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1. 发明专利

JP2012077318A Aluminum alloy rolled sheet for molding process having excellent ridging resistance and method for producing the same 有权
标题翻译：具有良好耐冲击性的成型工艺的铝合金轧制片及其制造方法
公开(公告)号：JP2012077318A
公开(公告)日：2012-04-19
申请号：JP2010220916
申请日：2010-09-30
申请人： Furukawa-Sky Aluminum Corp , Nippon Steel Corp , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： TAKEDA HIROTAKA , HIBINO AKIRA , TAKADA TAKESHI
IPC分类号： C22C21/02 , B21B1/22 , B21B3/00 , C22C21/06 , C22F1/00 , C22F1/05
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy sheet for molding process, which securely and stably has excellent ridging resistance in particular as the stock for an automotive body sheet or the like, and to provide a method for producing the aluminum alloy sheet.SOLUTION: The aluminum alloy sheet is made of an Al-Mg-Si based or Al-Mg-Si-Cu based alloy. Among the three faces of the sheet surface orthogonal to a sheet thickness direction, the face orthogonal to a sheet thickness direction and also at a depth of 1/4 of the sheet thickness from the sheet surface and the face orthogonal to a sheet thickness direction and also at a depth of 1/2 of the sheet thickness from the sheet surface, regarding at least one or more faces, a difference, between the maximum value and the minimum value of the average Taylor factor when molding process in each divided region in the same face obtained by dividing an optional region taken by 10 mm to a rolling width direction and by 2 mm to a rolling direction into 10 equal parts to a rolling width direction is regarded as plane strain deformation with a rolling width direction as the main strain direction, is ≤1.0 by absolute value.
摘要翻译：要解决的问题：提供一种用于模制工艺的铝合金板，其特别是作为用于汽车车身板材等的坯料而可靠且稳定地具有优异的耐皱纹性，并且提供一种用于生产铝合金的方法片。解决方案：铝合金板由Al-Mg-Si基或Al-Mg-Si-Cu基合金制成。在与片材厚度方向正交的片材表面的三个面中，与片材厚度方向正交的面以及从片材表面和与片材厚度方向正交的面的片材厚度的1/4的深度，关于片材表面的片材厚度的1/2的深度，关于在每个分割区域中的模制过程中的平均泰勒因子的最大值和最小值之间的至少一个或多个面的差异将通过将10mm的轧制宽度方向的可选区域和轧制方向2mm的轧制方向分割成与轧制宽度方向相等的10倍而获得的相同的面被认为是以轧制宽度方向为主应变方向的平面应变变形，绝对值≤1.0。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2012036421A Method for forming aluminum alloy sheet 审中-公开
标题翻译：形成铝合金板的方法
公开(公告)号：JP2012036421A
公开(公告)日：2012-02-23
申请号：JP2010174904
申请日：2010-08-03
申请人： Furukawa-Sky Aluminum Corp , Nippon Steel Corp , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： YASUDA SHINYA , HIBINO AKIRA , ICHITANI KOJI , SAGA MAKOTO
IPC分类号： C22F1/047 , C22C21/02 , C22C21/06 , C22F1/00 , C22F1/04
摘要： PROBLEM TO BE SOLVED: To provide a technology of forming process of an aluminum alloy sheet, which controls the generation of a ridging mark after the forming process.SOLUTION: In a method for forming an aluminum alloy sheet, the angle formed between the rolling direction of the aluminum alloy sheet and the greatest forming direction in the forming process is controlled within ±30°, and the aluminum alloy sheet is then set in a metallic mold to operate the forming process.
