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81.发明授权Strength enhancement of rapidly solidified aluminum-lithium through double aging 失效通过双重老化快速固化铝锂的强度提高
公开(公告)号：US5178695A
公开(公告)日：1993-01-12
申请号：US782951
申请日：1991-10-25
摘要： A component consolidated from a rapidly solidified aluminum-lithium alloy containing copper, magnesium and zirconium is subjected to a preliminary aging treatment at a temperature of about 400.degree. C. to 500.degree. C. for a time period of about 0.5 to 10 hours; quenched in a fluid bath; and subjected to a final aging treatment at a temperature of about 100.degree. C. to 250.degree. C. for a time period ranging up to about 40 hours. The component exhibits increased strength and elongation, and is especially suited for use in lightweight structural parts for land vehicles and aerospace applications.
摘要翻译： 将从含有铜，镁和锆的快速固化的铝 - 锂合金固结的组分在约400℃至500℃的温度下进行约0.5至10小时的预熟化处理; 在流体浴中淬火; 并在约100℃至250℃的温度下进行最终时效处理达约40小时的时间。 该部件具有增加的强度和伸长率，并且特别适用于陆上车辆和航空应用的轻型结构部件。
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公开(公告)号：US5137686A
公开(公告)日：1992-08-11
申请号：US149802
申请日：1988-01-28
摘要： Disclosed is an aluminum base alloy suitable for forming into a wrought product having improved combinations of strength, corrosion resistance and fracture toughness. The alloy is comprised of 0.2 to 5.0 wt. % Li, 0.05 to 6.0 wt. % Mg, at least 2.45 wt. % Cu, 0.01 to 0.16 wt. % Zr, 0.05 to 12 wt. % Zn, 0.5 wt. % max. Fe, 0.5 wt. % max. Si, the balance aluminum and incidental impurities.
摘要翻译： 公开了一种适合于形成具有改进的强度，耐腐蚀性和断裂韧性组合的锻造产品的铝基合金。 该合金由0.2〜5.0重量％ ％Li，0.05〜6.0重量％ ％Mg，至少2.45wt。 ％Cu，0.01〜0.16wt。 ％Zr，0.05〜12wt。 ％Zn，0.5wt。 最大％ Fe，0.5wt。 最大％ Si，余量为铝和杂质。
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公开(公告)号：US4915747A
公开(公告)日：1990-04-10
申请号：US214857
申请日：1988-07-01
申请人： Chul W. Cho
发明人： Chul W. Cho
摘要： Disclosed is a method of producing an unrecrystallized, thin gauge cold rolled aluminum-lithium sheet product having improved levels of strength and fracture toughness. The method comprises the steps of providing a body of a lithium containing aluminum base alloy, heating the body to a hot rolling temperature, and hot rolling the body to a first intermediate sheet product. After cold rolling to a second intermediate thickness, the sheet product is reheated and hot rolled to produce a final sheet product while avoiding substantial recrystallization there, the hot rolling adapted to relieve stored energy capable of initiating recrystallization during a subsequent heat treating step. Thereafter, the sheet product is solution heat treated, quenched and aged to provide a substantially unrecrystallized product having improved levels of strength and fracture toughness.
摘要翻译： 公开了一种生产具有改进的强度和断裂韧性水平的未再结晶的薄压缩冷轧铝 - 锂板产品的方法。 该方法包括以下步骤：提供一种含铝的铝基合金体，将本体加热至热轧温度，并将本体热轧成第一中间片产品。 在冷轧至第二中间厚度之后，片材产品被再加热和热轧以产生最终的片材产品，同时避免在那里发生显着的再结晶，热轧适于在随后的热处理步骤中释放能够引发再结晶的储能。 此后，片材产品进行固溶热处理，淬火和老化，以提供具有改善的强度和断裂韧性水平的基本上未再结晶的产品。
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84.发明授权Process for producing duplex mode recrystallized high strength aluminum-lithium alloy products with high fracture toughness and method of making the same 失效具有高断裂韧性的双相模式再结晶高强度铝锂合金产品的制造方法及其制造方法
公开(公告)号：US4816087A
公开(公告)日：1989-03-28
申请号：US36735
申请日：1987-04-10
申请人： Chul W. Cho
发明人： Chul W. Cho
摘要： A method of producing a recrystallized aluminum-lithium product having improved levels of strength and fracture toughness is disclosed. The method comprises the steps of: providing a lithium-containing aluminum base alloy comprised of 0.5 to 4.0 wt. % Li, 0 to 5.0 wt. % Cu, 0 to 5.0 wt. % Mg, 0.10 to 1.0 wt. % of a grain structure control element selected from the class consisting of Zr, Cr, Hf, Ti, V, Sc, and Mn, 0.5 wt. % max. Fe, and 5 wt. % max. Si, with the balance consisting essentially of aluminum and incidental elements and impurities; heating the body to a high presoak temperature to homogenize the alloy; cooling the alloy to a first hot working temperature; reheating the alloy, after hot working, back to a high annealing temperature; cooling the alloy to a second hot working temperature to produce a first product; reheating the alloy to a lower annealing temperature; and then cold working the alloy. The cold worked product is solution heat treated, quenched and aged to provide a substantially dual mode recrystallized sheet product having improved levels of strength and fracture toughness and further characterized by a fine grain structure adjacent the surface of the alloy product and a coarse grain structure in the interior thereof.
