公开(公告)号：US08691031B2

公开(公告)日：2014-04-08

申请号：US13489709

申请日：2012-06-06

申请人： Pizhi Zhao ,  Toshiya Anami ,  Ichiro Okamoto ,  Hitoshi Kazama ,  Kunihiro Yasunaga ,  Noboru Hayashi ,  Kevin Gatenby ,  Simon Barker ,  Edward Luce

发明人： Pizhi Zhao ,  Toshiya Anami ,  Ichiro Okamoto ,  Hitoshi Kazama ,  Kunihiro Yasunaga ,  Noboru Hayashi ,  Kevin Gatenby ,  Simon Barker ,  Edward Luce

IPC分类号： C22F1/043 ,  C22F1/047

CPC分类号： C22F1/05 ,  C22C21/02 ,  C22C21/06 ,  C22C21/08

摘要： An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, a remainder being Al; winding the slab into a coil; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment in such a manner that the sheet is heated to a temperature of 530° C. to 560° C. at a heating rate of 10° C./sec or more and then maintained at the temperature for five seconds or more; quenching the sheet with water; coiling up the sheet; maintaining the sheet at a temperature of 60° C. to 110° C. for 3 to 12 hours; and then cooling the sheet to room temperature.

摘要翻译： 通过使用含有0.40-0.65％的Mg，0.50％至0.75％的Si，0.05％的Mg的熔融合金，通过连续铸造法，通过连续铸造机制备厚度为5至15mm的板坯来制造铝合金板， 至0.20％的Cr和0.10％至0.40％的Fe，余量为Al; 将板坯卷绕成线圈; 将板坯冷轧成片材; 以片材以10℃/秒或更高的加热速率将片材加热至530℃至560℃的温度，然后将其保持在5℃的温度下对片材进行固溶热处理 秒或以上; 用水淬火; 卷起片材; 将片材保持在60℃至110℃的温度下3至12小时; 然后将该片冷却至室温。

公开(公告)号：US08016958B2

公开(公告)日：2011-09-13

申请号：US12374103

申请日：2007-05-25

申请人： Pizhi Zhao ,  Toshiya Anami ,  Takayuki Kobayashi ,  Kiyomi Tsuchiya

发明人： Pizhi Zhao ,  Toshiya Anami ,  Takayuki Kobayashi ,  Kiyomi Tsuchiya

IPC分类号： C22F1/047 ,  C22C21/06

CPC分类号： C22C21/06 ,  B21B1/22 ,  B21B3/00 ,  B22D11/003 ,  B22D11/0605 ,  C22C21/08 ,  C22F1/00 ,  C22F1/047 ,  Y10T428/12993

摘要： High strength aluminum alloy sheet having superior surface roughening and formability suitable for home electrical appliances and automobile outer panels and other structural materials and a method of production of the same are provided. High strength aluminum alloy sheet having a chemical composition containing Mg: 2.0 to 3.3 mass %, Mn: 0.1 to 0.5 mass %, and Fe: 0.2 to 1.0 mass %, having a balance of unavoidable impurities and Al, and having an Si among the unavoidable impurities of less than 0.20 mass % and having an average circle equivalent diameter of intermetallic compounds of 1 μm or less, having an area ratio of intermetallic compounds of 1.2% or more, having an average diameter of recrystallized grains of 10 μm or less, and having a tensile strength of 220 MPa or more. This is obtained by pouring an aluminum alloy melt having the above chemical composition in a twin belt caster, continuously casting a thin slab of a thickness of 6 to 15 mm at a cooling rate at a position of ¼ the slab thickness of 50 to 200° C./sec and winding it up into a coil, then cold rolling it at a cold reduction of 60 to 98%, final annealing it by a continuous annealing furnace at a heating rate of 100° C./min or more, at a holding temperature of 400 to 520° C. for a holding time of within 5 minutes.

摘要翻译： 提供了具有优异的表面粗糙度和适用于家用电器和汽车外壳等结构材料的成形性的高强度铝合金板及其制造方法。 具有Mg：2.0〜3.3质量％，Mn：0.1〜0.5质量％，Fe：0.2〜1.0质量％的化学组成的高强度铝合金板，其余量为不可避免的杂质和Al，并且在 金属间化合物的平均圆当量直径为1μm以下，不可避免的杂质小于0.20质量％，金属间化合物的面积比为1.2％以上，平均粒径为10μm以下， 拉伸强度为220MPa以上。 这是通过将具有上述化学组成的铝合金熔体浇注在双辊连铸机中，连续铸造厚度为6至15mm的薄板坯，其厚度为板坯厚度为50至200°的冷却速度 然后将其卷绕成线圈，然后以60％〜98％的冷压下冷轧，最后用连续退火炉以100℃/分钟以上的加热速率退火， 保持温度为400〜520℃，保持时间在5分钟以内。

