Electric heating – Metal heating – By arc
Patent
1993-06-03
1996-06-11
Shaw, Clifford C.
Electric heating
Metal heating
By arc
21914622, B23K 923
Patent
active
055257798
ABSTRACT:
Welding wires for welding together intermetallic alloys of nickel aluminides, nickel-iron aluminides, iron aluminides, or titanium aluminides, and preferably including additional alloying constituents are fabricated as two-component, clad structures in which one component contains the primary alloying constituent(s) except for aluminum and the other component contains the aluminum constituent. This two-component approach for fabricating the welding wire overcomes the difficulties associated with mechanically forming welding wires from intermetallic alloys which possess high strength and limited ductilities at elevated temperatures normally employed in conventional metal working processes. The composition of the clad welding wires is readily tailored so that the welding wire composition when melted will form an alloy defined by the weld deposit which substantially corresponds to the composition of the intermetallic alloy being joined.
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Santella Michael L.
Sikka Vinod K.
Adams H. W.
Larcher E.
Martin Marietta Energy Systems Inc.
Shaw Clifford C.
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