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    • 2. 发明专利
    • Aluminum alloy sheet for molding process
    • 用于成型工艺的铝合金板
    • JP2014084492A
    • 2014-05-12
    • JP2012233716
    • 2012-10-23
    • Kobe Steel Ltd株式会社神戸製鋼所
    • ARIGA YASUHIROMATSUMOTO KATSUSHI
    • C22C21/06C22F1/00C22F1/047
    • C22C21/08C22C21/06C22F1/00C22F1/047
    • PROBLEM TO BE SOLVED: To provide an Al-Mg-based alloy sheet for molding process under more precise and simple structural indexes, which hardly generates SS marks and is superior in press moldability without causing a new problem such as deterioration in bendability due to age hardening at room temperature.SOLUTION: As structural indexes of an Al-Mg-based aluminum alloy sheet with specific composition containing Cu, an average grain diameter and a volume ratio are controlled in a specific range in grain size distribution of fine grains (clusters) measured by an X-ray small angle scattering method to make a sheet structure hardly generate serration and thereby suppress the generation of SS marks during a press molding process.
    • 要解决的问题:为了在更精确和简单的结构指标下提供成型工艺的Al-Mg基合金板,几乎不产生SS标记,并且在压模成型性方面优异,而不会引起诸如由于年龄的弯曲性劣化等新问题 在室温下硬化。作为具有Cu含量的特定成分的Al-Mg系铝合金板的结构指标,将平均粒径和体积比控制在细晶粒(簇)的粒度分布的特定范围内, 通过X射线小角度散射法测量,使得片状结构几乎不产生锯齿状,从而抑制在压制成型过程中产生SS标记。
    • 3. 发明专利
    • Aluminum alloy sheet for automotive member
    • 汽车用铝合金板
    • JP2014062285A
    • 2014-04-10
    • JP2012207190
    • 2012-09-20
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MATSUMOTO KATSUSHIARIGA YASUHIRO
    • C22C21/10C22C21/06C22F1/00C22F1/047C22F1/053
    • PROBLEM TO BE SOLVED: To provide a 7000 system aluminum alloy sheet for automotive members having both of strength and stress corrosion crack resistance.SOLUTION: A specified aggregate structure formed by controlling a cold rolling rate and a solution heat treatment condition of an Al-Zn-Mg based aluminum alloy sheet manufactured by a conventional method and having a specified composition can have a small average crystal grain size, a total area ratio equal to or more than a certain value in a specified direction, such as a Brass direction, S direction and Cu direction, and also has high intensity, high ductility and SCC resistance required in an automotive member, such as an automotive structural member.
    • 要解决的问题:提供一种用于具有强度和应力腐蚀开裂性的汽车部件的7000系铝合金板。解决方案:通过控制Al-Zn的冷轧速率和固溶热处理条件形成的规定的骨架结构 通过常规方法制造并具有特定组成的基于Mg的铝合金板可以具有小的平均晶粒尺寸,总面积比等于或大于在指定方向上的一定值,例如黄铜方向,S方向 和Cu方向,并且还具有汽车构件如汽车结构构件所要求的高强度,高延展性和SCC电阻。
    • 6. 发明专利
    • Aluminum alloy sheet excellent in baking finish hardenability
    • 铝合金板在烘烤整理的可行性方面表现出色
    • JP2013185218A
    • 2013-09-19
    • JP2012051821
    • 2012-03-08
    • Kobe Steel Ltd株式会社神戸製鋼所
    • SHISHIDO HISAOMATSUMOTO KATSUSHIARIGA YASUHIRO
    • C22C21/02C22C21/06C22F1/00C22F1/05
    • PROBLEM TO BE SOLVED: To provide a 6000 series aluminum alloy sheet which simultaneously has BH property after long-term room temperature aging and formability after the long-term room temperature aging.SOLUTION: In a specific 6000 series aluminum alloy sheet, at least a certain number density of a specific cluster having high effect on BH property as measured by a three-dimensional atom probe electric field ion microscope is included. Also, by regulating the size of an aggregate of atoms satisfying these conditions, a mean radius of equivalent circle diameter is set within a certain range, and also standard deviation of the radius of the equivalent circle diameter is reduced, thereby improving the BH property after long-term room temperature aging.
