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公开(公告)号：US20110268986A1
公开(公告)日：2011-11-03
申请号：US13142360
申请日：2009-11-17
申请人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
发明人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
CPC分类号： H05K5/04 , Y10T29/49908 , Y10T156/10 , Y10T156/1002 , Y10T428/12611
摘要： The method of producing a magnesium alloy joined part has the following steps: a joining step of joining a reinforcing material made of metal to a plate material made of magnesium alloy without allowing an organic material to remain at the joined portion and a plastic-working step of performing plastic working on the plate material to which the reinforcing material is joined. A desirable means of joining the reinforcing material to the plate material can be to use an inorganic adhesive. Because the magnesium alloy joined part is formed by a structure in which the reinforcing material is joined to the plate material, in comparison with the case where the reinforcing material is formed by machining or the like, the magnesium alloy structural member can be obtained with high production efficiency.
摘要翻译： 镁合金接合部的制造方法具有以下步骤：将由金属制成的增强材料与镁合金制的板材接合而不使有机材料残留在接合部的接合工序和塑性加工工序 对加强材料接合的板材进行塑性加工。 将增强材料接合到板材的期望的方法可以是使用无机粘合剂。 由于镁合金接合部分是通过加强材料与板材接合的结构形成的，与通过机加工等形成增强材料的情况相比，可以获得高的镁合金结构件 生产效率。
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公开(公告)号：US20110203706A1
公开(公告)日：2011-08-25
申请号：US13125023
申请日：2009-09-29
申请人： Yukihiro Oishi , Nozomu Kawabe , Nobuyuki Okuda , Nobuyuki Mori , Masatada Numano , Koji Mori , Takahiko Kitamura , Ryuichi Inoue
发明人： Yukihiro Oishi , Nozomu Kawabe , Nobuyuki Okuda , Nobuyuki Mori , Masatada Numano , Koji Mori , Takahiko Kitamura , Ryuichi Inoue
IPC分类号： C22C23/02
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20110229733A1
公开(公告)日：2011-09-22
申请号：US13131179
申请日：2009-11-12
申请人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
发明人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
IPC分类号： B32B3/00
CPC分类号： C22C23/02 , B23K31/02 , B23K35/3602 , B23K2103/15 , C21D2251/00 , C22F1/00 , C22F1/06 , Y02P10/212 , Y10T428/12729
摘要： A plurality of magnesium alloy parts are joined to one another through an inorganic joining layer (an reinforcing material 2, a boss 3, and a pin 4 are joined to a base material 1). Concrete examples of the inorganic joining layer include a layer of an inorganic adhesive and a metal thin film formed on the magnesium alloy part at the time of hot cladding. Because the magnesium alloy parts are joined together through the inorganic joining layer, in comparison with the case where a reinforcing material and the like are formed by machining, waste of the material can be reduced. The use of the inorganic joining layer can produce a magnesium alloy structural member that does not generate hazardous smoke and soot even when it is melted for recycling.
摘要翻译： 多个镁合金部件通过无机接合层（增强材料2，凸台3，销4接合到基材1）彼此接合。 无机接合层的具体实例包括在热包层时在镁合金部件上形成的无机粘合剂层和金属薄膜。 由于通过无机接合层将镁合金部件接合在一起，与通过机械加工形成增强材料等的情况相比，可以减少材料的浪费。 无机接合层的使用可以产生即使在熔融再循环时也不产生危险烟雾和烟灰的镁合金结构件。
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公开(公告)号：US08820614B2
公开(公告)日：2014-09-02
申请号：US13352029
申请日：2012-01-17
申请人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
发明人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
CPC分类号： H05K5/04 , Y10T29/49908 , Y10T156/10 , Y10T156/1002 , Y10T428/12611
摘要： The method of producing a magnesium alloy joined part has the following steps: a joining step of joining a reinforcing material made of metal to a plate material made of magnesium alloy without allowing an organic material to remain at the joined portion and a plastic-working step of performing plastic working on the plate material to which the reinforcing material is joined. A desirable means of joining the reinforcing material to the plate material can be to use an inorganic adhesive. Because the magnesium alloy joined part is formed by a structure in which the reinforcing material is joined to the plate material, in comparison with the case where the reinforcing material is formed by machining or the like, the magnesium alloy structural member can be obtained with high production efficiency.
