Metal to ceramic sealed joint

Patent · Tue Jan 01 00:00:00 EST 1991

OSTI ID:867947

Lasecki, John V ^[1]; Novak, Robert F ^[2]; McBride, James R ^[3]

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1. Livonia, MI
2. Farmington Hills, MI
3. 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 Company, Detroit, MI (United States)
• 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

Related Subjects

metal
ceramic
sealed
joint
withstand
wide
variations
temperature
maintain
seal
provided
device
adapted
thermal
cycling
20
1000
degrees
portion
active
braze
forming
positioned
remote
avoid
stresses
edges
particularly
suited
form
joints
thermoelectric
generator
sodium
heat
engine
solid
electrolyte
joined
ceramic electrolyte
electric generator
active metal
particularly suited
heat engine
thermal cycling
thermoelectric generator
solid ceramic
withstand thermal
ceramic sealed
ceramic joints
sealed joint
sodium heat
metal braze
ceramic joint
device adapted
ceramic seal
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