    • 要解决的问题:提供一种6000系列铝合金板材,其长期室温老化和长时间室温老化后的成型性同时具有BH性能。解决方案:在特定的6000系列铝合金板材中,至少一 包括通过三维原子探针电场离子显微镜测量的对BH性质具有高影响的特定簇的一定数量密度。 此外,通过调节满足这些条件的原子聚集体的尺寸,将当量圆直径的平均半径设定在一定范围内,并且等效圆直径的半径的标准偏差也降低,从而提高了BH特性 长期室温老化。
    • 7. 发明专利
    • Aluminum alloy sheet superior in hardenability in baking coating
    • 铝合金板材在烘烤涂料中的不可替代性
    • JP2013060627A
    • 2013-04-04
    • JP2011199769
    • 2011-09-13
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MATSUMOTO KATSUSHIARIGA YASUHIROSHISHIDO HISAO
    • C22C21/02C22C21/06C22F1/00C22F1/05
    • PROBLEM TO BE SOLVED: To provide a 6000 series aluminum alloy sheet that has both BH (bake hardenability) under a condition of a low temperature for a short time after the aging under a room temperature for a long period and a shaping property after the aging under a room temperature for a long period.SOLUTION: The 6000 series aluminum alloy sheet contains a certain cluster that is highly effective on BH measured by a three-dimensional atom probe field-ion microscope, by a certain number density or more, wherein the number of relatively small clusters in the clusters is regulated so as to increase a ratio of relatively large clusters in the clusters, thereby further increasing the BH under the condition of a low temperature for a short time after the aging under a room temperature for a long period.
    • 待解决的问题:提供一种在室温下长时间老化后短时间内具有BH(烘烤硬化性)的BH(烘烤硬化性)的6000系铝合金板,成型性 经过老化后的室温下长时间。 解决方案:6000系列铝合金板含有一定的簇,通过三维原子探针场离子显微镜测定的BH具有一定的数密度或更高的高度有效性,其中相对较小的簇的数目 调节簇以便增加簇中相对较大的簇的比例,从而在室温下长时间老化后的低温条件下进一步增加BH。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Aluminum-alloy sheet excellent in formability for extension flange, and method of manufacturing the same
    • 用于扩展法兰的优异的铝合金板及其制造方法
    • JP2010285635A
    • 2010-12-24
    • JP2009138420
    • 2009-06-09
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MATSUMOTO KATSUSHIMORISHITA MAKOTOTOKUDA KENJI
    • C22C21/06B22D11/00B22D11/049C22F1/00C22F1/047
    • PROBLEM TO BE SOLVED: To provide a high-Mg Al-Mg based alloy sheet excellent in formability for extension flange. SOLUTION: In the high-Mg Al-Mg based alloy containing ≥6.0% Mg, a precipitated Mg content to the total Mg content of this sheet is made comparatively larger, and as a crystal granular structure of this sheet, the average thickness (t) of the grain-boundary precipitation and the average diameter (d) in a short axial direction of the precipitation in the grain observed by a TEM (Transmission Electron Microscope) under the specific measurement condition that a sample to be observed is inclined, are controlled within a specific range by performing a slow cooling or the like after applying a soaking heat-treatment, thereby improving the formability for extension flange to a level capable of being subjected to a cold rolling. COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:提供一种在延伸法兰的成形性方面优异的高Mg Al-Mg基合金薄片。 解决方案:在含有≥6.0%Mg的高Mg Al-Mg基合金中,与该片材的总Mg含量相比,析出的Mg含量相对较大,作为该片材的结晶粒状结构, 在观察样品倾斜的特定测量条件下,通过TEM(透射电子显微镜)观察到的晶粒在晶粒沉淀的短轴方向上的平均直径(d)的平均直径(d) 通过在进行均热处理之后进行缓慢冷却等来控制在特定范围内,从而将延伸法兰的成型性提高到能够进行冷轧的水平。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Aluminum alloy sheet with excellent formability
    • 具有优异可塑性的铝合金板
    • JP2010248607A
    • 2010-11-04
    • JP2009184866
    • 2009-08-07
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MATSUMOTO KATSUSHI
    • C22C21/06C22C21/10C22F1/00C22F1/047C22F1/053
    • PROBLEM TO BE SOLVED: To provide an Al-Mg based alloy sheet which has reduced generation of stretcher strain marks and has excellent formability. SOLUTION: Generation of the stretcher strain marks in press molding under severe forming conditions is suppressed by devising temper treatment after the final annealing when the Al-Mg based aluminum alloy sheet consisting of a specific composition containing Mg, Zn is manufactured and making a position of a first proximity peak obtained by analyzing EELS spectrums on a K loss end of Mg to be measured by electronic energy loss spectroscopy of the sheet be within a specific range. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种具有降低的拉伸应变标记的产生并且具有优异的成形性的Al-Mg基合金片。 解决方案:通过在由含有Mg,Zn的特定组成的Al-Mg基铝合金板制造并制造后的最终退火时通过设计回火处理来抑制在严格成型条件下在压制成型中产生拉伸应变痕迹 通过在片材的电子能量损失光谱法测定的Mg的K损失端上分析EELS光谱获得的第一接近峰的位置在特定范围内。 版权所有(C)2011,JPO&INPIT