Description: Sensors installed in special fuel elements for the EBR-II reactor had 30- ft-long leads that would pass from the sodium environment through a sealed bulkhead. A hydrogen-atmosphere, induction-heated brazing furnace was constructed to simultaneously braze 20-26 separate sensor leads at one time. The brazed seals were leak-tight, and the sheath wall has less than 10 percent interaction with the braze alloy. (auth)
Date: October 1, 1975
Creator: Walker, D.E.
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