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Three-Dimensional EBSD Analysis of YSZ, NiO-YSZ and Ni-Alloy

Published online by Cambridge University Press:  12 January 2012

Laxmikant V. Saraf
Laxmikant V. Saraf*
Affiliation:
EMSL, Pacific Northwest National Laboratory, Richland WA 99352 USA.
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Abstract

In this report, a method is discussed to perform successive milling on yttria-stabilized zirconia (YSZ), NiO-YSZ and Ni-alloy at the intervals of 85 nm 50 nm and 100 nm, respectively using a focused ion beam (FIB) followed by electron backscatter diffraction (EBSD) analysis on each slice. The EBSD data is then reconstructed to generate 3D volume. The 3D-EBSD band quality data is superimposed on inverse pole figure (IPF) grain orientation analysis to get a correlation with quality of band indexing. For the NiO-YSZ case, grain orientations and band quality factors were matched for grains ∼250 nm diameters producing a high resolution 3D-EBSD data. For this case, a pore space in 3D volume was visible due to nanocrystalline NiO-YSZ grain network. The advantages of 3D EBSD are discussed in the context of its applications to SOFC research community.

Keywords

nanostructureporositytexture
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1421: Symposium PP – Three-Dimensional Tomography of Materials , 2012 , mrsf11-1421-pp06-01
Copyright
Copyright © Materials Research Society 2012

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References

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