Brazing sleeve having ceramic flux band and method for applying

Induced nuclear reactions: processes – systems – and elements – Reactor structures – Circulating fluid within reactor

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228119, G21C 1500

Patent

active

047626747

ABSTRACT:
A metal brazing sleeve includes a ceramic flux band formed on the sleeve adjacent an annular recess typically disposed near an open end of the sleeve for receiving a conventional braze preform, by adhering a powder flux to the sleeve by a tacky adhesive and then melting the powder flux in place, by internal heating of the tube. The ceramic flux band is hard and adherent, and resistant to abrasion effects during insertion of the sleeve into a tube, and provides a shadow effect for protecting an optional cemented powder flux band which may be formed on the braze ring.

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