AGING OF ALUMINUM ALLOYS FOR IMPROVED COMBINATION OF FATIGUE PERFORMANCE AND STRENGTH
    1.
    发明申请
    AGING OF ALUMINUM ALLOYS FOR IMPROVED COMBINATION OF FATIGUE PERFORMANCE AND STRENGTH 有权
    铝合金老化改善疲劳性能和强度的组合

    公开(公告)号:US20120325382A1

    公开(公告)日:2012-12-27

    申请号:US13604432

    申请日:2012-09-05

    IPC分类号: C22F1/057

    CPC分类号: C22F1/04 C22C21/00 C22F1/057

    摘要: Aluminum alloys having an improved combination of properties are provided. In one aspect, a method for producing the alloy includes preparing an aluminum alloy for artificial aging and artificially aging the alloy. In one embodiment, the artificially aging step includes aging the aluminum alloy at a temperature of at least about 250° F., and final aging the aluminum alloy at a temperature of not greater than about 225° F. and for at least about 20 hours.

    摘要翻译: 提供具有改进的性能组合的铝合金。 一方面,合金的制造方法包括制备用于人造时效的铝合金并人工老化合金。 在一个实施方案中,人造老化步骤包括在至少约250°F的温度下老化铝合金,并在不大于约225°F的温度下使铝合金最终老化并持续至少约20小时 。

    AGING OF ALUMINUM ALLOYS FOR IMPROVED COMBINATION OF FATIGUE PERFORMANCE AND STRENGTH
    3.
    发明申请
    AGING OF ALUMINUM ALLOYS FOR IMPROVED COMBINATION OF FATIGUE PERFORMANCE AND STRENGTH 有权
    铝合金老化改善疲劳性能和强度的组合

    公开(公告)号:US20100180992A1

    公开(公告)日:2010-07-22

    申请号:US12355515

    申请日:2009-01-16

    IPC分类号: C22F1/04 C22C21/00

    CPC分类号: C22F1/04 C22C21/00 C22F1/057

    摘要: Aluminum alloy having an improved combination of properties are provided. In one aspect, a method for producing the alloy includes preparing an aluminum alloy for artificial aging and artificially aging the alloy. In one embodiment, the artificially aging step includes aging the aluminum alloy at a temperature of at least about 250° F., and final aging the aluminum alloy at a temperature of not greater than about 225° F. and for at least about 20 hours. These aluminum alloys realize an improved combination of properties, including improved strength with at least equivalent fatigue crack growth resistance.

    摘要翻译: 提供具有改进的性能组合的铝合金。 一方面,合金的制造方法包括制备用于人造时效的铝合金并人工老化合金。 在一个实施方案中,人造老化步骤包括在至少约250°F的温度下老化铝合金,并在不大于约225°F的温度下使铝合金最终老化并持续至少约20小时 。 这些铝合金实现了改进的性能组合,包括提高至少相当的疲劳裂纹扩展阻力的强度。

    Aging of aluminum alloys for improved combination of fatigue performance and strength
    4.
    发明授权
    Aging of aluminum alloys for improved combination of fatigue performance and strength 有权
    铝合金的老化改善疲劳性能和强度的组合

    公开(公告)号:US08333853B2

    公开(公告)日:2012-12-18

    申请号:US12355515

    申请日:2009-01-16

    IPC分类号: C22F1/04 C22F1/057

    CPC分类号: C22F1/04 C22C21/00 C22F1/057

    摘要: Aluminum alloy having an improved combination of properties are provided. In one aspect, a method for producing the alloy includes preparing an aluminum alloy for artificial aging and artificially aging the alloy. In one embodiment, the artificially aging step includes aging the aluminum alloy at a temperature of at least about 250° F., and final aging the aluminum alloy at a temperature of not greater than about 225° F. and for at least about 20 hours. These aluminum alloys realize an improved combination of properties, including improved strength with at least equivalent fatigue crack growth resistance.

    摘要翻译: 提供具有改进的性能组合的铝合金。 一方面,合金的制造方法包括制备用于人造时效的铝合金并人工老化合金。 在一个实施方案中,人造老化步骤包括在至少约250°F的温度下老化铝合金,并在不大于约225°F的温度下使铝合金最终老化并持续至少约20小时 。 这些铝合金实现了改进的性能组合,包括提高至少相当的疲劳裂纹扩展阻力的强度。

    Aluminum-copper-magnesium alloys having ancillary additions of lithium
    5.
    发明授权
    Aluminum-copper-magnesium alloys having ancillary additions of lithium 有权
    具有辅助添加锂的铝 - 铜 - 镁合金

    公开(公告)号:US07438772B2

    公开(公告)日:2008-10-21

    申请号:US10678290

    申请日:2003-10-03

    IPC分类号: C22C21/12

    CPC分类号: C22C21/16

    摘要: An aluminum-copper-magnesium alloy having ancillary additions of lithium. The alloy composition includes from about 3 to about 5 weight percent Cu, from about 0.5 to about 2 weight percent Mg, and from about 0.01 to about 0.9 weight percent Li. The combined amount of Cu and Mg is maintained below a solubility limit of the aluminum alloy. The alloys possess improved combinations of fracture toughness and strength, and also exhibit good fatigue crack growth resistance.

    摘要翻译: 具有辅助添加锂的铝 - 铜 - 镁合金。 合金组成包括约3至约5重量%的Cu,约0.5至约2重量%的Mg和约0.01至约0.9重量百分比的Li。 Cu和Mg的组合量保持在铝合金的溶解度极限以下。 该合金具有改善的断裂韧性和强度的组合,并且还表现出良好的疲劳裂纹扩展性。

    ALUMINUM-COPPER-MAGNESIUM ALLOYS HAVING ANCILLARY ADDITIONS OF LITHIUM
    6.
    发明申请
    ALUMINUM-COPPER-MAGNESIUM ALLOYS HAVING ANCILLARY ADDITIONS OF LITHIUM 审中-公开
    具有锂离子添加剂的铝 - 铜 - 镁合金

    公开(公告)号:US20090010798A1

    公开(公告)日:2009-01-08

    申请号:US12211515

    申请日:2008-09-16

    CPC分类号: C22C21/16

    摘要: An aluminum-copper-magnesium alloy having ancillary additions of lithium. The alloy composition includes from about 3 to about 5 weight percent Cu, from about 0.5 to about 2 weight percent Mg, and from about 0.01 to about 0.9 weight percent Li. The combined amount of Cu and Mg is maintained below a solubility limit of the aluminum alloy. The alloys possess improved combinations of fracture toughness and strength, and also exhibit good fatigue crack growth resistance.

    摘要翻译: 具有辅助添加锂的铝 - 铜 - 镁合金。 合金组成包括约3至约5重量%的Cu,约0.5至约2重量%的Mg和约0.01至约0.9重量百分比的Li。 Cu和Mg的组合量保持在铝合金的溶解度极限以下。 该合金具有改善的断裂韧性和强度的组合,并且还表现出良好的疲劳裂纹扩展性。