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Title: Pitch-based carbon foam and composites

Patent ·
OSTI ID:1174600

A process for producing carbon foam or a composite is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distribution of pore sizes and a highly aligned graphic structure in the struts. The foam material can be made into a composite which is useful in high temperature sandwich panels for both thermal and structural applications.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
6,656,443
Application Number:
10/205,992
OSTI ID:
1174600
Country of Publication:
United States
Language:
English

References (20)

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Glass-like carbons journal June 1969
Novel Hybrid Composites Based on Carbon Foams journal January 1992
Simple Process Produces High Modulus Carbon Fibers at Much Lower Cost journal January 1996
Full range product literature journal October 1998
Flexible towpreg for the fabrication of high thermal conductivity carbon/carbon composites journal May 1996
Pitch-based processing of carbon-carbon composites journal January 1989
Vitreous carbon — A new form of carbon journal November 1967
The formation of graphitizing carbons from the liquid phase journal October 1965
Structure, microtexture, and optical properties of anthracene and saccharose-based carbons journal January 1989
Widealized Strut Geometries for Open-Celled Foams journal January 1992
Pitch and Mesophase Fibers book January 1990
High-thermal-conductivity, mesophase-pitch-derived carbon foams: effect of precursor on structure and properties journal January 2000
Flexible towpreg for the fabrication of high thermal conductivity carbon/carbon composites journal January 1995
Modelling the mechanical behavior of cellular materials journal March 1989
Pulse Method of Measuring Thermal Diffusivity at High Temperatures journal April 1963
Application of laser flash method to penetrative materials for measurement of thermal diffusivity journal February 1990
Microcellular Foams Prepared From Demixed Polymer Solutions journal January 1990
Metallic foams: their production, properties and applications journal July 1983
Structural development in mesophase pitch based carbon fibers produced from naphthalene journal January 1997

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