Magnesium alloy sheet and method for producing same
AssigneePosco
InventorsJun Ho Park, Hyun Bom Lee, Jae Joong Kim, Oh-Duck Kwon
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Abstract
The present invention relates to a magnesium alloy sheet and a manufacturing method thereof. In detail, the magnesium alloy sheet includes 0.5 to 3.5 wt % of Al, 0.5 to 1.5 wt % of Zn, 0.1 to 1.0 wt % of Ca, 0.01 to 1.0 wt % of Mn, a remainder of Mg, and other inevitable impurities with respect to an entire 100 wt % of a magnesium alloy sheet, wherein an average crystal grain size of the magnesium alloy sheet is 3 to 15 μm, the magnesium alloy sheet includes a stringer, and a length of the stringer in a rolling direction (RD) is equal to or less than the maximum value of 50 μm.
Claims5
A magnesium alloy sheet comprising:
- 0.5 to 3.5 wt % of Al, 0.5 to 1.5 wt % of Zn, 0.1 to 1.0 wt % of Ca, 0.01 to 1.0 wt % of Mn, a remainder of Mg, and other inevitable impurities with respect to an entire 100 wt % of the magnesium alloy sheet,
- wherein an average crystal grain size of the magnesium alloy sheet is 3 to 15 μm,
- wherein the magnesium alloy sheet has a limited bending radius (LBR) value in a rolling direction (RD) at equal to or greater than 150° C. that is equal to or less than 0.5,
- wherein an absolute value of a difference between the limited bending radius (LBR) value in the rolling direction (RD) and transverse direction (TD) at equal to or greater than 150° C. is 0.4 to 1.4.
Dependencies are inferred from the claim text.