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

Patent ·
OSTI ID:7251822
;

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.

DOE Contract Number:
AC07-76ID01570
Assignee:
PTO; EDB-94-122773
Patent Number(s):
US 4398980; A
Application Number:
PPN: US 6-286422
OSTI ID:
7251822
Country of Publication:
United States
Language:
English

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ALLOYS
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THERMAL REACTORS
TRANSDUCERS
WATER COOLED REACTORS
WATER MODERATED REACTORS