Plastic working method for magnesium alloy
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United States of America Patent
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Jan 26, 2021
Grant Date -
Sep 21, 2017
app pub date -
Sep 14, 2015
filing date -
Oct 15, 2014
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Abstract
A plastic working method for a magnesium alloy, wherein the magnesium alloy is subjected to a friction stir process whereby a probe at the tip portion of a tool rotating around an axial line is press-fitted to the surface of the magnesium alloy, the magnesium alloy is heated and softened by friction between the magnesium alloy and the rotating tool, and the tool is moved parallel to the surface of the magnesium alloy while the tool is rotated with the probe in the press-fitted state. When the length in a first direction of the region of the magnesium alloy being plastically worked is A, and the amount of shrinkage of the magnesium alloy in the first direction due to the friction stir process is α, A+α is set as the length in the first direction of the region subjected to the friction stir process.
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