Method and apparatus for welding precipitation hardenable materials
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United States of America Patent
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Jun 28, 1994
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app pub date -
Sep 25, 1992
filing date -
Sep 25, 1992
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Abstract
A method for welding together members consisting of precipitation age hardened materials includes the steps of selecting a weld filler material that has substantially the same composition as the materials being joined, and an age hardening characteristic temperature age threshold below that of the aging kinetic temperature range of the materials being joined, whereby after welding the members together, the resulting weld and heat affected zone (HAZ) are heat treated at a temperature below that of the kinetic temperature range of the materials joined, for obtaining substantially the same mechanical characteristics for the weld and HAZ, as for the parent material of the members joined.
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