期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 100, 期 11, 页码 4965-4970出版社
WILEY
DOI: 10.1111/jace.15071
关键词
Field Assisted Sintering Technology (FAST); modeling/model; thermal expansion; X-ray methods
资金
- U.S. Naval Research Laboratory [N00014-15-1-2505, N0001415WX01515]
- U.S. Department of Energy (DOE)
- Argonne National Laboratory [DE-AC02-06CH11357]
We report results from in-situ measurements of lattice expansion during flash sintering of 3 mol% yttria stabilized tetragonal zirconia taken at the Advanced Photon Source, Argonne National Laboratory. The expansion is anisotropic, with the relative expansion of the a-lattice constant exceeding that of the c-lattice constant. The anisotropic expansion cannot be explained by thermal expansion and is consistent with predictions from ab-initio calculations based upon the generation of vacancy-interstitial pairs of zirconium and oxygen.
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