摘要翻译： 镁合金接合部的制造方法具有以下步骤：将由金属制成的增强材料与镁合金制的板材接合而不使有机材料残留在接合部的接合工序和塑性加工工序 对加强材料接合的板材进行塑性加工。 将增强材料接合到板材的期望的方法可以是使用无机粘合剂。 由于镁合金接合部分是通过加强材料与板材接合的结构形成的，与通过机加工等形成增强材料的情况相比，可以获得高的镁合金结构件 生产效率。
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公开(公告)号：US20120111484A1
公开(公告)日：2012-05-10
申请号：US13352029
申请日：2012-01-17
申请人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
发明人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
IPC分类号： B29C65/48
CPC分类号： H05K5/04 , Y10T29/49908 , Y10T156/10 , Y10T156/1002 , Y10T428/12611
摘要： The method of producing a magnesium alloy joined part has the following steps: a joining step of joining a reinforcing material made of metal to a plate material made of magnesium alloy without allowing an organic material to remain at the joined portion and a plastic-working step of performing plastic working on the plate material to which the reinforcing material is joined. A desirable means of joining the reinforcing material to the plate material can be to use an inorganic adhesive. Because the magnesium alloy joined part is formed by a structure in which the reinforcing material is joined to the plate material, in comparison with the case where the reinforcing material is formed by machining or the like, the magnesium alloy structural member can be obtained with high production efficiency.
摘要翻译： 镁合金接合部的制造方法具有以下步骤：将由金属制成的增强材料与镁合金制的板材接合而不使有机材料残留在接合部的接合工序和塑性加工工序 对加强材料接合的板材进行塑性加工。 将增强材料接合到板材的期望的方法可以是使用无机粘合剂。 由于镁合金接合部分是通过加强材料与板材接合的结构形成的，与通过机加工等形成增强材料的情况相比，可以获得高的镁合金结构件 生产效率。
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公开(公告)号：US20110165431A1
公开(公告)日：2011-07-07
申请号：US13063657
申请日：2009-07-16
申请人： Ryuichi Inoue , Nozomu Kawabe , Yukihiro Oishi , Nobuyuki Okuda , Nobuyuki Mori , Masatada Numano , Takahiko Kitamura , Koji Mori
发明人： Ryuichi Inoue , Nozomu Kawabe , Yukihiro Oishi , Nobuyuki Okuda , Nobuyuki Mori , Masatada Numano , Takahiko Kitamura , Koji Mori
IPC分类号： B21D5/00
CPC分类号： B21D5/00 , B21D22/02 , B21D22/20 , B21D51/52 , Y10T428/12382
摘要： The invention offers a pressed product (F) produced by press-forming a metal plate (1). The pressed product (F) has a peripheral surface that has a corner portion (12) connecting two surfaces in the peripheral surface. The corner portion (12) has an outside corner radius R that is equal to or smaller than the thickness “t” of the metal plate (1). That is, the pressed product (F) has the sharp corner portion (12).
