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Continuum Mechanical Approach to Sintering of Nanocrystalline Zirconia

Zuo, Ruzhong and Aulbach, Emil and Rödel, Jürgen (2005):
Continuum Mechanical Approach to Sintering of Nanocrystalline Zirconia.
In: Advanced Engineering Materials, pp. 949-952, 7, (10), ISSN 1438-1656, [Online-Edition: http://dx.doi.org/10.1002/adem.200500121],
[Article]

Abstract

Nanocrystalline 3 mol % yttria-stabilized zirconia was sinter-forged isothermally under varying external uniaxial stresses. The applied uniaxial stresses were relatively low, compared to the intrinsic sintering stress of the material studied. Uniaxial sintering stresses and uniaxial viscosities were experimentally determined as function of density by means of a continuum mechanical approach which involves measuring the sintering rate of a free-sintered specimen, and a specimen sintered under the application of an external uniaxial stress. The uniaxial viscosity increased strongly with density only in the final stage sintering regime. The magnitude of the uniaxial sintering stress exhibited a decrease with density.

Item Type: Article
Erschienen: 2005
Creators: Zuo, Ruzhong and Aulbach, Emil and Rödel, Jürgen
Title: Continuum Mechanical Approach to Sintering of Nanocrystalline Zirconia
Language: English
Abstract:

Nanocrystalline 3 mol % yttria-stabilized zirconia was sinter-forged isothermally under varying external uniaxial stresses. The applied uniaxial stresses were relatively low, compared to the intrinsic sintering stress of the material studied. Uniaxial sintering stresses and uniaxial viscosities were experimentally determined as function of density by means of a continuum mechanical approach which involves measuring the sintering rate of a free-sintered specimen, and a specimen sintered under the application of an external uniaxial stress. The uniaxial viscosity increased strongly with density only in the final stage sintering regime. The magnitude of the uniaxial sintering stress exhibited a decrease with density.

Journal or Publication Title: Advanced Engineering Materials
Volume: 7
Number: 10
Uncontrolled Keywords: Modelling; Nanomaterials; Sintering
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: 20 Jun 2011 11:43
Official URL: http://dx.doi.org/10.1002/adem.200500121
Identification Number: doi:10.1002/adem.200500121
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