摘要翻译：要解决的问题：提供一种铝合金板的成形工艺技术，该铝合金板在成形工艺之后控制生成凸纹。解决方案：在形成铝合金板的方法中，将铝合金板的轧制方向与成形工艺中的最大成形方向之间形成的角度控制在±30°内，然后将铝合金板设置在金属模具中以操作成型工艺。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012020326A Porthole extruded material for hot bulge forming and method for manufacturing the same 有权
标题翻译：用于热膨胀成形的多孔挤压材料及其制造方法
公开(公告)号：JP2012020326A
公开(公告)日：2012-02-02
申请号：JP2010161482
申请日：2010-07-16
申请人： Furukawa-Sky Aluminum Corp , Nippon Steel Corp , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： ATSUTA KEN , WAKAKURI SATOSHI , ICHITANI KOJI , HIBINO AKIRA , SAGA MAKOTO , TAKADA TAKESHI
IPC分类号： B21C23/00 , B21C25/02 , B21D26/053
摘要： PROBLEM TO BE SOLVED: To provide a hollow extruded material of an Al-Mg-Si-based aluminum alloy capable of increasing strength in the vicinity of a welded part and increasing an expansion rate, and capable of achieving a workpiece with an even plate thickness distribution by preventing a constriction when the hollow extruded material of the Al-Mg-Si-based aluminum alloy is subjected to hot bulging.SOLUTION: When a square area with a side length of 500 μm including 40 or more crystal grains is selected from an area demarcated by a range of 2 mm on both sides with a welding line as its middle in a direction vertical to the welding line on a surface vertical to a direction of extruding the porthole hollow extruded material of Al-Mg-Si-based aluminum alloy, and t/10 to 9t/10 of plate thickness t of the hollow extruded material from a surface of the hollow extruded material in a direction parallel to the welding line, the minimum value of an area ratio of the crystal grains in a Cube orientation is set to be 10-50%, and the difference of the maximum value and the minimum value of the area ratio of the crystal grains in the Cube orientation is set to be 60% or less.
摘要翻译：要解决的问题：为了提供能够提高焊接部附近的强度并提高膨胀率的Al-Mg-Si系铝合金的中空挤压材料，并且能够实现具有当Al-Mg-Si系铝合金的中空挤出材料受到热膨胀时，通过防止收缩而使板厚分布均匀。解决方案：当从两侧的2mm范围内选择边长为500μm的包括40个或更多个晶粒的正方形区域时，以垂直于在垂直于挤出Al-Mg-Si系铝合金的孔眼中空挤出材料的方向的表面上的中空挤出材料的t / 10〜9t / 10的中空挤出材料的板厚t的t / 10〜9t / 10 挤压材料在平行于焊接线的方向上，将立方体取向上的晶粒的面积比的最小值设定为10〜50％，将面积比的最大值与最小值的差的立方体取向的晶粒设定为60％以下。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012152780A Molding working method for aluminum alloy plate 审中-公开
标题翻译：铝合金板的成型工艺方法
公开(公告)号：JP2012152780A
公开(公告)日：2012-08-16
申请号：JP2011013494
申请日：2011-01-25
申请人： Furukawa-Sky Aluminum Corp , Nippon Steel Corp , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： ICHITANI KOJI , HIBINO AKIRA , SAGA MAKOTO
IPC分类号： B21D19/08 , B21D22/20 , C22C21/02 , C22C21/06 , C22F1/00 , C22F1/05
摘要： PROBLEM TO BE SOLVED: To provide a molding working method capable of effectively recovering hem workability and having high production efficiency about an Al-Mg-Si based aluminum alloy material that is age-hardened at a normal temperature.SOLUTION: Restoration processing is performed where the whole or a part of an area that is hem-worked in the Al-Mg-Si based aluminum alloy plate that is age-hardened at a normal temperature is selectively heated to a temperature of ≥160°C and ≤350°C and is kept for 5 min or shorter, and then cooled to room temperature. Thereafter, cold press molding is carried out to the aluminum alloy plate and hem working is applied to it.
