In‐situ measurements of lattice expansion related to defect generation during flash sintering

Lebrun, J. ‐M.; Hellberg, C. S.; Jha, S. K.; Kriven, W. M.; Steveson, A.; Seymour, K. C.; Bernstein, N.; Erwin, S. C.; Raj, R.

doi:10.1111/jace.15071

Title: In‐situ measurements of lattice expansion related to defect generation during flash sintering

Journal Article · Wed Jul 19 00:00:00 EDT 2017 · Journal of the American Ceramic Society

DOI:https://doi.org/10.1111/jace.15071· OSTI ID:1398065

^[1]; Hellberg, C. S. ^[2]; Jha, S. K. ^[3];

^[4]; Steveson, A. ^[4]; Seymour, K. C. ^[4]; Bernstein, N. ^[2]; Erwin, S. C. ^[2];

^[3]

Department of Mechanical Engineering University of Colorado Boulder Colorado, Saint‐Gobain Innovative Materials ‐ NRDC Northboro Massachusetts
Center for Computational Materials Science Naval Research Laboratory Washington, District of Columbia
Department of Mechanical Engineering University of Colorado Boulder Colorado
Department of Materials Science and Engineering University of Illinois Urbana Champaign Illinois

Abstract 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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Sponsoring Organization:: USDOE

OSTI ID:: 1398065

Journal Information:: Journal of the American Ceramic Society, Journal Name: Journal of the American Ceramic Society Vol. 100 Journal Issue: 11; ISSN 0002-7820

Publisher:: Wiley-BlackwellCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 64 works

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References (14)

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