专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06444058B1 High toughness plate alloy for aerospace applications 有权
公开(公告)号：US06444058B1
公开(公告)日：2002-09-03
申请号：US09208963
申请日：1998-12-10
申请人： John Liu , Robert W. Westerlund , Gary H. Bray , Terrence N. Thom , Dhruba J. Chakrabarti
发明人： John Liu , Robert W. Westerlund , Gary H. Bray , Terrence N. Thom , Dhruba J. Chakrabarti
IPC分类号： C22C2106
CPC分类号： C22C21/12 , C22C21/16 , C22F1/057
摘要： The present invention is directed to highly controlled alloy composition relationship of a high purity Al—Mg—Cu alloy within the 2000 series aluminum alloys as defined by the Aluminum Association, wherein significant improvements are revealed in fracture toughness through plane strain, fracture toughness through plane stress, fatigue life, and fatigue crack growth resistance.

2. 发明授权

US06576071B2 High toughness plate alloy for aerospace applications 有权
公开(公告)号：US06576071B2
公开(公告)日：2003-06-10
申请号：US10072365
申请日：2002-02-07
申请人： John Liu , Robert W. Westerlund , Gary H. Bray , Terrence N. Thom , Dhruba J. Chakrabarti
发明人： John Liu , Robert W. Westerlund , Gary H. Bray , Terrence N. Thom , Dhruba J. Chakrabarti
IPC分类号： C22C2106
CPC分类号： C22C21/12 , C22C21/16 , C22F1/057
摘要： The present invention is directed to highly controlled alloy composition relationship of a high purity Al—Mg—Cu alloy within the 2000 series aluminum alloys as defined by the Aluminum Association, wherein significant improvements are revealed in fracture toughness through plane strain, fracture toughness through plane stress, fatigue life, and fatigue crack growth resistance.

3. 发明授权

US07678205B2 Aluminum alloy products having improved property combinations and method for artificially aging same 有权
标题翻译：铝合金产品具有改善的性能组合和人造老化方法
公开(公告)号：US07678205B2
公开(公告)日：2010-03-16
申请号：US11287744
申请日：2005-11-28
申请人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
发明人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
IPC分类号： C22C21/10
CPC分类号： C22F1/053 , B22D17/2209 , C22C21/10
摘要： Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg≦(Cu+0.3); and 0.05 to 0.4 wt. % Zr, the balance Al, incidental elements and impurities. Preferably, the alloy contains about 6.9 to 8.5 wt. % Zn; 1.2 to 1.7 wt. % Mg; 1.3 to 2 wt. % Cu. This alloy provides improved combinations of strength and fracture toughness in thick gauges. When artificially aged per the three stage method of preferred embodiments, this alloy also achieves superior SCC performance, including under seacoast conditions.
摘要翻译：适合用于制造航空航天结构部件如整体翼梁，肋骨和腹板的铝合金产品，例如板，锻件和挤压件，包括：约6至10wt。％Zn; 1.2〜1.9重量％％Mg; 1.2〜2.2重量％％Cu，Mg + NlE;（Cu + 0.3）; 和0.05〜0.4重量％％Zr，余量为Al，附带元素和杂质。优选地，合金含有约6.9至8.5wt。％Zn; 1.2〜1.7重量％％Mg; 1.3〜2重量％％Cu。该合金提供了厚度计中强度和断裂韧性的改进组合。当根据优选实施方案的三阶段方法人工老化时，该合金还实现了优异的SCC性能，包括在海岸条件下。

