公开(公告)号：US20140102601A1

公开(公告)日：2014-04-17

申请号：US14118793

申请日：2012-04-24

申请人： Tomoo Yoshida

发明人： Tomoo Yoshida

IPC分类号： C22C21/10

CPC分类号： C22C21/10 ,  B21C23/002 ,  B21C23/085 ,  B21C23/142 ,  B60R2019/182

摘要： A high-strength aluminum alloy exhibiting excellent stress corrosion cracking resistance and excellent extrudability, and a method for producing an extruded shape using the same are disclosed. The aluminum alloy includes 1.6 to 2.6 mass % of Mg, 6.0 to 7.0 mass % of Zn, 0.5 mass % or less of Cu, and 0.01 to 0.05 mass % of Ti, with the balance being Al and unavoidable impurities.

摘要翻译： 具有优异的耐应力腐蚀开裂性和优异的挤出性的高强度铝合金，以及使用其制造挤出形状的方法。 铝合金包含1.6〜2.6质量％的Mg，6.0〜7.0质量％的Zn，0.5质量％以下的Cu和0.01〜0.05质量％的Ti，余量为Al和不可避免的杂质。

公开(公告)号：US20110017366A1

公开(公告)日：2011-01-27

申请号：US12896124

申请日：2010-10-01

申请人： Tomoo YOSHIDA ,  Arata Yoshida ,  Shinji Makino

发明人： Tomoo YOSHIDA ,  Arata Yoshida ,  Shinji Makino

IPC分类号： C22F1/053

CPC分类号： B21C23/002 ,  C22C21/10 ,  C22F1/02 ,  C22F1/053

摘要： A method of producing an aluminum alloy extruded product comprising: casting a billet using a 7000-series aluminum alloy having Mg of 0.95 to 1.95 mass %, Zn of 5.10 to 7.90 mass %, an excess mg or Zn content relative to a stoichiometric composition shown by MgZn2 of less than 0.5 mass %; an A=Zn−5.36×Mg (mass %) of −2.64 to 0.50; and at least one of Mn, Cr and Zr with a total content thereof being less than 0.25 mass %; homogenizing the billet at 450 to 550° C.; preheating the homogenized product at 480 to 540° C.; extruding the preheated product with a die heated at 440 to 500° C.; and subjecting the extruded product to press quenching at an air cooling rate of 29° C./min or more, wherein a proof stress increase due to natural aging is 15 Mpa or less and a hardness HV increase due to natural aging is seven or less.

摘要翻译： 一种铝合金挤压制品的制造方法，其特征在于，使用Mg为0.95〜1.95质量％，Zn为5.10〜7.90质量％，相对于所示化学计量组成的过量的mg或Zn含量的7000系铝合金铸造坯料 通过MgZn2小于0.5质量％; A = Zn-5.36×Mg（质量％）为-2.64〜0.50; 和Mn，Cr和Zr中的至少一种，其总含量小于0.25质量％; 在450〜550℃下均质化钢坯。 在480至540℃下预热均质产物。 用加热到440-500℃的模具挤压预热产品; 以29℃/分钟以上的空气冷却速度对挤压制品进行加压淬火，其中由于自然时效而产生的抗张力增加为15Mpa以下，由于自然时效而增加的硬度HV为7以下 。

公开(公告)号：US20090053098A1

公开(公告)日：2009-02-26

申请号：US12254348

申请日：2008-10-20

申请人： Tomoo YOSHIDA ,  Arata YOSHIDA ,  Shinji MAKINO

发明人： Tomoo YOSHIDA ,  Arata YOSHIDA ,  Shinji MAKINO

IPC分类号： C22C21/10 ,  C22F1/053

CPC分类号： B21C23/002 ,  C22C21/10 ,  C22F1/02 ,  C22F1/053

摘要： An extruded product includes a 7000-series aluminum alloy, the 7000-series aluminum alloy having an excess Mg content or an excess Zn content of less than 0.5 mass % with respect to a stoichiometric composition shown by MgZn2.

