Effects of co-doping on elastic modulus for zirconia based ternary ceramic materials

Authors: Huang, X.; Yang, Q.

Source: Materials Science and Technology, Volume 24, Number 6, June 2008 , pp. 751-755(5)

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Abstract:

The effect of co-doping on the elastic modulus of 7 wt-% yttria stabilised zirconia has been investigated through nanoindentation tests of five ternary zirconia based oxides in the present study. It is revealed that the samples co-doped with pentavalent oxides, in general, have a lower elastic modulus compared to the samples co-doped with trivalent oxides. Co-dopant cations with larger mass show a significant impact on the reduction of the elastic modulus. Both large cation radius and increased oxygen vacancy concentration decrease the elastic modulus.

Keywords: NANOINDENTATION; CERAMICS; ELASTIC MODULUS; COATINGS

Document Type: Short Communication

DOI: http://dx.doi.org/10.1179/174328408X294062

Publication date: 2008-06-01

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