公开(公告)号：US08691031B2

公开(公告)日：2014-04-08

申请号：US13489709

申请日：2012-06-06

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

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

IPC: C22F1/043 ,  C22F1/047

CPC classification number: C22F1/05 ,  C22C21/02 ,  C22C21/06 ,  C22C21/08

Abstract: 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.

Abstract translation: 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：US20090007994A1

公开(公告)日：2009-01-08

申请号：US11572832

申请日：2004-07-30

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

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

IPC: C22F1/047 ,  C22C21/08

CPC classification number: C22C1/06 ,  B22D11/003 ,  B22D11/0605 ,  C22C21/06 ,  C22F1/047

Abstract: 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.

Abstract translation: 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：US20080050606A1

公开(公告)日：2008-02-28

申请号：US11907674

申请日：2007-10-16

Applicant: Hitoshi Kazama ,  Kunihiro Yasunaga

Inventor： Hitoshi Kazama ,  Kunihiro Yasunaga

IPC: B32B15/01

CPC classification number: C22F1/05 ,  Y10T428/12

Abstract: An aluminum alloy plate to be subjected to a bake coating contains silicon (Si) and magnesium (Mg) with the balance being aluminum (Al) and inevitable impurities. In order to set the content of Mg2Si in a range of 0.50% by weight≦Mg2Si≦1.00% by weight, when the Si content by weight percent is taken on an x-axis of rectangular coordinates and the Mg content by weight percent is taken on a y-axis of the rectangular coordinates, the Si and Mg contents are set in a region in a diagram formed by sequentially connecting a point A (0.18, 0.31), a point B (1.3, 0.31), a point C (1.3, 0.64), a point D (0.37, 0.64), a point E (0.37, 1.0), a point F (0.18, 1.0) and the point A (0.18, 0.31). Thus, a bake-hard effect can be obtained, and the aluminum alloy plate can be produced at a relatively low manufacturing cost.

Abstract translation: 要进行烘烤涂层的铝合金板包含硅（Si）和镁（Mg），余量为铝（Al）和不可避免的杂质。 为了将Mg 2 Si的含量设定在0.50重量％≤2.0重量％Si≤1.00重量％的范围内，当Si含量按重量计 百分比取为直角坐标的x轴，Mg占重量百分比取为直角坐标的y轴，Si和Mg含量设置在通过依次连接点A形成的图中的区域 （0.18,0.31），点B（1.3,0.31），点C（1.3,0.64），点D（0.37,0.64），点E（0.37,1.0），点F（0.18,1.0） 和点A（0.18,0.31）。 因此，可以获得烘烤硬度的效果，并且可以以相对低的制造成本制造铝合金板。

公开(公告)号：US6110297A

公开(公告)日：2000-08-29

申请号：US317651

申请日：1999-05-24

Applicant: Noboru Hayashi ,  Kunihiro Yasunaga ,  Hiden Yoshida ,  Hidetoshi Uchida ,  Hideo Itoh

Inventor： Noboru Hayashi ,  Kunihiro Yasunaga ,  Hiden Yoshida ,  Hidetoshi Uchida ,  Hideo Itoh

IPC: C23C22/00

CPC classification number: C10M173/02 ,  C22C21/00 ,  C22C21/02 ,  C22F1/00 ,  C22F1/04 ,  C22F1/05 ,  C10M2205/14 ,  C10M2205/18 ,  C10M2213/00 ,  C10M2217/045 ,  C10M2217/0453 ,  C10M2229/02 ,  C10N2220/082 ,  C10N2250/08 ,  C10N2250/121