4. 发明授权

US08524014B2 Aluminum alloy products having improved property combinations and method for artificially aging same 有权
标题翻译：铝合金产品具有改善的性能组合和人造老化方法
公开(公告)号：US08524014B2
公开(公告)日：2013-09-03
申请号：US13178339
申请日：2011-07-07
申请人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
发明人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
IPC分类号： C22C21/10
CPC分类号： C22F1/053 , B22D17/2209 , C22C21/10
摘要： Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg≦(Cu+0.3); and 0.05 to 0.4 wt. % Zr, the balance Al, incidental elements and impurities. Preferably, the alloy contains about 6.9 to 8.5 wt. % Zn; 1.2 to 1.7 wt. % Mg; 1.3 to 2 wt. % Cu. This alloy provides improved combinations of strength and fracture toughness in thick gauges. When artificially aged per the 3-stage method of preferred embodiments, this alloy also achieves superior SCC performance, including under seacoast conditions.
摘要翻译：适合用于制造航空航天结构部件如整体翼梁，肋骨和腹板的铝合金产品，例如板，锻件和挤压件，包括：约6至10wt。％Zn; 1.2〜1.9重量％％Mg; 1.2〜2.2重量％％Cu，Mg @（Cu + 0.3）; 和0.05〜0.4重量％％Zr，余量为Al，附带元素和杂质。优选地，合金含有约6.9至8.5wt。％Zn; 1.2〜1.7重量％％Mg; 1.3〜2重量％％Cu。该合金提供了厚度计中强度和断裂韧性的改进组合。当根据优选实施方案的3阶段方法人工老化时，该合金还实现了优异的SCC性能，包括在海岸条件下。

5. 发明授权

US08083870B2 Aluminum alloy products having improved property combinations and method for artificially aging same 有权
标题翻译：铝合金产品具有改善的性能组合和人造老化方法
公开(公告)号：US08083870B2
公开(公告)日：2011-12-27
申请号：US11052392
申请日：2005-02-07
申请人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
发明人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
IPC分类号： C22C21/10
CPC分类号： C22F1/053 , B22D17/2209 , C22C21/10
摘要： Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg≦(Cu+0.3); and 0.05 to 0.4 wt. % Zr, the balance Al, incidental elements and impurities. Preferably, the alloy contains about 6.9 to 8.5 wt. % Zn; 1.2 to 1.7 wt. % Mg; 1.3 to 2 wt. % Cu. This alloy provides improved combinations of strength and fracture toughness in thick gauges. When artificially aged per the three stage method of preferred embodiments, this alloy also achieves superior SCC performance, including under seacoast conditions.
摘要翻译：适合用于制造航空航天结构部件如整体翼梁，肋骨和腹板的铝合金产品，例如板，锻件和挤压件，包括：约6至10wt。％Zn; 1.2〜1.9重量％％Mg; 1.2〜2.2重量％％Cu，Mg + NlE;（Cu + 0.3）; 和0.05〜0.4重量％％Zr，余量为Al，附带元素和杂质。优选地，合金含有约6.9至8.5wt。％Zn; 1.2〜1.7重量％％Mg; 1.3〜2重量％％Cu。该合金提供了厚度计中强度和断裂韧性的改进组合。当根据优选实施方案的三阶段方法人工老化时，该合金还实现了优异的SCC性能，包括在海岸条件下。

6. 发明授权

US06972110B2 Aluminum alloy products having improved property combinations and method for artificially aging same 有权
标题翻译：铝合金产品具有改善的性能组合和人造老化方法
公开(公告)号：US06972110B2
公开(公告)日：2005-12-06
申请号：US09971456
申请日：2001-10-04
申请人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
发明人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
IPC分类号： C22C21/10 , C22F1/00 , C22F1/053 , C22C22/00
CPC分类号： C22F1/053 , B22D17/2209 , C22C21/10
摘要： Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg≦(Cu+0.3); and 0.05 to 0.4 wt. % Zr, the balance Al, incidental elements and impurities. Preferably, the alloy contains about 6.9 to 8.5 wt. % Zn; 1.2 to 1.7 wt. % Mg; 1.3 to 2 wt. % Cu. This alloy provides improved combinations of strength and fracture toughness in thick gauges. When artificially aged per the three stage method of preferred embodiments, this alloy also achieves superior SCC performance, including under seacoast conditions.
摘要翻译：适合用于制造航空航天结构部件如整体翼梁，肋骨和腹板的铝合金产品，例如板，锻件和挤压件，包括：约6至10wt。％Zn; 1.2〜1.9重量％％Mg; 1.2〜2.2重量％％Cu，Mg <=（Cu + 0.3）; 和0.05〜0.4重量％％Zr，余量为Al，附带元素和杂质。优选地，合金含有约6.9至8.5wt。％Zn; 1.2〜1.7重量％％Mg; 1.3〜2重量％％Cu。该合金提供了厚度计中强度和断裂韧性的改进组合。当根据优选实施方案的三阶段方法人工老化时，该合金还实现了优异的SCC性能，包括在海岸条件下。

