Boron Nitride Composites By Chemical Vapor Deposition
- 27 July 1975
- journal article
- Published by SAGE Publications in Journal of Composite Materials
- Vol. 9 (3) , 228-240
- https://doi.org/10.1177/002199837500900302
Abstract
Composites of boron nitride (BN) have been made by the chemical vapor deposition (CVD) of a BN matrix on a BN felt fiber substrate. Reactant gases were boron trifluoride and ammonia. The composites have a relatively high density (1.70 g/cm3), a crystallite size LC = 150 A and an interlayer spacing d002 = 3.35 A. Measurements of elastic modulus and thermal conductivity and expansion showed some anisotropy as a result of the preferred fiber orientation of the substrate.Keywords
This publication has 3 references indexed in Scilit:
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- Flash Method of Determining Thermal Diffusivity, Heat Capacity, and Thermal ConductivityJournal of Applied Physics, 1961
- Crystal Structure of Boron NitrideNature, 1950