摘要翻译：要解决的问题：提供一种能够有效地回收卷绕加工性并且对于在常温下老化的Al-Mg-Si系铝合金材料具有高生产效率的成型加工方法。解决方案：进行恢复处理，其中将在常温下老化硬化的Al-Mg-Si基铝合金板中的冲压加工区域的全部或一部分选择性地加热到 ≥160℃和≤350℃，保持5分钟以下，然后冷却至室温。此后，对铝合金板进行冷压成型，并对其进行下摆加工。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2009256722A Aluminum alloy sheet for forming, and its manufacturing method 有权
标题翻译：用于成型的铝合金板及其制造方法
公开(公告)号：JP2009256722A
公开(公告)日：2009-11-05
申请号：JP2008106617
申请日：2008-04-16
申请人： Furukawa-Sky Aluminum Corp , Nippon Steel Corp , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： HIBINO AKIRA
IPC分类号： C22C21/02 , C22C21/06 , C22F1/00 , C22F1/05
摘要： PROBLEM TO BE SOLVED: To provide an Al alloy sheet which is satisfactory in the balance of press formability and bendability, is excellent in roughening resistance and ridging resistance, is further capable of imparting satisfactory baking haredenbility, and high press formability to the Al alloy sheet, and is small in room temperature secular change. SOLUTION: The Al alloy sheet for forming is composed of an alloy material of an Al-Mg-Si series or an Al-Mg-Si-Cu series as a raw material, Defining a cube orientation density as C and ND rotation as N, C COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供在压制成型性和弯曲性的平衡方面令人满意的Al合金板，耐腐蚀性和抗起皱性优异，能够赋予令人满意的烘烤性，并且对于铝合金板材，室温长期变化小。解决方案：用于形成的Al合金板由以Al-Mg-Si系列或Al-Mg-Si-Cu系列为原料的合金材料构成，将立方取向密度定义为C和ND旋转作为N，C <15，N <15，1/20

6. 发明专利

JP2012153937A Method for forming aluminum alloy sheet 审中-公开
标题翻译：形成铝合金板的方法
公开(公告)号：JP2012153937A
公开(公告)日：2012-08-16
申请号：JP2011013493
申请日：2011-01-25
申请人： Furukawa-Sky Aluminum Corp , Nippon Steel Corp , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： ICHITANI KOJI , HIBINO AKIRA , SAGA MAKOTO
IPC分类号： C22F1/05 , B21D19/08 , B21D22/20 , C22C21/02 , C22C21/06 , C22F1/00
摘要： PROBLEM TO BE SOLVED: To provide a forming method of high production efficiency, recovering hem workability effectively, as to an Al-Mg-Si aluminum alloy material age-hardened at an ambient temperature.SOLUTION: An Al-Mg-Si aluminum alloy sheet age-hardened at the ambient temperature is restoration-treated, over the whole face thereof, to cool to a room temperature after heated up to 160°C or higher to 350°C or lower, to be held for 5 min or less. The Al-Mg-Si aluminum alloy sheet is subjected thereafter to cold press forming, to be followed by the hem work.
摘要翻译：要解决的问题：为了提供高生产效率的成形方法，对于在环境温度下老化硬化的Al-Mg-Si铝合金材料，有效地回收折边加工性。解决方案：在环境温度下老化硬化的Al-Mg-Si铝合金板在整个面上进行复原处理，在加热至160℃以上至350℃后冷却至室温 C以下，保持5分钟以下。然后对Al-Mg-Si铝合金板进行冷压成型，然后进行下摆加工。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2009041045A Aluminum alloy sheet having superior paint-baking hardenability and manufacturing method therefor 审中-公开
标题翻译：具有高级涂料的铝合金板及其制造方法及其制造方法
公开(公告)号：JP2009041045A
公开(公告)日：2009-02-26
申请号：JP2007204536
申请日：2007-08-06
申请人： Furukawa Sky Kk , Nippon Steel Corp , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： TAKADA TAKESHI , HIBINO AKIRA
IPC分类号： C22C21/02 , C22C21/06 , C22F1/00 , C22F1/05
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy having superior paint-baking hardenability and to provide a manufacturing method therefor.
