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    • 1. 发明申请
    • Method for producing a high damage tolerant aluminium alloy
    • 高耐损铝合金的制造方法
    • US20060032560A1
    • 2006-02-16
    • US10976154
    • 2004-10-29
    • Rinze BenedictusAlfred HeinzChristian KeidelAlfred HaszlerGuido Weber
    • Rinze BenedictusAlfred HeinzChristian KeidelAlfred HaszlerGuido Weber
    • C22F1/04
    • C22F1/04
    • The present invention relates to a method of producing a high damage tolerant aluminium alloy rolled product a high toughness and an improved fatigue crack growth resistance, including the steps of: a.) casting an ingot having a composition selected from the group comprising AA2000, AA5000, AA6000, and AA7000-series alloys; b.) homogenising and/or pre-heating the ingot after casting; c.) hot rolling the ingot into a hot rolled product and optionally cold rolling the hot rolled product into a cold rolled product, wherein the hot rolled product leaves the hot rolling mill at an hot-mill exit temperature (TExit) and cooling the hot rolled product from the TExit to 150° C. or lower with a controlled cooling cycle with a cooling rate falling within the range defined by: T(t)=50−(50−TExit)eαt and wherein T(t) is the temperature (° C.) as function in time (hrs), t is the time (hours) and α is in the range of −0.09±0.05 (hrs−1).
    • 本发明涉及一种生产具有高韧性和改善的耐疲劳裂纹扩展性的高耐损伤铝合金轧制产品的方法,包括以下步骤:a)铸造具有选自AA2000,AA5000 ,AA6000和AA7000系列合金; b)铸造后均质化和/或预加热锭; c。)将锭热轧成热轧产品,并且可选地将热轧产品冷轧成冷轧产品,其中热轧产品在热轧出口温度(T < / SUB>),并且将热轧产品从T 冷却至150℃或更低,其中冷却速度处于由下列限定的范围内的冷却循环:T(t)= 50 其中T(t)是时间(小时)的函数的温度(℃),t是时间(小时) 小时),α在-0.09±0.05(小时-1)的范围内。
    • 8. 发明申请
    • High-damage tolerant alloy product in particular for aerospace applications
    • 高损伤耐磨合金产品,特别适用于航空航天应用
    • US20050081965A1
    • 2005-04-21
    • US10855560
    • 2004-05-28
    • Rinze BenedictusChristian KeidelAlfred HeinzHinrich Hargarter
    • Rinze BenedictusChristian KeidelAlfred HeinzHinrich Hargarter
    • B64C1/12B64C3/26C22C21/12C22C21/14C22C21/16C22C21/18C22F1/057
    • C22F1/057C22C21/16
    • The invention relates to an aluminium alloy wrought product with high strength and fracture toughness and high fatigue resistance and low fatigue crack growth rate, and having a composition for the alloy comprising, in weight %, about 0.3 to 1.0% magnesium (Mg), about 4.4 to 5.5% copper (Cu), about 0 to 0.20% iron (Fe), about 0 to 0.20% silicon (Si), about 0 to 0.40% zinc (Zn), and Mn in a range 0.15 to 0.8 as a dispersoids forming element in combination with one or more of dispersoids forming elements selected from the group consisting of: (Zr, Sc, Cr, Hf, Ag, Ti, V), in ranges of: about 0 to 0.5% zirconium (Zr), about 0 to 0.7% scandium (Sc), about 0 to 0.4% chromium (Cr), about 0 to 0.3% hafnium (Hf), about 0 to 0.4% titanium (Ti), about 0 to 1.0% silver (Ag), the balance being aluminium (Al) and other incidental elements, and whereby there is a limitation of the Cu—Mg content such that −1.1[Mg]+5.38≦[Cu]≦5.5. The invention further relates to a method of manufacturing such a product.
    • 本发明涉及一种具有高强度和断裂韧性以及高抗疲劳性和低疲劳裂纹生长速率的铝合金锻造产品,并且具有合金组成,其中重量%为约0.3至1.0%的镁(Mg)约为 大约0至0.20%的铁(Fe),约0至0.20%的硅(Si),约0至0.40%的锌(Zn),以及分散相中的0.15至0.8的Mn 与(Zr,Sc,Cr,Hf,Ag,Ti,V)组成的组中的一种或多种形成元素的组分形成元素,其范围为:约0至0.5%的锆(Zr),约 0至0.7%的钪(Sc),约0至0.4%的铬(Cr),约0至0.3%的铪(Hf),约0至0.4%的钛(Ti),约0至1.0%的银(Ag) 余量为铝(Al)和其他附带元素,由此存在Cu-Mg含量的限制,使得-1.1 [Mg] +5.38 <= [Cu] = 5.5。 本发明还涉及制造这种产品的方法。