Vacuum brazing process with improved gettering
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United States of America Patent
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Aug 30, 1983
Grant Date -
N/A
app pub date -
Sep 29, 1980
filing date -
Sep 29, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of vacuum brazing large assemblies in an enclosed evacuated furnace with brazing material containing a gettering agent in the area of the joints to be formed, including sensing the temperature of the assembly to be brazed adjacent the joints on the exterior surface of the assembly, and shifting an additional quantity of gettering agent from a cool zone into a hot zone in the furnace as the surface temperature of the assembly approaches the brazing temperature. A furnace adapted to carry out this method is also disclosed.
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