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The grain size and temperature dependence of the thermal conductivity of polycrystalline, tetragonal yttria-stabilized zirconia
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10.1063/1.3593383
/content/aip/journal/apl/98/21/10.1063/1.3593383
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/21/10.1063/1.3593383
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Raman spectra as a function of grain size indicating that the material’s crystal structure remained tetragonal. All the lines are distinctive of the tetragonal phase with no indication of monoclinic phase whose most distinctive lines are a strong doublet at 181 and .

Image of FIG. 2.
FIG. 2.

Thermal conductivity as a function of temperature for tetragonal zirconia stabilized with 3 m/o for samples aged at the times indicated at to increase the average grain size. The error bars are smaller than the size of the symbols. The lines through the data points are the best fits to the empirical equation: , where is temperature and , , and are fitting parameters.

Image of FIG. 3.
FIG. 3.

Intrinsic thermal conductivity (top) and grain boundary Kapitza resistance (bottom) derived from the measured thermal conductivity in Fig. 1 using the macroscopic heat conduction model.

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/content/aip/journal/apl/98/21/10.1063/1.3593383
2011-05-24
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The grain size and temperature dependence of the thermal conductivity of polycrystalline, tetragonal yttria-stabilized zirconia
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/21/10.1063/1.3593383
10.1063/1.3593383
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