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LONG PERIOD STACKING STRUCTURE MAGNESIUM ALLOY AND PRODUCTION METHOD THEREOF 发明申请

2023-06-18 1440 586K 0

专利信息

申请日期 2025-07-12 申请号 JP2014112077
公开(公告)号 JP2015224388A 公开(公告)日 2015-12-14
公开国别 JP 申请人省市代码 全国
申请人 FUJI LIGHT METAL CO LTD
简介 PROBLEM TO BE SOLVED : To provide a long period stacking structure magnesium alloy which does not use Y (yttrium) but uses Gd (gadolinium) and whose production cost can be reduced, and to provide a production method of the long period stacking structure magnesium alloy. SOLUTION : The long period stacking structure magnesium alloy of the present invention is a Mg-Zn-RE-based magnesium alloy having long period stacking structure and containing 0.2 atom% to 3.0 atom% of zinc (hereafter "Zn") based on the whole, 0.4 atom% to 6.0 atom% of rare earth metal (hereafter "RE") that is at least one of gadolinium (hereafter "Gd") and terbium (Tb), based on the whole, and the balance magnesium (hereafter "Mg") with inevitable impurities. The long period stacking structure magnesium alloy is produced by the following steps : a melting step of melting Mg, Zn and RE to produce a molten metal; a cooling step of cooling the molten metal under a predetermined condition; and a solidifying step of solidifying the molten metal after the cooling step, the predetermined condition is based on at least one of temperature change, cooling time, cooling speed and cooling method. COPYRIGHT : (C)2016, JPO&INPIT


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