7. 发明申请

US20110268603A1 ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND METHOD FOR ARTIFICIALLY AGING SAME 有权
标题翻译：具有改进的物业组合的铝合金制品及其人造纤维的方法
公开(公告)号：US20110268603A1
公开(公告)日：2011-11-03
申请号：US13178339
申请日：2011-07-07
申请人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
发明人： Dhruba J. Chakrabarti , John Liu , Jay H. Goodman , Gregory B. Venema , Ralph R. Sawtell , Cynthia M. Krist , Robert W. Westerlund
IPC分类号： C22C21/10
CPC分类号： C22F1/053 , B22D17/2209 , C22C21/10
摘要： Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg≦(Cu+0.3); and 0.05 to 0.4 wt. % Zr, the balance Al, incidental elements and impurities. Preferably, the alloy contains about 6.9 to 8.5 wt. % Zn; 1.2 to 1.7 wt. % Mg; 1.3 to 2 wt. % Cu. This alloy provides improved combinations of strength and fracture toughness in thick gauges. When artificially aged per the 3-stage method of preferred embodiments, this alloy also achieves superior SCC performance, including under seacoast conditions.
摘要翻译：适合用于制造航空航天结构部件如整体翼梁，肋骨和腹板的铝合金产品，例如板，锻件和挤压件，包括：约6至10wt。％Zn 1.2〜1.9重量％％Mg; 1.2〜2.2重量％％Cu，Mg + NlE;（Cu + 0.3）; 和0.05〜0.4重量％％Zr，余量为Al，附带元素和杂质。优选地，合金含有约6.9至8.5wt。％Zn; 1.2〜1.7重量％％Mg; 1.3〜2重量％％Cu。该合金提供了厚度计中强度和断裂韧性的改进组合。当根据优选实施方案的3阶段方法人工老化时，该合金还实现了优异的SCC性能，包括在海岸条件下。

8. 发明授权

US07097719B2 Aluminum alloy product having improved combinations of properties 无效
标题翻译：具有改进的性能组合的铝合金产品
公开(公告)号：US07097719B2
公开(公告)日：2006-08-29
申请号：US10716073
申请日：2003-11-17
申请人： Gary H. Bray , John Liu , Lynn Eugene Oswald
发明人： Gary H. Bray , John Liu , Lynn Eugene Oswald
IPC分类号： C22C21/10
CPC分类号： C22F1/053 , C22C21/10
摘要： An alloy product having improved fatigue failure resistance, comprising about, by weight, 7.6 to about 8.4% zinc, about 2.0 to about 2.6% copper, about 1.8 to about 2.3% magnesium, about 0.088 to about 0.25.% Zr, about 0.01 to about 0.09.% Fe, and about 0.01 to about 0.06 w % Si the balance substantially aluminum and incidental elements and impurities The alloy product, suitable for aerospace applications, exhibits improved fatigue failure resistance than its 7055 counterpart of similar size, shape, thickness and temper.
摘要翻译：具有改善的耐疲劳破坏性的合金产品，其包含重量约7.6至约8.4％的锌，约2.0至约2.6％的铜，约1.8至约2.3％的镁，约0.088至约0.25％的Zr，约0.01至约0.09％Fe和约0.01至约0.06w％Si，余量基本上为铝和附带的元素和杂质适用于航空航天应用的合金产品比具有类似尺寸，形状，厚度的7055对应物显示出更好的耐疲劳破坏性，脾气。

