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R-curve behaviour of 2Y-TZP with submicron grain size

Eichler, Jens and Hoffman, Mark and Eisele, Ulrich and Rödel, Jürgen (2006):
R-curve behaviour of 2Y-TZP with submicron grain size.
In: Journal of the European Ceramic Society, 26 (16), pp. 3575-3582. ISSN 09552219,
[Article]

Abstract

Nanocrystalline powders were used to prepare fracture test specimens of 2Y-TZP with average grain sizes between 150 and 900 nm. Crack extension and attendant R-curve behaviour were studied in both air and vacuum. The plateau values in air and vacuum increase linearly with grain size from 3.1 to 5.1 MPa m1/2 and from 4.7 to 6.7 MPa m1/2, respectively. The size of the process zone was quantified using Raman microscopy and the results correlated to both the plateau values and the shape of the R-curve as a function of grain size.

Item Type: Article
Erschienen: 2006
Creators: Eichler, Jens and Hoffman, Mark and Eisele, Ulrich and Rödel, Jürgen
Title: R-curve behaviour of 2Y-TZP with submicron grain size
Language: English
Abstract:

Nanocrystalline powders were used to prepare fracture test specimens of 2Y-TZP with average grain sizes between 150 and 900 nm. Crack extension and attendant R-curve behaviour were studied in both air and vacuum. The plateau values in air and vacuum increase linearly with grain size from 3.1 to 5.1 MPa m1/2 and from 4.7 to 6.7 MPa m1/2, respectively. The size of the process zone was quantified using Raman microscopy and the results correlated to both the plateau values and the shape of the R-curve as a function of grain size.

Journal or Publication Title: Journal of the European Ceramic Society
Journal volume: 26
Number: 16
Uncontrolled Keywords: ZrO2; Toughness and toughening; Fracture; Mechanical properties; Raman microscopy; R-curve
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 18 May 2011 15:19
Official URL: http://dx.doi.org/10.1016/j.jeurceramsoc.2005.11.012
Identification Number: doi:10.1016/j.jeurceramsoc.2005.11.012
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