公开(公告)号：US20090007994A1

公开(公告)日：2009-01-08

申请号：US11572832

申请日：2004-07-30

申请人： Pizhi Zhao ,  Toshiya Anami ,  Ichiro Okamoto ,  Hitoshi Kazama ,  Kunihiro Yasunaga ,  Noboru Hayashi ,  Kevin Gatenby ,  Mark Gallerneault ,  Simon Barker

发明人： Pizhi Zhao ,  Toshiya Anami ,  Ichiro Okamoto ,  Hitoshi Kazama ,  Kunihiro Yasunaga ,  Noboru Hayashi ,  Kevin Gatenby ,  Mark Gallerneault ,  Simon Barker

IPC分类号： C22F1/047 ,  C22C21/08

CPC分类号： C22C1/06 ,  B22D11/003 ,  B22D11/0605 ,  C22C21/06 ,  C22F1/047

摘要： An aluminum alloy sheet having excellent press formability and stress corrosion cracking resistance, comprises 3.3 to 3.6 percent by weight of Mg and 0.1 to 0.2 percent by weight of Mn, furthermore, 0.05 to 0.3 percent by weight of Fe and 0.05 to 0.15 percent by weight of Si, and the remainder comprises Al and incidental impurities, wherein the sizes of intermetallic compounds is 5 μm or less, the recrystallized grain size is 15 μm or less in the region at a depth of 10 to 30 μm below the sheet surface, and the surface roughness is Ra 0.2 to 0.7 μm.

摘要翻译： 具有优异的压制成形性和耐应力腐蚀开裂性的铝合金板包含3.3〜3.6重量％的Mg和0.1〜0.2重量％的Mn，进而，含有0.05〜0.3重量％的Fe和0.05〜0.15重量％ 的Si，其余为Al和杂质，其中金属间化合物的尺寸为5μm以下，在片材表面下方的10〜30μm深度的区域的再结晶粒径为15μm以下， 表面粗糙度为Ra 0.2〜0.7μm。

公开(公告)号：US20140166162A1

公开(公告)日：2014-06-19

申请号：US14234770

申请日：2012-07-10

申请人： Tomoyuki Hirayama ,  Pizhi Zhao ,  Takeshi Handa ,  Toshiya Anami ,  Yusuke Nagaishi ,  Koji Itakura ,  Hirokazu Miyagawa ,  Tsutomu Hattori ,  Shigenori Yoshizawa ,  Akio Yoshizawa

发明人： Tomoyuki Hirayama ,  Pizhi Zhao ,  Takeshi Handa ,  Toshiya Anami ,  Yusuke Nagaishi ,  Koji Itakura ,  Hirokazu Miyagawa ,  Tsutomu Hattori ,  Shigenori Yoshizawa ,  Akio Yoshizawa

IPC分类号： C22F1/047 ,  C22C21/08

CPC分类号： C22C21/08 ,  B21B2003/001 ,  B22D11/003 ,  C22C21/06 ,  C22F1/00 ,  C22F1/047

摘要： An aluminum alloy sheet includes an aluminum alloy substrate having a composition containing, by mass percentage, 3.0 to 4.0% of magnesium, 0.2 to 0.4% of manganese, 0.1 to 0.5% of iron, not less than 0.03% but less than 0.10% of copper, and less than 0.20% of silicon, with the remainder being aluminum and unavoidable impurities. A peak concentration of a copper concentration distribution in a thickness direction in a region at a depth of 15 nm to 200 nm from the surface of the aluminum alloy substrate is equal to or more than 0.15%, and the aluminum alloy substrate has a recrystallized structure with an average grain size of 15 μm or less.