摘要翻译： 本发明提供通过压制成形金属板（1）制成的压制品（F）。 压制品（F）具有外周面，该外周面具有连接外周面的两面的角部（12）。 角部（12）的外侧角半径R等于或小于金属板（1）的厚度“t”。 也就是说，被压制品（F）具有尖锐的拐角部分（12）。
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公开(公告)号：US20110318603A1
公开(公告)日：2011-12-29
申请号：US13203871
申请日：2010-03-03
CPC分类号： C22C23/02 , C22F1/06 , Y10T428/12535 , Y10T428/12736
摘要： A magnesium alloy structural member includes a base material composed of a magnesium alloy having an aluminum content of 4.5% by mass to 11% by mass, in which the base material has a pair of first and second surfaces, the first surface and the second surface being opposite each other, in which when a distance between the first surface and the second surface is defined as a thickness and when surface area regions are defined as regions extending from the first and second surfaces to positions 20 μm from the respective first and second surfaces in the thickness direction, in at least both the surface area regions, 10 or more fine precipitates are present in any 20 μm×20 μm subregion of each of the surface area regions, each of the fine precipitates containing both Mg and Al and having a greatest dimension of 0.5 μm to 3 μm. Because at least each of the surface area regions is composed of a microscopic texture in which fine precipitates are dispersed, the magnesium alloy structural member has excellent corrosion resistance without anticorrosion treatment and can be used for housings and so forth.
摘要翻译： 镁合金结构件包括由铝含量为4.5质量％至11质量％的镁合金构成的基材，其中基材具有一对第一表面和第二表面，第一表面和第二表面 彼此相对，其中当第一表面和第二表面之间的距离被定义为厚度时，并且当表面积区域被定义为从第一表面和第二表面延伸到从相应的第一和第二表面到位置20μm的区域时 在厚度方向上，在至少两个表面积区域中，在每个表面积区域的任何20μm×20μm的子区域中存在10个以上的微细析出物，每个微细析出物均含有Mg和Al，并且具有 最大尺寸为0.5μm至3μm。 由于表面积区域中的至少每一个都由微细沉淀物分散的微观组织构成，所以镁合金结构构件在没有防腐蚀处理的情况下具有优异的耐腐蚀性，并且可以用于外壳等。
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公开(公告)号：US09752220B2
公开(公告)日：2017-09-05
申请号：US13511920
申请日：2010-11-22
申请人： Takahiko Kitamura , Ryuichi Inoue , Nobuyuki Mori , Yukihiro Oishi , Osamu Mizuno , Nozomu Kawabe
发明人： Takahiko Kitamura , Ryuichi Inoue , Nobuyuki Mori , Yukihiro Oishi , Osamu Mizuno , Nozomu Kawabe
CPC分类号： C22F1/06 , B21B3/00 , B21B2015/0057 , C22C23/02 , Y10T428/1241
摘要： There are provided a magnesium alloy coil stock having good flatness and a method for producing the magnesium alloy coil stock, and a magnesium alloy structural member that uses the coil stock and a method for producing the magnesium alloy structural member. The coil stock is obtained by coiling a sheet composed of a magnesium alloy in a cylindrical shape, and the internal diameter of the coil stock is 1000 mm or less. The coil stock can be produced by rolling a cast material obtained by subjecting a magnesium alloy to continuous casting, subjecting the rolled sheet to warm leveling, and coiling the worked sheet in a cylindrical shape while the temperature just before coiling is decreased to 100° C. or less.
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公开(公告)号：US20120276402A1
公开(公告)日：2012-11-01
申请号：US13511920
申请日：2010-11-22
申请人： Takahiko Kitamura , Ryuichi Inoue , Nobuyuki Mori , Yukihiro Oishi , Osamu Mizuno , Nozomu Kawabe
发明人： Takahiko Kitamura , Ryuichi Inoue , Nobuyuki Mori , Yukihiro Oishi , Osamu Mizuno , Nozomu Kawabe
CPC分类号： C22F1/06 , B21B3/00 , B21B2015/0057 , C22C23/02 , Y10T428/1241
摘要： There are provided a magnesium alloy coil stock having good flatness and a method for producing the magnesium alloy coil stock, and a magnesium alloy structural member that uses the coil stock and a method for producing the magnesium alloy structural member. The coil stock is obtained by coiling a sheet composed of a magnesium alloy in a cylindrical shape, and the internal diameter of the coil stock is 1000 mm or less. When a test piece 1 for warpage amount obtained by cutting the coil stock is paced on a horizontal table 100, the ratio of the maximum distance h in a vertical direction regarding a gap 110 between the test piece 1 and the horizontal table 100 relative to the width w of the test piece 1 is 0.5% or less. The coil stock can be produced by rolling a cast material obtained by subjecting a magnesium alloy to continuous casting, subjecting the rolled sheet to warm leveling, and coiling the worked sheet in a cylindrical shape while the temperature just before coiling is decreased to 100° C. or less. By sufficiently decreasing the temperature just before coiling, there is provided a coiled sheet with good flatness in which warpage in the width direction is not easily formed even if the number of turns is large and curling is not easily formed even if the coiling diameter is small.
