Electric heating – Inductive heating – Metal working
Patent
1993-11-12
1995-05-30
Reynolds, Bruce A.
Electric heating
Inductive heating
Metal working
219603, 219609, 228157, 428593, B23K 1301
Patent
active
054204003
ABSTRACT:
Multisheet SPF parts with braze joints at selected locations are produced with improved energy efficiency and at lower cost by heating the multisheet pack to its superplastic forming range below the melting point of the braze alloy, superplastically forming the pack to define braze joints having unmelted braze alloy; increasing the temperature to the braze temperature of the braze alloy, and cooling the pack below the superplastic range to freeze the braze alloy in the braze joint.
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Quarterly Government Report for Sep., 1992 through Nov.
Hammar John C.
Hoang Tu
Reynolds Bruce A.
The Boeing Company
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