Method for welding age-hardenable nickel-base alloys
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United States of America Patent
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Sep 14, 1999
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app pub date -
Sep 15, 1998
filing date -
Sep 22, 1997
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Abstract
In a method for welding age-hardenable nickel-base alloys, a workpiece (5) made from an age-hardenable nickel-base alloy (1, 2) is welded with filler material of the same composition as the base material. The weld metal (3) which is formed in so doing is covered by a sealed covering layer (4) comprising a ductile material and the workpiece (5) is subjected to hot isostatic pressing (HIP).
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