Method for manufacturing liquid-cooling jacket and friction stir welding method
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United States of America
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Nov 26, 2024
Grant Date -
May 4, 2023
app pub date -
Mar 26, 2020
filing date -
Mar 26, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention includes: a primary joining process in which a coarse portion having a predetermined width is formed in the vicinity of a step side face within a plasticized region while the rotary tool is being moved one round along a first butted portion to perform friction stirring in a state that a tip of a stirring pin of a rotary tool being rotated is inserted to the same depth as or slightly deeper than a step bottom face and a bottom face of a shoulder portion is in contact with a front face of a sealing body and the stirring pin is slightly in contact with at least an upper portion of a jacket body; and an inspection process in which a passed position of the stirring pin is specified by performing, after the primary joining process, a flaw detection to detect the coarse portion.
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