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Chemical feasibility of lithium as a matrix for structural compositesThe chemical compatibility of lithium with tows of carbon and aramid fibers and silicon carbide and boron monofilaments was investigated by encapsulating the fibers in liquid lithium and also by sintering. The lithium did not readily wet the various fibers. In particular, very little lithium infiltration into the carbon and aramid tows was achieved and the strength of the tows was seriously degraded. The strength of the boron and silicon carbide monofilaments, however, was not affected by the liquid lithium. Therefore lithium is not feasible as a matrix for carbon and aramid fibers, but a composite containing boron or silicon carbide fibers in a lithium matrix may be feasible for specialized applications.
Document ID
19850033472
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Swann, R. T.
(NASA Langley Research Center Hampton, VA, United States)
Esterling, D. M.
(George Washington University Washington, DC, United States)
Date Acquired
August 12, 2013
Publication Date
October 1, 1984
Publication Information
Publication: Composites
Volume: 15
ISSN: 0010-4361
Subject Category
Composite Materials
Accession Number
85A15623
Distribution Limits
Public
Copyright
Other

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