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    • 1. 发明专利
    • マグネシウム合金板
    • 镁合金板
    • JP2014237896A
    • 2014-12-18
    • JP2014161819
    • 2014-08-07
    • 住友電気工業株式会社Sumitomo Electric Ind Ltd
    • INOUE RYUICHIIGUCHI KOJIOISHI YUKIHIROKAWABE NOZOMI
    • C22C23/02
    • 【課題】耐食性に優れるマグネシウム合金板を提供する。【解決手段】添加元素を含有するマグネシウム合金からなるマグネシウム合金板であって、前記添加元素としてAlを3.0質量%以上11.0質量%以下含有するMg−Al系合金からなり、前記板中にMg17Al12の金属間化合物の粒子が分散して存在しており、前記金属間化合物の粒子には、アスペクト比2未満の球状の粒子と、更にアスペクト比2以上の棒状の粒子が含まれ、前記板表面のXRD分析における前記金属間化合物の主回折面(4,1,1)回折強度をMg合金相のc面(0,0,2)回折強度で除した比率が0.040以上で、前記板断面のSEM観察における前記金属間化合物の面積比率が10.0%以上であり、前記金属間化合物の球状の粒子の平均粒径が0.4μm以上であるマグネシウム合金板。【選択図】なし
    • 要解决的问题:提供耐腐蚀性优异的镁合金板。解决方案:提供由含有附加元素的镁合金制成的镁合金板。 镁合金板由含有3.0质量%至11.0质量%的Al的Mg-Al系合金作为附加元素,分散在片材中的MgAl的金属间化合物的粒子,金属间化合物包含球状 纵横比小于2的颗粒和另外的纵横比为2以上的棒状颗粒,通过将金属间化合物的主衍射面(4,1,1)衍射强度除以c面而得到的比例( 0,0,2)在片材表面的XRD分析中Mg合金相的衍射强度为0.040以上,在片材截面的SEM观察中,金属间化合物的面积百分比为10.0%以上,平均值 金属间化合物的球形粒子的粒径为0.4μm以上。
    • 2. 发明专利
    • Magnesium alloy material and method for producing the same
    • 镁合金材料及其制造方法
    • JP2012172254A
    • 2012-09-10
    • JP2011038888
    • 2011-02-24
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • OISHI YUKIHIROMORI NOBUYUKIINOUE RYUICHIKAWABE NOZOMI
    • C22C23/02B21B3/00B22D11/00B22D11/06B22D21/04C22C23/00C22C23/04C22C23/06C22F1/00C22F1/06
    • C22C23/02B22D11/001B22D11/0622C21D2201/05C22C1/02C22C23/00C22F1/06Y10T428/12
    • PROBLEM TO BE SOLVED: To provide a magnesium alloy material that is thick and excellent in press working characteristics, and a method for producing the same.SOLUTION: The magnesium (Mg) alloy material (typically a Mg alloy plate) has a plate-shaped section having a thickness of at least 1.5 mm. When a surface region is defined as a region within 1/4 of thickness in the thickness direction from the surface of the plate-shaped section and an inner region defined as the remaining section, the ratio O/Oof the base surface peak ratio Oof the surface region to the base surface peak ratio Oof the inner region (orientation joint of the (002) surface) satisfy the relation: 0.95≤O/O≤1.05. The plate-shaped section comprises a uniform aggregate structure across the entire region of the thickness direction thereof, and thus is thick and excellent in press working characteristics. A press-working material excellent in dimensional accuracy can be obtained by using the alloy material as a starting material. The press-working material obtained also comprises a uniform structure. A plate-shaped Mg alloy can be obtained by rolling a twin-roll continuous cast material at least one pass at a rolling reduction of ≥25%, and at a rolling reduction of ≥10% for each of the remaining passes.
