Coating formulation and method for refinishing the surface of surface-damaged graphite articles
The described development is directed to a coating formulation for filling surface irregularities in graphite articles such as molds, crucibles, and matched die sets used in high-temperature metallurgical operations. The coating formulation of the present invention is formed of carbon black flour, thermosetting resin and a solvent for the resin. In affixing the coating to the article, the solvent is evaporated, the resin cured to bond the coating to the surface of the article and then pyrolyzed to convert the resin to carbon. Upon completion of the pyrolysis step, the coating is shaped and polished to provide the article with a surface restoration that is essentially similar to the original or desired surface finish without the irregularity.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- DOE Contract Number:
- AC05-84OS21400
- Assignee:
- TIC; ERA-14-001155; EDB-88-184935
- Patent Number(s):
- PATENTS-US-A6071102
- OSTI ID:
- 6743625
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Coating formulation and method for refinishing the surface of surface-damaged graphite articles
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Related Subjects
CONTAINERS
REPAIR
GRAPHITE
LABORATORY EQUIPMENT
CARBON BLACK
INVENTIONS
RESINS
SURFACE COATING
CARBON
DEPOSITION
ELEMENTAL MINERALS
ELEMENTS
EQUIPMENT
MINERALS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
360601* - Other Materials- Preparation & Manufacture