摘要翻译： 提供了一种具有良好平坦度的镁合金线圈原料和一种镁合金线圈原料的制造方法，以及使用该线圈原料的镁合金结构件和一种镁合金结构件的制造方法。 线圈坯料通过将由镁合金构成的片卷绕成圆筒状而线圈原料的内径为1000mm以下而得到。 当通过切割线圈原料获得的翘曲量的测试件1在水平台100上进行时，在垂直方向上的最大距离h与测试片1和水平台100之间的间隙110相对于 试验片1的宽度w为0.5％以下。 线圈坯料可以通过轧制通过镁合金连续铸造获得的铸造材料，对轧制板进行温和调平，并将加工后的片材卷绕成圆筒形，同时将卷取前的温度降低至100℃ 。 或更少。 通过充分降低卷取前的温度，提供了即使匝数大，卷尺不易形成的宽度方向的翘曲也不容易形成的平面度良好的螺旋片，即使卷绕直径小 。
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公开(公告)号：US09334554B2
公开(公告)日：2016-05-10
申请号：US13382826
申请日：2010-06-08
申请人： Takahiko Kitamura , Yukihiro Oishi , Nozomu Kawabe
发明人： Takahiko Kitamura , Yukihiro Oishi , Nozomu Kawabe
摘要： A magnesium alloy sheet having good press formability, a magnesium alloy structural member produced by pressing the sheet, and a method for producing a magnesium alloy sheet are provided. The magnesium alloy sheet is composed of a magnesium alloy containing Al and Mn. When a region from a surface of the alloy sheet to 30% of the thickness of the alloy sheet in a thickness direction of the magnesium alloy sheet is defined as a surface region and when a 200 μm2 sub-region is arbitrarily selected from this surface region, the number precipitated impurity grains containing both Al and Mg and having a maximum diameter of 0.5 to 5 μm is 5 or less. When a 50 μm2 sub-region is arbitrarily selected from the surface region, the number of crystallized impurity grains containing both Al and Mn and having a maximum diameter of 0.1 to 1 μm is 15 or less. In the grains of the crystallized phases, the mass ratio Al/Mn of Al to Mn is 2 to 5. The magnesium alloy sheet has good press formability since the crystallized phases and precipitates that cause breaking are small in amounts contained and in size.
摘要翻译： 提供具有良好压制成形性的镁合金板，通过压制该片制造的镁合金结构件以及镁合金板的制造方法。 镁合金板由含有Al和Mn的镁合金构成。 当从合金薄板的表面到合金薄板的厚度方向的厚度在镁合金板的厚度方向上的区域被定义为表面区域时，当从该表面区域任意选择200μm2的子区域时 含有Al和Mg两者的最大直径为0.5〜5μm的杂质颗粒数为5个以下。 当从表面区域任意选择50μm2的子区域时，含有Al和Mn，最大直径为0.1〜1μm的结晶杂质粒子的数量为15以下。 在结晶相的晶粒中，Al与Mn的质量比Al / Mn为2〜5。镁合金板具有良好的压制成形性，因为结晶相和引起断裂的析出物的含量和尺寸小。
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