MAGNESIUM ALLOY SHEET, PRESS-FORMED BODY, AND METHOD FOR MANUFACTURING MAGNESIUM ALLOY SHEET

WIPO Patent Application WO/2021/214891

A1

A magnesium alloy sheet comprising a magnesium-based alloy, wherein the magnesium-based alloy has: a composition including 4.5 mass% to less than 8.5 mass% Al; and a structure that satisfies the conditions that fb/fa is 7 or greater and mL/mC and mL/mD are 0.9 to less than 1.3, where fa is the ratio of the number of pixels in which the crystal orientation of the basal plane is inclined 0-10° relative to the sheet surface from among all the pixels in one field of view when the crystal orientation is measured by an EBSD method, fb is the ratio of the number of pixels in which the crystal orientation is inclined 25-45° relative to the sheet surface, mL is the Schmid factor of basal plane slip with the direction orthogonal to both the sheet width direction and the sheet thickness direction as the tensile direction, mC is the Schmid factor of basal plane slip with the sheet width direction as the tensile direction, and mD is the Schmid factor of basal plane slip with the direction inclined 45° relative to both the aforementioned orthogonal direction and the sheet width direction as the tensile direction.

YOSHIDA YU (JP)
YOSHIDA KATSUHITO (JP)
NAKATA TAIKI (JP)
OHASHI HIDEAKI (JP)
KAMADO SHIGEHARU (JP)

PCT/JP2020/017259

October 28, 2021

April 21, 2020

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SUMITOMO ELECTRIC INDUSTRIES (JP)
NATIONAL UNIV CORPORATION NAGAOKA UNIV OF TECHNOLOGY (JP)

C22C23/02; C22F1/06; C22F1/00

KR20190000756A	2019-01-03
JP2010077465A	2010-04-08
JP2012107274A	2012-06-07

YAMANO Hiroshi et al. (JP)

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