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    • 3. 发明申请
    • MAGNESIUM ALLOY STRUCTURAL MEMBER
    • 镁合金结构件
    • US20120308809A1
    • 2012-12-06
    • US13515155
    • 2010-12-06
    • Osamu MizunoNobuyuki OkudaKoji MoriMasahiro YamakawaMasayuki NishizawaTakayasu Sugihara
    • Osamu MizunoNobuyuki OkudaKoji MoriMasahiro YamakawaMasayuki NishizawaTakayasu Sugihara
    • B32B15/04B32B15/16
    • C22F1/06B22D11/001C22C23/02C23C22/22C23C28/021C23C28/028C23C30/00Y10T428/256
    • A magnesium alloy structural member having excellent corrosion resistance is provided. The magnesium alloy structural member includes a magnesium alloy substrate that contains more than 7.5% by mass of Al and an anticorrosive layer formed on a surface of the substrate by chemical conversion treatment. The substrate contains a precipitate, typically, particles dispersed therein. The particles are made of an intermetallic compound containing at least one of Al and Mg and have an average particle size of 0.05 μm or more and 1 μm or less. The total area of the particles accounts for 1% by area or more and 20% by area or less. The anticorrosive layer includes a lower sublayer and a surface sublayer on the substrate in this order. The surface sublayer is denser than the lower sublayer. The substrate of the magnesium alloy structural member has high corrosion resistance because of a high Al content. The magnesium alloy structural member has excellent corrosion resistance because of the dense sublayer on the front side of the anticorrosive layer, which prevents a corrosive liquid from reaching the substrate. The porous lower sublayer can reduce the tendency of the anticorrosive layer to detach from the substrate, for example, upon impact and allows the magnesium alloy structural member to retain high corrosion resistance.
    • 提供了具有优异耐腐蚀性的镁合金结构件。 镁合金结构件包括含有大于7.5质量%的Al的镁合金基材和通过化学转化处理在基板的表面上形成的防腐蚀层。 底物含有沉淀物,通常分散在其中的颗粒。 颗粒由含有Al和Mg中的至少一种的金属间化合物制成,平均粒径为0.05μm以上且1μm以下。 颗粒总面积占面积的1%以上,面积以下为20%。 防腐层依次包括下层和衬底上的表面子层。 表层子层比下层更致密。 由于Al含量高,所以镁合金构件的基板具有高耐腐蚀性。 镁合金结构件由于在防腐蚀层的正面上的致密子层而具有优异的耐腐蚀性,防止了腐蚀性液体到达基板。 多孔下层可以降低防腐层与基材脱离的倾向,例如在冲击时,镁合金结构件能够保持高的耐腐蚀性。
    • 4. 发明授权
    • Magnesium alloy structural member
    • 镁合金结构件
    • US09103010B2
    • 2015-08-11
    • US13515155
    • 2010-12-06
    • Osamu MizunoNobuyuki OkudaKoji MoriMasahiro YamakawaMasayuki NishizawaTakayasu Sugihara
    • Osamu MizunoNobuyuki OkudaKoji MoriMasahiro YamakawaMasayuki NishizawaTakayasu Sugihara
    • C22C23/02C22F1/06B22D11/00C23C22/22C23C28/02C23C30/00
    • C22F1/06B22D11/001C22C23/02C23C22/22C23C28/021C23C28/028C23C30/00Y10T428/256
    • A magnesium alloy structural member having excellent corrosion resistance is provided. The magnesium alloy structural member includes a magnesium alloy substrate that contains more than 7.5% by mass of Al and an anticorrosive layer formed on a surface of the substrate by chemical conversion treatment. The substrate contains a precipitate, typically, particles dispersed therein. The particles are made of an intermetallic compound containing at least one of Al and Mg and have an average particle size of 0.05 μm or more and 1 μm or less. The total area of the particles accounts for 1% by area or more and 20% by area or less. The anticorrosive layer includes a lower sublayer and a surface sublayer on the substrate in this order. The surface sublayer is denser than the lower sublayer. The substrate of the magnesium alloy structural member has high corrosion resistance because of a high Al content. The magnesium alloy structural member has excellent corrosion resistance because of the dense sublayer on the front side of the anticorrosive layer, which prevents a corrosive liquid from reaching the substrate. The porous lower sublayer can reduce the tendency of the anticorrosive layer to detach from the substrate, for example, upon impact and allows the magnesium alloy structural member to retain high corrosion resistance.
