal measurements.

Item Type: Article
Erschienen: 2011
Creators: Webber, Kyle G. ; Seo, Yo-Han ; Lee, Ho-Yong ; Aulbach, Emil ; Jo, Wook ; Rödel, Jürgen
Type of entry: Bibliographie
Title: R-Curve Behavior of Pb(Mg1/3Nb2/3)O3-29 mol% PbTiO3 Single Crystals: The Effect of Crystallographic Orientation and Grain Structure
Language: English
Date: September 2011
Journal or Publication Title: Journal of the American Ceramic Society
Volume of the journal: 94
Issue Number: 9
DOI: 10.1111/j.1551-2916.2011.04677.x
Abstract:

The crack growth resistance behavior of single crystal and polycrystalline 0.71Pb(Mg1/3Nb2/3)O3-0.29PbTiO3 (PMN-29%PT) was determined with compact-tension specimens. Two different single crystal orientations were produced by the solid-state crystal growth technique (SSCG) and characterized, allowing for the direct comparison to polycrystalline material. Single crystal R-curve behavior was observed to be anisotropic, which is explained by the effects of ferroelasticity and stress-induced phase transformations on toughening. Results of the polycrystalline samples display comparable toughness to that observed in single crystal measurements.

Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Elektromechanik von Oxiden
11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials
Date Deposited: 20 Sep 2011 13:10
Last Modified: 28 Feb 2014 09:01
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