摘要翻译： 挤出产品包括7000系铝合金，相对于MgZn2所示的化学计量组成，具有超过Mg含量或过量Zn含量小于0.5质量％的7000系铝合金。

公开(公告)号：US20090047171A1

公开(公告)日：2009-02-19

申请号：US12093009

申请日：2007-03-30

申请人： Masamichi Aono ,  Toshitaka Miyaki ,  Tomoo Yoshida

发明人： Masamichi Aono ,  Toshitaka Miyaki ,  Tomoo Yoshida

IPC分类号： C22C21/02 ,  C22F1/043

CPC分类号： B21C23/002 ,  C22C21/02 ,  C22C21/06 ,  C22F1/00 ,  C22F1/043

摘要： This invention relates to a 6000-series aluminum extruded material containing magnesium (0.3% to 0.7% by mass), silicon (0.7% to 1.5% by mass), copper (0.35% or less by mass), iron (0.35% or less by mass), titanium (0.005% to 0.1% by mass), manganese (0.05% to 0.30% by mass), chrome (0.10% or less by mass), and zirconium (0.10% or less by mass) (provided that at least one transition element selected from the group consisting of manganese, chromium, and zirconium is contained in a total amount representing 0.05% to 0.40% by mass), with the balance comprising aluminum with inevitable impurities, such aluminium extruded material having a predetermined yield strength of 180 MPa or more with an increase of 60 MPa as a result of a thermal history corresponding to paint baking. Such 6000-series aluminium extruded profile is superior in paint-baking hardenability and thus the yield strength thereof can be secured to a level applicable to structural members of automobiles and the like with the use of a thermal history corresponding to paint baking.

摘要翻译： 本发明涉及含有镁（0.3质量％〜0.7质量％），硅（0.7质量％〜1.5质量％），铜（0.35质量％以下），铁（0.35％以下）的6000系铝挤压材料 ，钛（0.005〜0.1质量％），锰（0.05〜0.30质量％），铬（0.10质量％以下）和锆（0.10质量％以下）（条件是在 从由锰，铬和锆组成的组中选出的至少一种过渡元素的含量为0.05〜0.40质量％的总量），余量由铝与不可避免的杂质组成，这种铝挤压材料具有预定的屈服强度 为180MPa以上，由于对应于油漆烘烤的热历史，增加了60MPa。 这种6000系铝挤压型材在油漆烘烤淬透性方面优异，因此可以通过使用对应于油漆烘烤的热历程将其屈服强度确保到适用于汽车等的结构构件的水平。

公开(公告)号：US20070074791A1

公开(公告)日：2007-04-05

申请号：US11527777

申请日：2006-09-26

申请人： Arata Yoshida ,  Shinji Makino ,  Tomoo Yoshida

发明人： Arata Yoshida ,  Shinji Makino ,  Tomoo Yoshida

IPC分类号： C22C21/10

CPC分类号： C22C21/10 ,  C22F1/053

摘要： An aluminum alloy extruded product includes an aluminum alloy including 6.0 to 7.2 mass % of Zn, 1.0 to 1.6 mass % of Mg, 0.1 to 0.4 mass % of Cu, at least one component selected from the group consisting of Mn, Cr, and Zr in a respective amount of 0.25 mass % or less and a total amount of 0.15 to 0.25 mass %, 0.20 mass % or less of Fe, and 0.10 mass % or less of Si, with the balance substantially being aluminum, the aluminum alloy extruded product having a hollow cross-sectional shape, a recrystallization rate of 20% or less of a cross-sectional area of the extruded product, and a 0.2% proof stress of 370 to 450 MPa.

摘要翻译： 铝合金挤压制品包括含有6.0〜7.2质量％的Zn，1.0〜1.6质量％的Mg，0.1〜0.4质量％的Cu，至少一种选自Mn，Cr和Zr的组分的铝合金 相当量的0.25质量％以下，总量为0.15〜0.25质量％，0.20质量％以下的Fe和0.10质量％以下的Si，余量基本上为铝，铝合金挤出产品 具有中空截面形状，再结晶率为挤出产品的横截面面积的20％以下，并且0.2％屈服应力为370〜450MPa。

公开(公告)号：US10087508B2

公开(公告)日：2018-10-02

申请号：US14118793

申请日：2012-04-24

申请人： Tomoo Yoshida

发明人： Tomoo Yoshida

IPC分类号： C22C21/10 ,  B21C23/00 ,  B21C23/08 ,  B21C23/14 ,  B60R19/18

摘要： A high-strength aluminum alloy exhibiting excellent stress corrosion cracking resistance and excellent extrudability, and a method for producing an extruded shape using the same are disclosed. The aluminum alloy includes 1.6 to 2.6 mass % of Mg, 6.0 to 7.0 mass % of Zn, 0.5 mass % or less of Cu, and 0.01 to 0.05 mass % of Ti, with the balance being Al and unavoidable impurities.