    • 提供了具有优异耐腐蚀性的镁合金结构件。 镁合金结构件包括含有大于7.5质量%的Al的镁合金基材和通过化学转化处理在基板的表面上形成的防腐蚀层。 底物含有沉淀物,通常分散在其中的颗粒。 颗粒由含有Al和Mg中的至少一种的金属间化合物制成,平均粒径为0.05μm以上且1μm以下。 颗粒总面积占面积的1%以上,面积以下为20%。 防腐层依次包括下层和衬底上的表面子层。 表层子层比下层更致密。 由于Al含量高,所以镁合金构件的基板具有高耐腐蚀性。 镁合金结构件由于在防腐蚀层的正面上的致密子层而具有优异的耐腐蚀性,防止了腐蚀性液体到达基板。 多孔下层可以降低防腐层与基材脱离的倾向,例如在冲击时,镁合金结构件能够保持高的耐腐蚀性。
    • 7. 发明申请
    • COMPOSITE STRUCTURAL MEMBER
    • 复合结构构件
    • US20120301668A1
    • 2012-11-29
    • US13522861
    • 2010-12-28
    • Masatada NumanoKoji MoriNobuyuki OkudaNozomu Kawabe
    • Masatada NumanoKoji MoriNobuyuki OkudaNozomu Kawabe
    • B32B15/08B32B3/24
    • B32B15/08B32B15/20B32B2451/00Y10T428/24331Y10T428/266
    • There is provided a composite structural member having high rigidity even at a small thickness, the composite structural member being easily attachable to a target object. A composite structural member 1A includes a metal base material 10A, a resin formed article 11, and a resin film layer 12 that covers a surface of the metal base material 10A. The metal base material 10A is a plastically formed material formed by subjecting a flat sheet material having a thickness of 50 μm or more to press forming. The metal base material 10A and the resin film layer 12 are joined together using a constituent resin of the resin formed article 11. The composite structural member 1A includes the metal base material 10A and thus can have excellent strength and rigidity even at a smaller thickness. The composite structural member 1A includes the resin formed article 11. An attaching portion to the target object can be easily formed in the resin formed article 11. Thus, the composite structural member 1A has excellent mounting workability. The composite structural member 1A includes the resin film layer 12 and thus has excellent design properties.
    • 提供了即使是小的厚度也具有高刚性的复合结构构件,该复合结构构件易于附接到目标物体上。 复合结构构件1A包括金属基材10A,树脂成型体11和覆盖金属基材10A的表面的树脂膜层12。 金属基材10A是通过对厚度为50μm以上的平板材进行冲压成形而形成的塑性成形材料。 金属基材10A和树脂膜层12使用树脂成型体11的构成树脂接合在一起。复合结构部件1A包括金属基材10A,即使在较小的厚度下也具有优异的强度和刚性。 复合结构部件1A包括树脂成型体11.在树脂制品11中,能够容易地形成到目标物体的安装部。因此,复合结构部件1A具有优异的安装加工性。 复合结构件1A包括树脂膜层12,因此具有优异的设计性能。
    • 10. 发明申请
    • FORMED PRODUCT OF MAGNESIUM ALLOY AND MAGNESIUM ALLOY SHEET
    • 镁合金和镁合金板的成型产品
    • US20110203706A1
    • 2011-08-25
    • US13125023
    • 2009-09-29
    • Yukihiro OishiNozomu KawabeNobuyuki OkudaNobuyuki MoriMasatada NumanoKoji MoriTakahiko KitamuraRyuichi Inoue
    • Yukihiro OishiNozomu KawabeNobuyuki OkudaNobuyuki MoriMasatada NumanoKoji MoriTakahiko KitamuraRyuichi Inoue
    • C22C23/02
    • C22C23/02C22F1/06
    • A formed product of a magnesium alloy having excellent impact resistance and a magnesium alloy sheet suitable as a material for the formed product are provided. The formed product is produced by press-forming a magnesium alloy sheet having an Al content of 7% by mass to 12% by mass and has a flat portion that is not subjected to drawing deformation. In a metal texture in a cross section of the flat portion in the thickness direction, the number of coarse intermetallic compound (Mg17Al12) particles having a particle size of 5 μm or more present in a surface area region extending from a surface of the flat portion to a position one-third of the thickness from the surface in the thickness direction is five or less. The formed product has a texture in which the number of coarse precipitations d1 is small and in which fine precipitations d0 are dispersed. The formed product is less likely to be dented even when impacted because of dispersion strengthening owing to the fine precipitations and solid-solution strengthening owing to Al that sufficiently forms a solid solution.
    • 提供了具有优异抗冲击性的镁合金的成型产品和适合成型产品的材料的镁合金板。 形成的产品通过压制形成Al含量为7质量%至12质量%的镁合金板而制成,并具有不受拉伸变形的平坦部分。 在平坦部分的厚度方向的横截面中的金属结构中,存在于从平坦部分的表面延伸的表面区域中具有5μm以上的粒子的粗大的金属间化合物(Mg17Al12)颗粒的数量 到厚度方向上的表面厚度的三分之一的位置为五分之一以下。 形成的产品具有其中粗沉淀物d1的数量少并且其中分散有细小沉淀物d0的织构。 即使由于由于充分形成固溶体的Al的细小沉淀和固溶强化而引起的分散强化,即使被冲击也难以形成凹陷。