    • 要解决的问题:提供一种厚且压制加工特性优异的镁合金材料及其制造方法。 解决方案:镁(Mg)合金材料(通常为Mg合金板)具有厚度至少为1.5mm的板状部分。 当表面区域被定义为从板状部分的表面和限定为剩余部分的内部区域在厚度方向上的厚度的1/4之内的区域时,比率O F 表面峰值比O F 的表面峰值比O c 内部区域((002)面的取向接头)的 c 满足关系:0.95≤O F SB POS =“POST”> c ≤1.05。 板状部分在其厚度方向的整个区域上均匀地具有聚集体结构,因此压力加工特性很厚且优异。 通过使用合金材料作为原料,可以获得尺寸精度优异的压制加工材料。 获得的压制材料也包括均匀的结构。 可以通过在双辊连续铸造材料中以≥25%的压下率轧制至少一次轧制,并且对于每个剩余轧道,以≥10%的压下率轧制获得板状Mg合金。 版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • Manufacturing method of magnesium alloy sheet
    • 镁合金板的制造方法
    • JP2012107274A
    • 2012-06-07
    • JP2010255565
    • 2010-11-16
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • INOUE RYUICHIIGUCHI KOJIOISHI YUKIHIROKAWABE NOZOMI
    • C22F1/06B21B3/00C22C23/00C22C23/02C22C23/04C22C23/06C22F1/00
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a magnesium alloy sheet having superior corrosion resistance.SOLUTION: The manufacturing method of the magnesium alloy sheet comprises the following steps: a casting step in which a cast material comprising a magnesium alloy containing an additive element is produced by continuous casting; a heat treatment step in which the cast material is held at 400°C or higher and then cooled at a cooling rate of 30°C/min or less to produce a heat-treated material; and a rolling step in which the heat-treated material is warm-rolled to produce a rolled sheet. Especially, in the heat treatment step, it is preferable to perform cooling at the cooling rate of 30°C/min or less in a range from 400 to 350°C and to perform cooling at the cooling rate of 10°C/min or less in a range from 350 to 250°C.
    • 要解决的问题:提供具有优异耐腐蚀性的镁合金板的制造方法。 解决方案:镁合金板的制造方法包括以下步骤:通过连续铸造制造包含含有添加元素的镁合金的铸造材料的铸造工序; 将铸造材料保持在400℃以上,然后以30℃/分钟以下的冷却速度冷却的热处理工序,制作热处理材料; 以及轧制步骤,其中热轧材料被热轧以制造轧制板材。 特别是,在热处理工序中,优选以400℃〜350℃的范围内以30℃/分钟以下的冷却速度进行冷却,以10℃/分钟的冷却速度进行冷却, 较少在350至250℃的范围内。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Magnesium alloy coiled material
    • 镁合金线圈材料
    • JP2012020300A
    • 2012-02-02
    • JP2010158445
    • 2010-07-13
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • INOUE RYUICHIOISHI YUKIHIROOKUDA NOBUYUKIKAWABE NOZOMI
    • B21B3/00B21C47/26B24B21/12B24B49/04B24B49/10C22C23/00C22C23/02C22C23/04C22C23/06
    • B21C47/26B24B21/12C22C23/00C22C23/02
    • PROBLEM TO BE SOLVED: To provide: a magnesium alloy coiled material which is formed by winding a long plate material composed of magnesium alloy, and whose thickness unevenness is small throughout the length thereof; a grinding method for the magnesium alloy coiled material; a grinding device for the magnesium alloy; and a magnesium alloy plate.SOLUTION: When the plate material (raw material plate 100) that is sent out from the magnesium alloy coiled material and runs is ground with a grinding belt 13, the thickness of the raw material plate 100 at a plurality of places in its width direction is measured with a thickness measuring device (forward sensor 31), and the gap between a contact roll 11 and a billy roll 12 is adjusted and then ground so that the size of the gap in the width direction is uneven. The grinding step enables the thickness unevenness of a grinding plate 1 in the width direction to be made within 40 μm throughout the length of the grinding plate 1 after grinding.
    • 解决的问题:提供:通过卷绕由镁合金构成的长板材而在整个长度上其厚度不均匀性小的镁合金盘绕材料; 镁合金盘绕材料的研磨方法; 用于镁合金的研磨装置; 和镁合金板。 解决方案:当从研磨带13研磨从镁合金盘绕材料送出的板材(原料板100)时,其原料板100的多个位置的厚度 使用厚度测量装置(正向传感器31)测量宽度方向,并且调整接触辊11和卷轴12之间的间隙,然后研磨,使得宽度方向上的间隙的尺寸不均匀。 研磨工序使研磨板1的宽度方向的厚度不匀度在磨削后的研磨板1的整个长度内成为40μm以内。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Magnesium alloy coiled material
    • 镁合金线圈材料
    • JP2012007232A
    • 2012-01-12
    • JP2010259733
    • 2010-11-22
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • KITAMURA TAKAHIKOINOUE RYUICHIMORI NOBUYUKIOISHI YUKIHIROMIZUNO OSAMUKAWABE NOZOMI
    • C22C23/02B21B1/22B21B3/00B21D1/00B21D1/05C22F1/00C22F1/06
    • C22F1/06B21B3/00B21B2015/0057C22C23/02Y10T428/1241
    • PROBLEM TO BE SOLVED: To provide a magnesium alloy coiled material having excellent flatness and a method for production thereof, and to provide a magnesium alloy member using the coiled material and a production method therefor.SOLUTION: There is provided a coiled material in which a plate-like material comprising a magnesium alloy is wound in a cylindrical form and the inner diameter thereof is 1,000 mm or less. When a warp test specimen 1 cut from the coiled material is mounted on a horizontal table 100, the ratio of a maximum distance h of a gap 110 between the specimen 1 and the table 100 in a vertical direction to the width w of the specimen 1 is 0.5% or less. The coiled material can be produced by applying rolling to the cast materials obtained by continuously casting the magnesium alloy, applying warm corrective working to the obtained rolled plates, and winding the obtained worked plates after the temperature immediately before the winding is made to be 100°C or lower when winding the worked plates in a cylindrical shape. By sufficiently lowering the temperature just before winding, the plate-like materials after winding hardly cause warp in a width direction even when the number of winding is high, and besides hardly have winding tendency and thus has excellent flatness even when the winding diameter is small.
