Methods for counteracting rebounding effects during solid state resistance welding of dissimilar materials
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United States of America Patent
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Jul 21, 2020
Grant Date -
Aug 10, 2017
app pub date -
Apr 24, 2017
filing date -
Jan 17, 2013
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Abstract
The present disclosure is directed to a multi-segment device, such as an intravascular guide wire. The multi-segment device includes an elongate first portion comprising a first metallic material, an elongate second portion comprising a different metallic material, the first and second elongate portions being directly joined together end to end by a solid-state weld, and a heat affected zone surrounding an interface of the weld where the first and second portions are joined together, wherein the heat affected zone has an average thickness of less than about 0.20 mm.
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