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Magnesium Alloy Sheet of Low Cost, Fine Grains, and Weak Texture, and Manufacturing Method Theref 发明申请

2023-10-03 2020 3131K 0

专利信息

申请日期 2025-07-11 申请号 KR1020157021674
公开(公告)号 KR1020150105450A 公开(公告)日 2015-09-16
公开国别 KR 申请人省市代码 全国
申请人 BAOSHAN IRON STEEL
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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