公开(公告)号：US08168013B2

公开(公告)日：2012-05-01

申请号：US13160609

申请日：2011-06-15

申请人： Karin Shibata ,  Tomoo Yoshida ,  Hiroshi Tabuchi ,  Hidetoshi Takagi

发明人： Karin Shibata ,  Tomoo Yoshida ,  Hiroshi Tabuchi ,  Hidetoshi Takagi

IPC分类号： C22F1/05

CPC分类号： C22C21/08 ,  C22C21/02

摘要： A method includes: preparing a molten aluminum alloy consisting of 0.3-0.8 mass % Mg, 0.5-1.2 mass % Si, 0.3 mass % or more excess Si relative to the Mg2Si stoichiometric composition, 0.05-0.4 mass % Cu, 0.2-0.4 mass % Mn, 0.1-0.3 mass % Cr, 0.2 mass % or less Fe, 0.2 mass % or less Zr, and 0.005-0.1 mass % Ti, with the balance being aluminum and unavoidable impurities; casting the alloy into a billet at a speed of 80 mm/min or more and a cooling rate of 15° C./sec or more; extruding the billet into an extruded product; water cooling the product immediately after extrusion at 500° C./min or more; and artificially aging the product, thereby yielding an extruded product with fatigue strength of 140 MPa or more, fatigue ratio of 0.45 or more, an interval between striations on a fatigue fracture surface of 5.0 μm or less, and a maximum length of Al—Fe—Si crystallized products of 10 μm or less.

摘要翻译： 一种方法包括：制备由0.3-0.8质量％Mg，0.5-1.2质量％Si，相对于Mg 2 Si化学计量组成为0.3质量％以上的过量Si，0.05〜0.4质量％的Cu，0.2〜0.4质量％ ％Mn，0.1-0.3质量％Cr，0.2质量％以下的Fe，0.2质量％以下的Zr和0.005〜0.1质量％的Ti，余量为铝和不可避免的杂质; 将合金以80mm / min以上的速度和15℃/ sec以上的冷却速度铸造成坯料; 将坯料挤压成挤出产品; 在500℃/ min以上挤出后立即冷却产品; 并使产品人为老化，得到疲劳强度为140MPa以上，疲劳比为0.45以上，疲劳断裂面的条纹间隔为5.0μm以下的挤出制品和Al-Fe的最大长度 -Si结晶产物为10μm以下。

公开(公告)号：US08105449B2

公开(公告)日：2012-01-31

申请号：US11527777

申请日：2006-09-26

申请人： Arata Yoshida ,  Shinji Makino ,  Tomoo Yoshida

发明人： Arata Yoshida ,  Shinji Makino ,  Tomoo Yoshida

IPC分类号： C22F1/04 ,  C22C21/06 ,  C22C21/00 ,  C22C21/10

CPC分类号： C22C21/10 ,  C22F1/053

摘要： An aluminum alloy extruded product includes an aluminum alloy including 6.0 to 7.2 mass % of Zn, 1.0 to 1.6 mass % of Mg, 0.1 to 0.4 mass % of Cu, at least one component selected from the group consisting of Mn, Cr, and Zr in a respective amount of 0.25 mass % or less and a total amount of 0.15 to 0.25 mass %, 0.20 mass % or less of Fe, and 0.10 mass % or less of Si, with the balance substantially being aluminum, the aluminum alloy extruded product having a hollow cross-sectional shape, a recrystallization rate of 20% or less of a cross-sectional area of the extruded product, and a 0.2% proof stress of 370 to 450 MPa.

