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

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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.

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Acknowledgments

The author would like to thank Dr. J.J. Strohm and Dr. D.L. King for providing NiO-YSZ samples prepared under the partial financial support from Solid State Energy Conversion Alliance (SECA) program of DOE’s Office of Fossil Energy. The research was performed using microscopy resources at the Environmental Molecular Sciences Laboratory (EMSL), a national scientific user facility from DOE’s Office of Biological and Environmental Research located at Pacific Northwest National Laboratory (PNNL). PNNL is operated by Battelle for the US DOE. The funding support is provided by BER through the grant DE-AC06-76RL01830.

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  1. Pacific Northwest National Laboratory, EMSL, Richland, WA, 99352, USA

    Laxmikant V. Saraf

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  1. Laxmikant V. Saraf
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Saraf, L.V. Three-Dimensional EBSD Analysis of YSZ, NiO-YSZ and Ni-Alloy. MRS Online Proceedings Library 1421, 7–11 (2012). https://doi.org/10.1557/opl.2012.54

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  • DOI: https://doi.org/10.1557/opl.2012.54

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