SOLUTION: The aluminum alloy sheet includes: by mass%, 0.3 to 2.0% Mg and 0.5 to 2.0% Si, while satisfying Mg/Si≤1.2; and acicular precipitates of 100 to 1,000/μm
2 by number density when the sheet is observed after having been subjected to the ageing treatment of holding the sheet at 170°C for six hours. The acicular precipitates preferably have a length of 0.10 μm or longer. The manufacturing method includes the steps of: solution-heat-treating a cold-rolled sheet by holding it at 500 to 600°C for five minutes or shorter; cooling it to 180°C or lower at a cooling rate of 50°C/s or more; and preliminarily heat-treating the sheet by holding it at a heating temperature T[°C] in such a range as to satisfy -7t+160≤T≤-3t+186 in between 90 and 180°C, for a holding period of time t [hour] in a range between 1 and 15 hours.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的油漆烘烤淬透性的铝合金并提供其制造方法。解决方案：铝合金板包括质量％：0.3〜2.0％的Mg和0.5〜2.0％的Si，同时满足Mg /Si≤1.2; 并且在经过将片材在170℃下保持6小时的时效处理后观察到片材时，数量密度为100〜1,000 /μm 2 的针状沉淀物。针状析出物的长度优选为0.10μm以上。制造方法包括以下步骤：将冷轧板在500〜600℃保持5分钟以下，进行热处理; 以50℃/ s以上的冷却速度将其冷却至180℃以下; 并且在90〜180℃之间以满足-7t +160≤T≤-3t + 186的范围内，以加热温度T [℃]保持该片材，进行预热处理，保持时间为时间t [小时]在1到15小时之间的范围内。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2004211177A Aluminum alloy sheet superior in formability, paint baking hardenability and shape, and manufacturing method therefor 审中-公开
公开(公告)号：JP2004211177A
公开(公告)日：2004-07-29
申请号：JP2003001175
申请日：2003-01-07
申请人： Furukawa Sky Kk , Nippon Steel Corp , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： SAGA MAKOTO , SATO YUICHI , MURAMATSU TOSHIKI , HIBINO AKIRA , NOGUCHI OSAMU
IPC分类号： C22F1/05 , C22C21/02 , C22C21/06 , C22F1/00
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy sheet superior in formability, paint baking hardenability and shape, and to provide a manufacturing method therefor.
SOLUTION: The aluminum alloy sheet superior in formability, paint baking hardenability and shape has a composition comprising, by mass%, 0.2-1.5% Mg, 0.4-1.8% Si, further one or more elements among Cu, Mn, Cr and Fe, and the balance Al with unavoidable impurities; contains grain boundary precipitates so as to share 30% or less; and has a flatness of 2% or less. The aluminum alloy sheet may contain one or more elements among V, Zr, Ti and B, as needed. The manufacturing method comprises melting, casting, hot-rolling and cold-rolling an aluminum alloy having the above composition, heating the resultant sheet to 500 to 570°C, holding it at the temperature for 0 to 300 seconds, then primarily cooling it to a temperature in a range of 480 to 400°C at a cooling rate of 1°C/s to 30°C/s, and then secondarily cooling it to 300°C or lower at a cooling rate of higher than 30°C/s but 300°C/s or lower.
COPYRIGHT: (C)2004,JPO&NCIPI

9. 发明专利

JP2004027253A Aluminum alloy sheet for molding, and method of producing the same 审中-公开
公开(公告)号：JP2004027253A
公开(公告)日：2004-01-29
申请号：JP2002181732
申请日：2002-06-21
申请人： Furukawa Sky Kk , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： AONO MASAMICHI , HIBINO AKIRA , MURAMATSU TOSHIKI , SAGA MAKOTO , TAKADA TAKESHI , SATO YUICHI
IPC分类号： C22F1/04 , C22C21/02 , C22C21/06 , C22F1/00
摘要： PROBLEM TO BE SOLVED: To provide an Al alloy sheet for molding which has satisfactory hem bendability and high baking hardenability.