摘要翻译： 铝合金板包括铝合金基板，该铝合金基板具有以质量％计含有3.0〜4.0％的镁，0.2〜0.4％的锰，0.1〜0.5％的铁，0.03％以上且0.10％以下的铁 铜和小于0.20％的硅，其余为铝和不可避免的杂质。 在从铝合金基板的表面开始的深度为15nm〜200nm的区域中，厚度方向的铜浓度分布的峰值浓度为0.15％以上，铝合金基板具有再结晶结构 平均粒径为15μm以下。

公开(公告)号：US20130307383A1

公开(公告)日：2013-11-21

申请号：US13982108

申请日：2011-01-27

申请人： Satoru Suzuki ,  Atsushi Kishimoto ,  Pizhi Zhao ,  Kazuhiro Oda ,  Tomohiro Isobe

发明人： Satoru Suzuki ,  Atsushi Kishimoto ,  Pizhi Zhao ,  Kazuhiro Oda ,  Tomohiro Isobe

IPC分类号： C22C21/04 ,  H05K5/04 ,  B22D25/06 ,  C22C21/02 ,  C22F1/043

CPC分类号： C22C21/04 ,  B22D25/06 ,  C22C21/02 ,  C22F1/043 ,  H02K5/02 ,  H02K5/06 ,  H05K5/04

摘要： An aluminum alloy casting having high electric resistance, high toughness and high corrosion resistance and optimally usable in manufacturing of electric motor housings, and a method of manufacturing said aluminum alloy casting are provided. The aluminum alloy casting has a composition including Si: 11.0-13.0 mass %, Fe: 0.2-1.0 mass %, Mn: 0.2-2.2 mass %, Mg: 0.7-1.3 mass %, Cr: 0.5-1.3 mass % and Ti: 0.1-0.5 mass %, with the balance consisting of Al and unavoidable impurities, wherein the content of Cu as an unavoidable impurity is limited to 0.2 mass % or less. In some cases, heat treatments such as solution heat treatment or artificial aging hardening treatment are performed after casting.

摘要翻译： 提供具有高电阻，高韧性和高耐腐蚀性并且最佳可用于制造电动机壳体的铝合金铸件，以及制造所述铝合金铸件的方法。 铝合金铸件具有Si：11.0〜13.0质量％，Fe：0.2〜1.0质量％，Mn：0.2〜2.2质量％，Mg：0.7〜1.3质量％，Cr：0.5〜1.3质量％，Ti： 0.1-0.5质量％，余量由Al和不可避免的杂质组成，其中作为不可避免的杂质的Cu的含量限制在0.2质量％以下。 在一些情况下，在铸造之后进行固溶热处理或人造时效硬化处理等热处理。

公开(公告)号：US20120291924A1

公开(公告)日：2012-11-22

申请号：US13489709

申请日：2012-06-06

申请人： Pizhi ZHAO ,  Toshiya ANAMI ,  Ichiro OKAMOTO ,  Hitoshi KAZAMA ,  Kunihiro YASUNAGA ,  Noboru HAYASHI ,  Kevin GATENBY ,  Simon BARKER ,  Edward LUCE

发明人： Pizhi ZHAO ,  Toshiya ANAMI ,  Ichiro OKAMOTO ,  Hitoshi KAZAMA ,  Kunihiro YASUNAGA ,  Noboru HAYASHI ,  Kevin GATENBY ,  Simon BARKER ,  Edward LUCE

IPC分类号： C22F1/043 ,  C22F1/047

CPC分类号： C22F1/05 ,  C22C21/02 ,  C22C21/06 ,  C22C21/08

摘要： An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, a remainder being Al; winding the slab into a coil; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment in such a manner that the sheet is heated to a temperature of 530° C. to 560° C. at a heating rate of 10° C./sec or more and then maintained at the temperature for five seconds or more; quenching the sheet with water; coiling up the sheet; maintaining the sheet at a temperature of 60° C. to 110° C. for 3 to 12 hours; and then cooling the sheet to room temperature.

摘要翻译： 通过使用含有0.40-0.65％的Mg，0.50％至0.75％的Si，0.05％的Mg的熔融合金，通过连续铸造法，通过连续铸造机制备厚度为5至15mm的板坯来制造铝合金板， 至0.20％的Cr和0.10％至0.40％的Fe，余量为Al; 将板坯卷绕成线圈; 将板坯冷轧成板材; 以片材以10℃/秒或更高的加热速率将片材加热至530℃至560℃的温度，然后将其保持在5℃的温度下对片材进行固溶热处理 秒或以上; 用水淬火; 卷起片材; 将片材保持在60℃至110℃的温度下3至12小时; 然后将该片冷却至室温。

