Method for fabricating a seal between a ceramic and a metal alloy

Patent · Sat Jan 01 00:00:00 EST 1983

OSTI ID:864666

Siegel, William T ^[1]

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1. Rigby, ID

A method of fabricating a seal between a ceramic and an alloy comprising the steps of prefiring the alloy in an atmosphere with a very low partial pressure of oxygen, firing the assembled alloy and ceramic in air, and gradually cooling the fired assembly to avoid the formation of thermal stress in the ceramic. The method forms a bond between the alloy and the ceramic capable of withstanding the environment of a pressurized water reactor and suitable for use in an electrical conductivity sensitive liquid level transducer.

• Research Organization: EG & G IDAHO INC
• DOE Contract Number: AC07-76ID01570
• Assignee: Kelsey, Jr., Paul V. (Idaho Falls, ID);Siegel, William T. (Rigby, ID)
• Patent Number(s): US 4398980
• OSTI ID: 864666
• Country of Publication: United States
• Language: English

Related Subjects

method
fabricating
seal
ceramic
metal
alloy
comprising
steps
prefiring
atmosphere
partial
pressure
oxygen
firing
assembled
air
gradually
cooling
fired
assembly
avoid
formation
thermal
stress
forms
bond
capable
withstanding
environment
pressurized
water
reactor
suitable
electrical
conductivity
sensitive
liquid
level
transducer
water reactor
pressurized water
alloy comprising
thermal stress
metal alloy
liquid level
electrical conductivity
partial pressure
method forms
ceramic capable
ceramic cap
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