Abstract: The invention provides an aluminum alloy sheet that has excellent formability, high coat-baking hardenability, excellent corrosion resistance, and is particularly suitable for external automobile body plates. The aluminum alloy sheet comprises: 0.9 to 1.3 wt. % of Si, 0.4 to 0.6 wt. % of Mg, 0.05 to 0.15 wt. % of Mn, 0.01 to 0.1 wt. % of Ti, with the remainder comprising Al and inevitable impurities, while limiting Fe as an impurity to 0.2 wt. % or less and Cu as an impurity to 0.1 wt. % or less. The aluminum homogenizing an aluminum ingot with the above-described composition; cooling the homogenized ingot to a temperature of 450.degree. C. or below to begin hot-rolling; finishing hot-rolling in a temperature range from 250 to 350.degree. C.; applying intermediate annealing to the hot-rolled plate; conducting cold-rolling at a draft of 70% or more; applying a solid solution treatment followed by quenching the alloy sheet and holding it at 530.degree. C. or above for 60 sec. or less; forming a chromate film onto the quenched alloy sheet; forming a film of a lubricant containing a water-dispersible polyurethane resin and a natural wax onto the chromate film; then applying a heat treatment to the coated alloy sheet in a temperature range of from 200 to 240.degree. C. for 60 sec. or less.

Abstract translation: 本发明提供一种铝合金板，其具有优异的成形性，高涂层烧结淬透性，优异的耐腐蚀性，特别适用于外部汽车车身板。 铝合金板包括：0.9〜1.3重量％ Si％，0.4〜0.6wt。 ％的Mg，0.05〜0.15wt。 Mn％，0.01〜0.1重量％ ％的Ti，剩余部分包含Al和不可避免的杂质，同时将Fe作为杂质限制在0.2wt。 ％以下，Cu为杂质至0.1重量％。 ％ 或更少。 铝均匀化具有上述组成的铝锭; 将均质锭冷却至450℃以下的温度，开始热轧; 在250〜350℃的温度范围内进行热轧。 对热轧板进行中间退火; 以70％以上的吃水进行冷轧; 进行固溶处理，然后淬火合金板并将其保持在530℃以上60秒。 或更少; 在淬火的合金板上形成铬酸盐膜; 在铬酸盐膜上形成含有水分散性聚氨酯树脂和天然蜡的润滑剂膜; 然后在200〜240℃的温度范围内对涂布的合金板进行热处理60秒。 或更少。

公开(公告)号：US5743124A

公开(公告)日：1998-04-28

申请号：US747703

申请日：1996-11-12

Applicant: Keiichi Sugiyama ,  Mitsuo Tsuge ,  Tadashi Hakamada ,  Masayoshi Ohhashi ,  Kunihiro Yasunaga

Inventor： Keiichi Sugiyama ,  Mitsuo Tsuge ,  Tadashi Hakamada ,  Masayoshi Ohhashi ,  Kunihiro Yasunaga

IPC: B21D7/00 ,  B21D7/025 ,  B21D7/14 ,  B21D5/06

CPC classification number: B21D7/14 ,  B21D7/025 ,  Y10S72/702

Abstract: A method of bending extruded shapes of the present invention controls a bending radius and a bending angle in accordance with a moving distance of a movable bending die. In the bending process, hardness of an extruded shape to be processed is measured and converted into proof stress, and the bending condition for compensating the springback is determined. A correction coefficient C showing a ratio of a practical value of the moving distance and a theoretical value of the moving distance in a case of no spring-back occurring is defined by a function of Young's modulus E, geometrical coefficient Z, bending radius R and proof stress .sigma..sub.0.2 for the extruded shape to be processed. The correction coefficient C is obtained by measuring the hardness of the extruded shape to be processed, converting the measured hardness into the proof stress, and substituting the proof stress and a predetermined bending radius R into the function, and the practical value of the moving distance of the movable bending die is determined.

Abstract translation: 本发明的弯曲挤压形状的方法根据可动弯曲模具的移动距离来控制弯曲半径和弯曲角度。 在弯曲过程中，测量待加工的挤出形状的硬度，并将其转化为证明应力，并且确定用于补偿回弹的弯曲条件。 表示在弹跳不发生的情况下移动距离的实际值与移动距离的理论值之比的校正系数C由杨氏模量E，几何系数Z，弯曲半径R和 挤出形状的加工抗力σσ0.2。 校正系数C是通过测定被加工的挤出形状的硬度，将测定的硬度转换为有效应力，将试验应力和规定的弯曲半径R代入功能而得到的，移动距离的实用值 确定可动弯曲模具。

公开(公告)号：US08425698B2

公开(公告)日：2013-04-23

申请号：US11572832

申请日：2004-07-30

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

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

IPC: C22F1/047

CPC classification number: C22C1/06 ,  B22D11/003 ,  B22D11/0605 ,  C22C21/06 ,  C22F1/047

Abstract: 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.

