Method of producing silicon carbide articles
Patent
·
OSTI ID:865432
- Los Alamos, NM
A method of producing articles comprising reaction-bonded silicon carbide (SiC) and graphite (and/or carbon) is given. The process converts the graphite (and/or carbon) in situ to SiC, thus providing the capability of economically obtaining articles made up wholly or partially of SiC having any size and shape in which graphite (and/or carbon) can be found or made. When the produced articles are made of an inner graphite (and/or carbon) substrate to which SiC is reaction bonded, these articles distinguish SiC-coated graphite articles found in the prior art by the feature of a strong bond having a gradual (as opposed to a sharply defined) interface which extends over a distance of mils. A method for forming SiC whisker-reinforced ceramic matrices is also given. The whisker-reinforced articles comprise SiC whiskers which substantially retain their structural integrity.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4513030
- OSTI ID:
- 865432
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/427/501/
articles
articles comprising
bond
bonded
bonded silicon
capability
carbide
carbide articles
carbon
ceramic
coated graphite
comprise
comprising
converts
defined
distance
distinguish
economically
extends
feature
forming
found
gradual
graphite
graphite articles
inner
integrity
interface
matrices
method
mils
obtaining
opposed
partially
prior
process
produced
producing
producing articles
producing silicon
providing
reaction
reaction-bonded
reinforced ceramic
retain
shape
sharply
sharply defined
sic
sic whisker-reinforced
sic whiskers
sic-coated
silicon
silicon carbide
situ
size
strong
strong bond
structural
structural integrity
substantially
substantially retain
substrate
whisker-reinforced
whisker-reinforced ceramic
whiskers
wholly
articles
articles comprising
bond
bonded
bonded silicon
capability
carbide
carbide articles
carbon
ceramic
coated graphite
comprise
comprising
converts
defined
distance
distinguish
economically
extends
feature
forming
found
gradual
graphite
graphite articles
inner
integrity
interface
matrices
method
mils
obtaining
opposed
partially
prior
process
produced
producing
producing articles
producing silicon
providing
reaction
reaction-bonded
reinforced ceramic
retain
shape
sharply
sharply defined
sic
sic whisker-reinforced
sic whiskers
sic-coated
silicon
silicon carbide
situ
size
strong
strong bond
structural
structural integrity
substantially
substantially retain
substrate
whisker-reinforced
whisker-reinforced ceramic
whiskers
wholly