Damage tolerant light absorbing material

Patent · Tue Sep 07 00:00:00 EDT 1993

OSTI ID:5446341

Lauf, R J; Hamby, C Jr; Akerman, M A; Seals, R D

A light absorbing article comprised of a composite of carbon-bonded carbon fibers, is prepared by: blending carbon fibers with a carbonizable organic powder to form a mixture; dispersing the mixture into an aqueous slurry; vacuum molding the aqueous slurry to form a green article; drying and curing the green article to form a cured article; and, carbonizing the cured article at a temperature of at least about 1000 C to form a carbon-bonded carbon fiber light absorbing composite article having a bulk density less than 1 g/cm[sup 3]. 9 figures.

• DOE Contract Number: AC05-84OR21400
• Assignee: Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States)
• Patent Number(s): A; US 5243464
• Application Number: PPN: US 7-916808
• OSTI ID: 5446341
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360601* -- Other Materials-- Preparation & Manufacture
360606 -- Other Materials-- Physical Properties-- (1992-)
ABSORPTION
BULK DENSITY
CARBON FIBERS
CARBONIZATION
CHEMICAL REACTIONS
COMPOSITE MATERIALS
DECOMPOSITION
DENSITY
ELECTROMAGNETIC RADIATION
FABRICATION
FIBERS
MATERIALS
MATTER
OPTICAL PROPERTIES
ORGANIC MATTER
PHYSICAL PROPERTIES
RADIATIONS
SORPTION
VISIBLE RADIATION