摘要翻译： 铝合金挤压制品包括含有6.0〜7.2质量％的Zn，1.0〜1.6质量％的Mg，0.1〜0.4质量％的Cu，至少一种选自Mn，Cr和Zr的组分的铝合金 相当量的0.25质量％以下，总量为0.15〜0.25质量％，0.20质量％以下的Fe和0.10质量％以下的Si，余量基本上为铝，铝合金挤出产品 具有中空截面形状，再结晶率为挤出产品的横截面面积的20％以下，并且0.2％屈服应力为370〜450MPa。

公开(公告)号：US20110240178A1

公开(公告)日：2011-10-06

申请号：US13160609

申请日：2011-06-15

申请人： Karin SHIBATA ,  Tomoo YOSHIDA ,  Hiroshi TABUCHI ,  Hidetoshi TAKAGI

发明人： Karin SHIBATA ,  Tomoo YOSHIDA ,  Hiroshi TABUCHI ,  Hidetoshi TAKAGI

IPC分类号： C22F1/04 ,  C22F1/043 ,  C22F1/047 ,  C22F1/05 ,  C22F1/057

CPC分类号： C22C21/08 ,  C22C21/02

摘要： A method includes: preparing a molten aluminum alloy consisting of 0.3-0.8 mass % Mg, 0.5-1.2 mass % Si, 0.3 mass % or more excess Si relative to the Mg2Si stoichiometric composition, 0.05-0.4 mass % Cu, 0.2-0.4 mass % Mn, 0.1-0.3 mass % Cr, 0.2 mass % or less Fe, 0.2 mass % or less Zr, and 0.005-0.1 mass % Ti, with the balance being aluminum and unavoidable impurities; casting the alloy into a billet at a speed of 80 mm/min or more and a cooling rate of 15° C./sec or more; extruding the billet into an extruded product; water cooling the product immediately after extrusion at 500° C./sec or more; and artificially aging the product, thereby yielding an extruded product with fatigue strength of 140 MPa or more, fatigue ratio of 0.45 or more, an interval between striations on a fatigue fracture surface of 5.0 μm or less, and a maximum length of Al—Fe—Si crystallized products of 10 μm or less.

摘要翻译： 一种方法包括：制备由0.3-0.8质量％Mg，0.5-1.2质量％Si，相对于Mg 2 Si化学计量组成为0.3质量％以上的过量Si，0.05〜0.4质量％的Cu，0.2〜0.4质量％ ％Mn，0.1-0.3质量％Cr，0.2质量％以下的Fe，0.2质量％以下的Zr和0.005〜0.1质量％的Ti，余量为铝和不可避免的杂质; 将合金以80mm / min以上的速度和15℃/ sec以上的冷却速度铸造成坯料; 将坯料挤压成挤出产品; 在500℃/秒以上挤出后立即冷却产品; 并使产品人为老化，得到疲劳强度为140MPa以上，疲劳比为0.45以上，疲劳断裂面的条纹间隔为5.0μm以下的挤出制品和Al-Fe的最大长度 -Si结晶产物为10μm以下。

公开(公告)号：US20100047114A1

公开(公告)日：2010-02-25

申请号：US12543545

申请日：2009-08-19

申请人： Karin SHIBATA ,  Tomoo YOSHIDA ,  Hiroshi TABUCHI ,  Hidetoshi TAKAGI

发明人： Karin SHIBATA ,  Tomoo YOSHIDA ,  Hiroshi TABUCHI ,  Hidetoshi TAKAGI

IPC分类号： C22C21/16

CPC分类号： C22C21/08 ,  C22C21/02

摘要： An aluminum alloy extruded product includes 0.3 to 0.8 mass % of Mg, 0.5 to 1.2 mass % of Si, 0.3 mass % or more of excess Si with respect to the Mg2Si stoichiometric composition, 0.05 to 0.4 mass % of Cu, 0.2 to 0.4 mass % of Mn, 0.1 to 0.3 mass % of Cr, 0.2 mass % or less of Fe, 0.2 mass % or less of Zr, and 0.005 to 0.1 mass % of Ti, with the balance being aluminum and unavoidable impurities, the aluminum alloy extruded product having a fatigue strength of 140 MPa or more, a fatigue ratio of 0.45 or more, and an interval between striations on a fatigue fracture surface of 5.0 μm or less.

摘要翻译： 相对于Mg2Si化学计量组成，含有0.3〜0.8质量％的Mg，0.5〜1.2质量％的Si，0.3质量％以上的过量Si，0.05〜0.4质量％的Cu，0.2〜0.4质量％ 的Mn，0.1〜0.3质量％的Cr，0.2质量％以下的Fe，0.2质量％以下的Zr和0.005〜0.1质量％的Ti，余量为铝和不可避免的杂质，铝合金挤出 疲劳强度为140MPa以上，疲劳率为0.45以上，疲劳断裂面上的条纹间隔为5.0μm以下的产品。