9. 发明授权

US5865914A Method for making an aerospace structural member 失效
标题翻译：制造航空航天结构件的方法
公开(公告)号：US5865914A
公开(公告)日：1999-02-02
申请号：US909026
申请日：1997-08-11
申请人： Lynette M. Karabin , John Liu , Allison S. Warren , Gary H. Bray
发明人： Lynette M. Karabin , John Liu , Allison S. Warren , Gary H. Bray
IPC分类号： C22C21/16 , C22C21/00
CPC分类号： C22C21/16
摘要： There is claimed a lower wing structure for a commercial jet aircraft which includes a substantially unrecrystallized rolled plate member made from an aluminum alloy consisting essentially of about 3.6 to 4.0 wt. % copper, about 1.0 to 1.6 wt. % magnesium, about 0.3 to 0.7 wt. % manganese, about 0.05 to 0.25 wt. % zirconium, the balance aluminum and incidental elements and impurities. On a preferred basis, the alloy products of this invention include very low levels of both iron and silicon, typically on the order of less than 0.1 wt. % each, and more preferably about 0.05 wt. % or less iron and about 0.03 wt. % or less silicon. This alloy composition may be rolled to form lower wing skin plates and extruded or rolled to form wing box stringers therefrom.
摘要翻译：声称用于商用喷气飞机的下翼结构包括基本上由约3.6至4.0wt。重量的铝合金制成的基本上未再结晶的轧制板构件。％铜，约1.0至1.6wt。％镁，约0.3〜0.7wt。％锰，约0.05至0.25wt。％锆，余量为铝和附带元素和杂质。在优选的基础上，本发明的合金产品包括非常低的铁和硅水平，通常为小于0.1wt。％，更优选约0.05wt。％或更少的铁和约0.03wt。％以下硅。该合金组合物可以被轧制以形成下翼板，并且被挤压或轧制以形成由其形成的翼箱纵梁。

10. 发明授权

US06918975B2 Aluminum alloy extrusions having a substantially unrecrystallized structure 失效
标题翻译：具有基本上未再结晶的铝合金挤压件
公开(公告)号：US06918975B2
公开(公告)日：2005-07-19
申请号：US09821291
申请日：2001-03-29
申请人： John Liu , Gary H. Bray , David A. Lukasak , Robert C. Pahl
发明人： John Liu , Gary H. Bray , David A. Lukasak , Robert C. Pahl
IPC分类号： C22C1/00 , C22C21/16 , C22F1/057
CPC分类号： C22C21/16 , C22F1/057
摘要： A substantially unrecrystallized extrusion comprising about 3.6 to about 4.2 wt. % copper, about 1.0 to about 1.6 wt. % magnesium, about 0.3 to about 0.8 wt. % manganese, about 0.05 to 0.25% zirconium, the balance substantially aluminum, incidental elements and impurities. The extrusion has a longitudinal yield strength of at least about 50 ksi and a longitudinal tensile ultimate strength of at least about 70 ksi. On a preferred basis, the extrusions of this invention include very low levels of both iron and silicon, typically on the order of less than 0.1 wt. % each, and more preferably about 0.05 wt. % or less iron and about 0.03 wt. % or less silicon.
摘要翻译：基本上未再结晶的挤出物，其包含约3.6至约4.2wt。％铜，约1.0至约1.6wt。％镁，约0.3至约0.8wt。％锰，约0.05至0.25％锆，余量基本上为铝，附带元素和杂质。挤出物具有至少约50ksi的纵向屈服强度和至少约70ksi的纵向拉伸极限强度。在优选的基础上，本发明的挤出物包括非常低的铁和硅水平，通常为小于0.1wt。％，更优选约0.05wt。％或更少的铁和约0.03wt。％以下硅。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式