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    • 2. 发明授权
    • High strength Mg alloy and method for producing same
    • 高强度镁合金及其制造方法
    • US09523141B2
    • 2016-12-20
    • US14356502
    • 2012-11-06
    • Kota WashioAkira KatoToshiji MukaiAlok SinghHidetoshi Somekawa
    • Kota WashioAkira KatoToshiji MukaiAlok SinghHidetoshi Somekawa
    • C22C23/04C22F1/06C22C1/02C22C23/00C22F1/00
    • C22F1/06C22C1/02C22C23/00C22C23/04C22F1/00
    • Provided is an Mg alloy and a method for producing same able to demonstrate high strength without requiring an expensive rare earth element (RE). The high-strength Mg alloy containing Ca and Zn within a solid solubility limit and the remainder having a chemical composition comprising Mg and unavoidable impurities is characterized in comprising equiaxial crystal particles, there being a segregated area of Ca and Zn along the (c) axis of a Mg hexagonal lattice within the crystal particle, and having a structure in which the segregated area is lined up by Mg3 atomic spacing in the (a) axis of the Mg hexagonal lattice. The method for producing the high-strength Mg alloy is characterized in that Ca and Zn are added to Mg in a compounding amount corresponding to the above composition and, after homogenization heat treating an ingot formed by dissolution and casting, the above structure is formed by subjecting the ingot to hot processing.
    • 提供一种Mg合金及其制造方法,能够显示高强度而不需要昂贵的稀土元素(RE)。 含有固溶度极限中的Ca和Zn的高强度Mg合金和其中包含Mg和不可避免的杂质的化学组成的其余部分的特征在于包括等轴晶体颗粒,沿着(c)轴具有Ca和Zn的偏析面积 的晶体粒子内的Mg六角形晶格,并且具有在Mg六方晶格的(a)轴上偏析区域被Mg 3原子间隔排列的结构。 高强度Mg合金的制造方法的特征在于,以与上述组成相对应的配合量将Mg和Ca添加到Mg中,在通过溶解和铸造形成的锭均质化热处理后,上述结构通过 对锭进行热加工。
    • 3. 发明授权
    • Mg-base alloy
    • 镁基合金
    • US09347123B2
    • 2016-05-24
    • US13144993
    • 2010-01-19
    • Hidetoshi SomekawaYoshiaki OsawaAlok SinghToshiji Mukai
    • Hidetoshi SomekawaYoshiaki OsawaAlok SinghToshiji Mukai
    • C22C23/04C22F1/06C22C23/02
    • C22F1/06C22C23/02C22C23/04
    • The quasicrystal phase and/or quasicrystal-like phase particles, which is composed of the Mg—Zn—Al, are dispersed into Mg-base alloy material for strain working. The microstructure in this material does not include the dendrite structure, and the size of the magnesium matrix is 40 μm or less than 40 μm. The present invention shows that the quasicrystal phase and/or quasicrystal-like phase is able to form by addition of the Zn and Al elements except for the use of rare earth elements. In addition, the excellent trade-off-balancing between strength and ductility and reduction of the yield anisotropy, which are the serious issues for the wrought processed magnesium alloys, is able to obtain by the microstructure controls before the strain working process.
    • 由Mg-Zn-Al组成的准晶相和/或准晶相状分散在用于应变加工的Mg基合金材料中。 该材料中的微结构不包括枝晶结构,镁基体的尺寸为40μm以下,40μm以下。 本发明表明,除了使用稀土元素之外,通过添加Zn和Al元素可以形成准晶相和/或准晶相。 另外,锻造加工镁合金的严重问题是强度和延展性之间优异的权衡平衡和屈服各向异性的降低,能够在应变工作过程之前通过微结构控制获得。