    • 要解决的问题:提供一种具有优异的平坦度的镁合金盘绕材料及其制造方法,并提供使用该卷材的镁合金构件及其制造方法。 解决方案:提供一种盘绕材料,其中包括镁合金的板状材料以圆筒形式缠绕并且其内径为1,000mm或更小。 当从水平台100上安装从卷取材料切下的经纱试样1时,样品1和台100之间的间隙110在垂直方向上的最大距离h与样品1的宽度w的比 为0.5%以下。 卷材可以通过对连续铸造镁合金得到的铸造材料进行轧制,对获得的轧制板进行热修正加工,并且在卷取之前的温度为100°的条件下卷取得到的加工板, 将加工板卷绕成圆筒状时为C以下。 通过充分降低卷绕前的温度,卷绕后的板状材料即使在卷绕次数较多时也难以在宽度方向翘曲,并且除了几乎不具有卷绕倾向之外,即使卷绕直径小时也具有优异的平坦度 。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Method of manufacturing magnesium alloy sheet, and magnesium alloy sheet
    • 制造镁合金板和镁合金板的方法
    • JP2013233570A
    • 2013-11-21
    • JP2012107757
    • 2012-05-09
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • MORI NOBUYUKIOISHI YUKIHIROINOUE RYUICHIITO MASAHIKOSHIMADA SHIGEKIMISHIMA HIDEHIKO
    • B21B3/00B21B1/32B21B39/00B21B39/08B21C47/00B21C47/26
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing an Mg alloy sheet, capable of productively manufacturing an Mg alloy sheet with superior surface properties and formability.SOLUTION: A method of manufacturing an Mg alloy sheet is a method of manufacturing an Mg alloy sheet by reciprocating a material sheet made of Mg alloy and wound in a coil shape and applying rolling of plural passes to the material sheet. The method includes a feeding step of feeding a material sheet 1 wound in a coil shape, a rolling step of applying rolling to the fed-out material sheet by a rolling roll 3, and a winding step of winding the rolled material sheet 1 in a coil shape, and at least the rolling process is applied to the heated material sheet. After the winding process, the wound material sheet 1 is fed again to the rolling roll 3. At least one pass of the plural passes is carried out at high speed in which a running speed of the material sheet 1 is 40 m/min or more. The method includes a cooling step of cooling the material sheet 1 during the high speed running, and a temperature of the material sheet 1 throughout all the passes is lowered to 280°C or less by the cooling process.
    • 要解决的问题:提供一种能够有效地制造具有优异的表面性能和成形性的Mg合金板的Mg合金板的制造方法。解决方案:一种制造Mg合金板的方法是制造Mg合金板的方法 通过将由Mg合金制成的材料片往复运动并缠绕成线圈形状并将多次通过轧制到材料片上。 该方法包括:馈送卷绕成线圈状的材料片1的进给步骤,通过轧辊3对被送出的材料片进行轧制的轧制工序;以及卷绕工序,将轧制的材料片1卷绕在 线圈形状,并且至少将轧制过程应用于被加热的材料片材。 在卷绕过程之后,卷绕材料片材1再次供给到轧制辊3上。以高速度进行多次通过的至少一次通过,其中材料片材1的运行速度为40m / min以上 。 该方法包括在高速行驶期间冷却材料片1的冷却步骤,并且通过冷却过程将材料片1的整个通过温度降低到280℃以下。