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Intergranular fracture of lithium fluoride-22 percent calcium fluoride hypereutectic salt at 800 KSubstantial strain-hardening was noted during the initial stages of deformation in constant-velocity compression tests conducted on as-cast samples of the LiF-22 mol pct CaF2 hypereutectic salt at 800 K. The deformed specimens exhibited extensive grain-boundary cracking and cavitation, suggesting that such cracking, in conjunction with interfacial sliding, is important for cavity nucleation at grain boundaries and at the LiF-CaF2 interfaces. Cavity growth and interlinkage occur through the preferential failure of the weaker LiF phase.
Document ID
19900038218
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Raj, Subramanium V.
(NASA Lewis Research Center Cleveland, OH, United States)
Whittenberger, J. Daniel
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 14, 2013
Publication Date
February 1, 1990
Publication Information
Publication: American Ceramic Society, Journal
Volume: 73
ISSN: 0002-7820
Subject Category
Nonmetallic Materials
Accession Number
90A25273
Funding Number(s)
CONTRACT_GRANT: NCC3-72
Distribution Limits
Public
Copyright
Other

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