公开(公告)号：US20070144630A1

公开(公告)日：2007-06-28

申请号：US10584200

申请日：2004-12-22

申请人： Toshiya Anami ,  Pizhi Zhao ,  Takayuki Kobayashi

发明人： Toshiya Anami ,  Pizhi Zhao ,  Takayuki Kobayashi

IPC分类号： C22F1/04

CPC分类号： B22D11/003 ,  B21B2003/001 ,  B22D11/0605 ,  B22D11/22 ,  C22C21/08 ,  C22F1/05

摘要： [Objectives] Strengthening, cost reduction, and improvement of press formability and bake hardenability of aluminum alloy sheets. [Means for achieving objectives] A manufacturing method for Al—Mg—Si aluminum alloy sheet with excellent bake hardenability, characterized by twin belt casting a molten Al—Mg—Si aluminum alloy containing Mg: 0.3-1.0 wt %, Si: 0.3-1.5 wt %, Cu: 1.0 wt % or below (including 0%), and Fe: 1.2 wt % or below (including 0%), and containing Mn: 0.1-0.7 wt % and/or Cr: 0.1-0.3% according to need, and the remnant being Al at an average cooling rate of 20 degrees C. or above, and at that time, making the temperature of the ingot as it comes out of the casting machine 250 degrees C. or below, and then rolling to the final sheet thickness by cold rolling only and without homogenization or hot rolling, and solution treatment being done in a continuous annealing furnace.

摘要翻译： [目标]加强，降低成本，提高铝合金板材的冲压成型性和烘烤淬透性。 实现目的的手段具有优异的烘烤硬化性的Al-Mg-Si铝合金板的制造方法，其特征在于，双辊铸造含有Mg：0.3〜1.0重量％，Si：0.3〜1.0重量％的熔融Al-Mg-Si铝合金， 1.5重量％，Cu：1.0重量％以下（含0％），Fe：1.2重量％以下（含0％），Mn：0.1-0.7重量％，Cr：0.1-0.3重量％ 并且残留物为Al，平均冷却速度为20摄氏度或以上，并且此时使铸锭的温度从铸造机出来250摄氏度或以下，然后轧制 通过冷轧仅在没有均化或热轧的情况下达到最终的板厚，并且在连续退火炉中进行固溶处理。

公开(公告)号：US20100307645A1

公开(公告)日：2010-12-09

申请号：US12746127

申请日：2008-02-06

申请人： Pizhi Zhao ,  Toshiya Anami ,  Kazumitsu Mizushima ,  Akira Goto ,  Hitoshi Kazama ,  Kunihiro Yasunaga

发明人： Pizhi Zhao ,  Toshiya Anami ,  Kazumitsu Mizushima ,  Akira Goto ,  Hitoshi Kazama ,  Kunihiro Yasunaga

IPC分类号： C22F1/04 ,  C22C21/00 ,  C22C21/06

CPC分类号： C22F1/047 ,  B21B1/22 ,  B21B3/00 ,  B21B27/005 ,  B21B2003/001 ,  B22D11/0605 ,  B22D11/124 ,  C22C21/06 ,  C22C21/08 ,  C22F1/04

摘要： An aluminum alloy sheet for motor vehicles is produced by casting a melt, containing 3.0-3.5 mass % Mg, 0.05-0.3 mass % Fe, 0.05-0.15 mass % Si, and less than 0.1 mass % Mn, a balance substantially being inevitable impurities and Al, into a slab having a thickness of 5 to 15 mm in a twin-belt caster so that cooling rate at ¼ depth of thickness of the slab is 20 to 200° C./sec; winding the cast thin slab into a coiled thin slab subjected to cold rolling with a roll having a surface roughness of 0.2 to 0.7 μm Ra at a cold rolling reduction of 50 to 98%; subjecting the cold rolled sheet to final annealing either continuously in a CAL at a holding temperature of 400 to 520° C. or in a batch annealing furnace at a holding temperature of 300 to 400° C.; and subjecting the resulting sheet to straightening with a leveler.

摘要翻译： 通过铸造含有3.0〜3.5质量％的Mg，0.05〜0.3质量％的Fe，0.05〜0.15质量％的Si和小于0.1质量％的Mn的熔融物来制造机动车辆用铝合金板，其余基本上是不可避免的杂质 和Al，在双带轮连铸机中成为厚度为5〜15mm的板坯，使得板坯厚度为1/4的冷却速度为20〜200℃/ sec; 将铸造的薄板坯以冷轧压下率为50〜98％，用表面粗糙度为0.2〜0.7μm的Ra进行冷轧的卷绕薄板坯; 在保持温度为400〜520℃的CAL中，或在300〜400℃的保持温度的分批式退火炉中对冷轧板进行最终退火， 并使所得到的片材用矫直机矫直。

