| 简介 |
The present invention discloses a Mg—Ca—Zn—Zr magnesium alloy sheet, having the chemical compositions in weight percentage : Ca : 0.5˜1.0%, Zn : 0.4˜1.0%, Zr : 0.5˜1.0%, the remainders being Mg and unavoidable impurities; wherein the magnesium alloy sheet has an average grain size of less than or equal to 10 μm, an interarea texture strength of less than or equal to 5, an interarea texture strength after annealing at 250˜400° C. of less than or equal to 3, and a limiting drawing ratio at room temperature of more than AZ31; and the grain size thereof is remarkably less than that of AZ31B sheet produced in the same conditions, and the sheet texture is notably weakened. The magnesium alloy of the present invention has simple chemical compositions without noble alloy elements therein, thereby having a wide applicability and a low manufacturing cost, which can act as the sheets of interior door panels of cars, inner panels of engine lids, inner panels of trunk lids, internal decorative panels, vehicle bodies in the rail transits, and housings of 3C products, or the like. |
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