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Materials SciencesAdhesives, Seals and Binders

Non-Polymeric Binders for Ceramic Powders: Utilization of Neutral and Ionic Species Derived from Decaborane(14)

Authors: William S. Rees Jr.; Dietmar Seyferth; MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF CHEMISTRY
Abstract:
The pyrolytic conversion of bis-Lewis base adducts of decaborane(14), L.B sub 10 H sub 12.L (L= neutral monophosphine) and phosphonium salts of the (B sub 10 H sug 10)2- anion (e.g., (Ph sub 4 P sub (+)2, etc.), to ceramic materials has been studied. All species examined served as binders for a variety of non-oxide refractory ceramic powders (e.g., B sub 4 C, BN, BP, B sub 13 P sub 2, SiC, Si sub 3 N sub 4, B, C, A1N). Keywords: Boron carbide, Organophosphorous compounds.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Technical rept.
Pages: 19
Report Date: 13 MAY 89
Contract Number: N00014-82-K-0322
Report Number: A833802
Keywords relating to this report:
*BINDERS
*CERAMIC MATERIALS
*POWDERS
BORON CARBIDES
CARBORANES
CONVERSION
IONS
ORGANIC PHOSPHORUS COMPOUNDS
PHOSPHINE
PHOSPHONIUM COMPOUNDS
PYROLYSIS
SALTS
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