Abstract translation: 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：US20090081072A1

公开(公告)日：2009-03-26

申请号：US11914163

申请日：2005-05-25

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

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

IPC: C22C21/16 ,  C22C21/08 ,  C22F1/043 ,  C22F1/047

CPC classification number: C22F1/05 ,  C22C21/02 ,  C22C21/06 ,  C22C21/08

Abstract: 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 following components: 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, remainder being Al, the components being essential elements, and optionally up to 0.15% Cu, 0.10% Ti; winding the slab into a coil; hot-rolling or directly coiling up the slab; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment with a continuous annealing furnace; and then pre-aging the sheet. The aluminum alloy sheet has the same composition as the molten alloy, has a grain size of 10 to 25 μm, is superior in bake hardenability, bendability, and surface quality (orange peel), and can be manufactured with low cost.

Abstract translation: 通过使用含有以下组分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：0.40％至0.65％的Mg，0.50％至0.75％的Si ，0.05〜0.20％的Cr，0.10〜0.40％的Fe，余量为Al，成分为必需元素，Cu为0.10％以下，Ti为0.10％以上。 将板坯卷绕成线圈; 热轧或直接卷起板坯; 将板坯冷轧成片材; 用连续退火炉对片材进行固溶热处理; 然后预处理片材。 铝合金板具有与熔融合金相同的组成，粒径为10〜25μm，烘烤淬透性，弯曲性，表面质量（桔皮）均优异，可以低成本地制造。

公开(公告)号：US06248193B1

公开(公告)日：2001-06-19

申请号：US09508172

申请日：2000-05-12

Applicant: Pizhi Zhao ,  Takeshi Moriyama ,  Noboru Hayashi ,  Kunihiro Yasunaga ,  Paul Wycliffe ,  David James Lloyd

Inventor： Pizhi Zhao ,  Takeshi Moriyama ,  Noboru Hayashi ,  Kunihiro Yasunaga ,  Paul Wycliffe ,  David James Lloyd

IPC: C22F104

CPC classification number: C22F1/047

Abstract: A continuously cast and rolled sheet of an aluminum alloy having Mg in a content of 3 to 6% by weight is annealed, followed by strain correction, heat and hold treatment at a given temperature between 240° C. and 340° C. for one hour or more, and slowly cooling treatment, to thereby provide an aluminum alloy sheet having enhanced resistance to stress corrosion cracking and improved shape fixability. The slowly cooling treatment is carried out at a cooling rate chosen from a preset cooling zone corresponding to a present temperature zone S defined in obliquely lined surround form in the accompanying drawing.

Abstract translation: 将具有3〜6重量％的Mg的铝合金的连续铸造和轧制板退火，然后在240℃〜340℃的给定温度下进行应变校正，热处理和保持处理，一个 小时以上，缓慢冷却处理，从而提供具有增强的耐应力腐蚀开裂性和改善的形状固定性的铝合金板。 缓慢冷却处理以选自对应于在附图中以倾斜排列的环绕形式限定的当前温度区域S的预设冷却区域中的冷却速率进行。

公开(公告)号：US20120291924A1

公开(公告)日：2012-11-22

申请号：US13489709

申请日：2012-06-06

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

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

IPC: C22F1/043 ,  C22F1/047

CPC classification number: C22F1/05 ,  C22C21/02 ,  C22C21/06 ,  C22C21/08

Abstract: 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.

Abstract translation: 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：US20100307645A1

公开(公告)日：2010-12-09

申请号：US12746127

申请日：2008-02-06

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

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

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

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

Abstract: 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.

Abstract translation: 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。