Method for producing ceramic-glass-ceramic seals by microwave heating
Patent
·
OSTI ID:5350091
A method is described for producing a ceramic-glass-ceramic seal comprising the steps of: a. preparing a mixture comprising a glass sealing material, a coupling agent, and an oxidizer; b. applying the mixture to a plurality of ceramic workpieces for sealing; c. enclosing the ceramic workpieces with other such workpieces; d. surrounding the mixture and plurality of ceramic workpieces with an insulative material; e. microwaving the mixture and plurality of ceramic workpieces at a power, time and frequency sufficient to ignite the oxidizer and to cause a liquid phase seal to form; and f. allowing the seal and workpieces to cool, thereby securing a ceramic-glass-ceramic seal.
- Assignee:
- Dept. of Energy, Washington, DC
- Patent Number(s):
- US 4606748
- OSTI ID:
- 5350091
- Resource Relation:
- Patent File Date: Filed date 10 Oct 1984
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
CERAMICS
MICROWAVE HEATING
GLASS
SEALS
COOLING
FREQUENCY DEPENDENCE
IGNITION
MIXTURES
OXIDIZERS
SEALING MATERIALS
THERMAL INSULATION
TIME DEPENDENCE
DISPERSIONS
HEATING
MATERIALS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360601 - Other Materials- Preparation & Manufacture
CERAMICS
MICROWAVE HEATING
GLASS
SEALS
COOLING
FREQUENCY DEPENDENCE
IGNITION
MIXTURES
OXIDIZERS
SEALING MATERIALS
THERMAL INSULATION
TIME DEPENDENCE
DISPERSIONS
HEATING
MATERIALS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360601 - Other Materials- Preparation & Manufacture