公开(公告)号：US20070217943A1

公开(公告)日：2007-09-20

申请号：US11578908

申请日：2005-04-15

申请人： Pizhi Zhao ,  Kazuhiro Shiozawa

发明人： Pizhi Zhao ,  Kazuhiro Shiozawa

IPC分类号： C22C21/08 ,  B22D11/06

CPC分类号： B22D11/003 ,  B22D11/0605 ,  C22C21/06 ,  C22C21/08 ,  C22F1/047

摘要： To provide an aluminum alloy sheet with excellent formability at high temperatures and high speeds with a reduced amount of cavities after forming and a method of production of the same. An aluminum alloy sheet consisting of 2.0-8.0 wt % of Mg, 0.06-0.2 wt % of Si, 0.1-0.5 wt % of Fe, 0.1-0.5 wt % of Mn, and the balance of Al and unavoidable impurities, wherein a density of inter-metallic compounds having an equivalent circle diameter of 1 to 5 μm is 5000/mm2 or more and an average crystal grain size is 20 μm or less. A method of production of an aluminum alloy sheet comprising the steps of casting an alloy melt having the above described composition by a twin belt casting machine at a cooling rate of 20 to 150° C./sec at the location of ¼ of the slab thickness during the casting to form a slab having a thickness of 5 to 15 mm, subsequently rewinding up the slab as a coil, cold rolling the slab taken out from the coil at a cold rolling reduction of 70 to 96%, and performing annealing heating the obtained cold rolled sheet at a heating rate of 50° C./sec or more to 420 to 500° C.

摘要翻译： 提供一种在高温高速下成形性优异的铝合金板，成形后的空腔量减少，其制造方法也是如此。 由2.0-8.0重量％的Mg，0.06-0.2重量％的Si，0.1-0.5重量％的Fe，0.1-0.5重量％的Mn和其余的Al和不可避免的杂质构成的铝合金板，其中密度 的当量圆直径为1〜5μm的金属间化合物为5000 / mm 2以上，平均结晶粒径为20μm以下。 一种铝合金板的制造方法，其特征在于，在双层带式铸造机中以20〜150℃/秒的冷却速度铸造具有上述成分的合金熔体的工序， 在铸造期间形成厚度为5〜15mm的板坯，随后将板坯卷绕成线圈，将从线圈取出的板坯以70〜96％的冷轧压下率进行冷轧，并进行退火加热 以50℃/秒以上的加热速度获得冷轧板至420〜500℃。

公开(公告)号：US20070209739A1

公开(公告)日：2007-09-13

申请号：US10582272

申请日：2004-12-13

申请人： Pizhi Zhao

发明人： Pizhi Zhao

IPC分类号： C22F1/04

CPC分类号： C22F1/05 ,  B22D11/0605 ,  B22D11/124 ,  C22C21/02 ,  C22C21/08

摘要： [PROBLEMS] To provide a method for producing an aluminum alloy sheet excellent in bake-hardenability and hemmability at a low cost by the employment of a very short production process. [MEANS FOR SOLVING PROBLEMS] A method for producing an aluminum alloy sheet, which comprises providing an aluminum alloy melt having a chemical composition, in wt %, that Mg: 0.30 to 1.00%, Si: 0.30 to 1.20%, Fe: 0.05 to 0.50%, Mn: 0.05 to 0.50%, Ti: 0.005 to 0.10%, optionally further one or more of Cu: 0.05 to 0.70% and Zr: 0.05 to 0.40%, and the balance: Al and inevitable impurities, casting the alloy melt into a slab having a thickness of 5 to 15 mm by the twin belt casting method with a cooling speed at ¼ of the thickness of the slab of 40 to 150° C./s, winding up a coil, subjecting the coil to a homogenizing treatment, cooling the resultant coil to a temperature of 250° C. or lower with a cooling speed of 500° C./hr or more, followed by cold rolling, and then subjecting the resulting product to a solution treatment.

摘要翻译： [问题]提供一种通过使用非常短的生产工艺以低成本生产优异的烘烤淬透性和抗折强度的铝合金板的方法。 [解决问题的方法]一种铝合金板的制造方法，其特征在于，提供具有以Mg计：0.30〜1.00％，Si：0.30〜1.20％，Fe：0.05〜 0.50％，Mn：0.05〜0.50％，Ti：0.005〜0.10％，Cu：0.05〜0.70％，Zr：0.05〜0.40％中的一种以上，余量：Al和不可避免的杂质，铸造合金熔体 通过双辊铸造法将板坯的厚度设为5〜15mm，冷却速度为板坯厚度的1/4，冷却速度为40〜150℃/分，卷取线圈，使线圈均匀化 处理，以500℃/小时以上的冷却速度将得到的线圈冷却至250℃以下的温度，然后冷轧，然后对所得到的产物进行固溶处理。