Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Corrosion or damage prevention
Patent
1997-09-12
1998-12-08
Jordan, Charles T.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Corrosion or damage prevention
376245, 376249, 376256, 204400, 204435, G21C 1710, G01N 2730
Patent
active
058481133
ABSTRACT:
An electrochemical corrosion potential sensor includes a sensor tip electrically joined to a conductor, and a ceramic insulator joined to the tip around the conductor. A sleeve is joined to the insulator around the conductor, and is electrically insulated from the tip by the ceramic insulator. The insulator has an exposed surface axially separating the tip and sleeve, and a ceramic coating is bonded thereto for preventing dissolution of the insulator by reactor water. In a preferred embodiment, the ceramic insulator is sapphire, and the ceramic coating is yttria-stabilized-zirconia or magnesia-stabilized-zirconia which may be plasma sprayed over the insulator.
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Andresen Peter Louis
Gray Dennis Michael
Kim Young Jin
General Electric Company
Johnson Noreen C.
Jordan Charles T.
Lattig Matthew J.
Stoner Douglas E.
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