COMPOSITE WELDING WIRE AND METHOD OF MANUFACTURING
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United States of America Patent
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Oct 15, 2014
filing date -
Oct 24, 2012
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Abandoned
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Abstract
The present invention is a composite welding wire for fusion welding of components manufactured of superalloys. The composite weld wire includes an inner core wire and a surface layer applied and bonded to the inner core wire. The surface layer includes alloying elements selected from among B and Si with a total bulk content of B and Si in the composite welding wire of 0.1 to 10 wt. %. Preferably the total bulk content of B is less than 4 wt. % and the surface layer comprises from 5 to 95 wt. % of the alloying elements selected from among B and Si.
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