SOLUTION: The Al alloy sheet comprises 0.4-0.7% Mg and 0.8-1.2% Si, one or more of metals selected from 0.03-0.4% Mn, 0.01-0.4% Cr, 0.01-0.4% Zr, 0.01-0.4% V, 0.03-0.5% Fe, 0.005-0.2% Ti and 0.03-2.5% Zn, in which the content of Cu is controlled to ≤0.1%, and the balance substantially Al. In a region of 1/4 of the sheet thickness from the surface, cube orientation density is more than two fold of gross orientation density, and is four fold of that of a random sample. The Al alloy sheet has an electric conductivity of ≤54%IACS, and a mean crystal grain size of ≥4.5 in an ASTM number. Hot rolling is started at ≥370°C so as to obtain a sheet thickness of 1.0-8.0 mm and a finishing temperature of 180-350°C. Further, cooling is performed from the temperature range in the finishing of the hot rolling to ≤100°C at ≤100°C/min. Also, after cold rolling at a rolling ratio of ≥30%, solution treatment is performed under holding at ≥480°C for ≤5 min or without the holding, and cooling is performed to 50 to

10. 发明专利

JP2005171295A Aluminum alloy sheet to be formed and manufacturing method therefor 有权
标题翻译：要形成的铝合金板及其制造方法
公开(公告)号：JP2005171295A
公开(公告)日：2005-06-30
申请号：JP2003410480
申请日：2003-12-09
申请人： Furukawa Sky Kk , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 古河スカイ株式会社 , 新日本製鐵株式会社
发明人： HIBINO AKIRA , KOMATSUBARA TOSHIO , AONO MASAMICHI , TAKADA TAKESHI
IPC分类号： C22F1/043 , C22C21/02 , C22F1/00 , C22F1/05
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy sheet to be formed which has a superior balance between hem bending formability and press formability, has little bending anisotropy and a low Δr value that indicates in-plane anisotropy, and to provide a manufacturing method therefor.
SOLUTION: The Al alloy sheet comprises an Al-Mg-Si-based alloy; when defining cube orientation densities at positions respectively on the surface of the sheet, and 1/4 and 1/2 deep from the surface in a sheet thickness direction, as C
0 , C
1/4 and C
1/2 , has such cube orientation densities as to satisfy each of C
0 1/4 >C
1/2 and 20 0 +C
1/4 +C
1/2 )/3} 0 , n
45 and n
90 , has such work hardening coefficients as to satisfy each expression of n
0 45 >n
90 and 0 45 -(n
0 +n
90 )/2
摘要翻译：要解决的问题为了提供一种在下摆弯曲成形性和冲压成形性之间具有优异平衡的待形成的铝合金板，具有很小的弯曲各向异性和低Δr值，其表示面内各向异性，并且提供一种制造方法。解决方案：Al合金板包括Al-Mg-Si基合金; 当分别在片材表面上的位置定义立方体取向密度，并且在片材厚度方向上距表面1/4和1/2深时，作为C 0 ，C 1 / 4＆lt; SB＆gt;和C＆lt; SB＆gt; 1/2＆lt; / SB＆gt;具有满足C 1 C 1/2 和20 <ä（C 0 + C 1/4 + C 1/2 ） / 3} <200; 在0度和90度的耳鸣率为5％或更高; 在相对于轧制方向在0度，45度和90度的相应方向上确定加工硬化系数（n值）时，作为n 0 ，n 45 具有满足n 0 n 90 的每个表达式的加工硬化系数和 0 45 - （N 0 + N 90 ）/ 2 <0.40; Δr值小于1.2; 并且根据ASTM进一步具有4.0以上的粒径数。制造方法严格规定了均质化处理条件和其中所含的热轧条件。版权所有（C）2005，JPO＆NCIPI

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