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Crystalline structure of pyrocarbon film deposited on pyrolytic boron nitride. Interim technical report

Technical Report ·
OSTI ID:7334482
; ;
Transmission electron diffraction data have indicated that the pyrocarbon films deposited on pyrolytic boron nitride consist of a mixture of crystalline and amorphous carbon phases. The crystalline structures appear to be of two allotropic modifications of carbon: graphite and carbyne. These carbyne crystals were produced during the deposition of pyrocarbon on pyrolytic boron nitride rods at a moderate temperature and pressure by the decomposition of methane. (GRA)
Research Organization:
Aerospace Corp., El Segundo, Calif. (USA). Materials Sciences Lab.
OSTI ID:
7334482
Report Number(s):
AD-A-019437
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
ALKANES
BORON COMPOUNDS
BORON NITRIDES
CARBON
CHEMICAL COATING
CHEMICAL VAPOR DEPOSITION
COATINGS
CRYOGENIC FLUIDS
CRYSTAL STRUCTURE
DEPOSITION
ELEMENTS
FILMS
FLUIDS
HYDROCARBONS
METHANE
NITRIDES
NITROGEN COMPOUNDS
NONMETALS
ORGANIC COMPOUNDS
PNICTIDES
PYROLYTIC CARBON
SURFACE COATING