Metal to ceramic sealed joint
- Livonia, MI
- Farmington Hills, MI
- Ypsilanti, MI
A metal to ceramic sealed joint which can withstand wide variations in temperature and maintain a good seal is provided for use in a device adapted to withstand thermal cycling from about 20 to about 1000 degrees C. The sealed joint includes a metal member, a ceramic member having an end portion, and an active metal braze forming a joint to seal the metal member to the ceramic member. The joint is positioned remote from the end portion of the ceramic member to avoid stresses at the ends or edges of the ceramic member. The sealed joint is particularly suited for use to form sealed metal to ceramic joints in a thermoelectric generator such as a sodium heat engine where a solid ceramic electrolyte is joined to metal parts in the system.
- Research Organization:
- Ford Motor Co
- DOE Contract Number:
- AC02-83CE40651
- Assignee:
- Ford Motor Company (Dearborn, MI)
- Patent Number(s):
- US 5042847
- OSTI ID:
- 867947
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
1000
20
active
active metal
adapted
avoid
braze
ceramic
ceramic electrolyte
ceramic joint
ceramic joints
ceramic seal
ceramic sealed
cycling
degrees
device
device adapted
edges
electric generator
electrolyte
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form
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generator
heat
heat engine
joined
joint
joints
maintain
metal
metal braze
particularly
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remote
seal
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sealed joint
sodium
sodium heat
solid
solid ceramic
stresses
suited
temperature
thermal
thermal cycling
thermoelectric
thermoelectric generator
variations
wide
withstand
withstand thermal