摘要翻译： 公开了一种生产具有改善的强度和断裂韧性水平的重结晶的铝锂产品的方法。 该方法包括以下步骤：提供含有0.5〜4.0重量％ ％Li，0〜5.0wt。 ％Cu，0〜5.0wt。 ％Mg，0.10〜1.0wt。 选自Zr，Cr，Hf，Ti，V，Sc和Mn的晶粒结构控制元素的％，0.5wt。 最大％ Fe和5wt。 最大％ Si，余量基本上由铝和附带元素和杂质组成; 将身体加热到高预浸温度以使合金均匀化; 将合金冷却至第一热工作温度; 再加热合金，热加工后，回到高退火温度; 将合金冷却至第二热加工温度以产生第一产品; 将合金再加热到较低的退火温度; 然后冷加工合金。 冷加工产品经过固溶热处理，淬火和老化，以提供具有改进的强度和断裂韧性水平的基本上双模式的再结晶片材产品，其特征还在于邻近合金产品表面的细晶粒结构和粗晶粒结构 其内部。
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公开(公告)号：US4790884A
公开(公告)日：1988-12-13
申请号：US20600
申请日：1987-03-02
摘要： Disclosed is a method of making aluminum base alloy flat rolled product substantially free of Luder's lines after stretching, the method comprising the steps of providing a body of a lithium-containing aluminum base alloy and working the body to produce a flat rolled product prior to solution heat treating and quenching. The flat rolled product is preaged for a time and temperature which does not substantially affect mechanical properties but which permits stretching the flat rolled product without formation of Luder's lines. Thereafter, the preage flat rolled product is stretched and aged to a condition having a substantially stable level of mechanical properties.
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公开(公告)号：US4596609A
公开(公告)日：1986-06-24
申请号：US589520
申请日：1984-03-14
申请人： Elliott H. Rennhack
发明人： Elliott H. Rennhack
摘要： A thermomechanical method for forging a precipitation-hardenable aluminum alloy workpiece comprises the steps of: (1) solution heat treating the workpiece to achieve a substantially homnogeneous supersaturated solid solution of the alloy throughout the workpiece; (2) partially aging the workpiece at a temperature sufficient to cause second-phase precipitate particles to form in the workpiece, the aging of the workpiece continuing until the precipitate particles acquire a size sufficient to restrict dislocation movement in the workpiece during subsequent forging without substantially hindering workability of the alloy; and (3) mechanically working the workpiece isothermally at the temperature at which aging of the workpiece occurred.
摘要翻译： 用于锻造沉淀可硬化的铝合金工件的热机械方法包括以下步骤：（1）对工件进行固溶热处理，以获得合金在整个工件上的基本均匀的过饱和固溶体; （2）在足以在工件中形成第二相沉淀物颗粒的温度下部分地老化工件，工件的老化持续直到沉淀颗粒获得足够大的尺寸，以在随后的锻造期间基本上抑制工件中的位错运动 阻碍合金的可加工性; 和（3）在工件发生老化的温度下等温进行机械加工。
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公开(公告)号：US4045254A
公开(公告)日：1977-08-30
申请号：US537393
申请日：1974-12-30
申请人： Akio Deguchi
发明人： Akio Deguchi
摘要： A method for providing a toughening treatment for metallic material is herein described, which method is characterized in that the metallic material is subjected to a transformation super-plastic treatment by applying a mechanical load to said material while placing the same under a triangular-wave temperature cycle passing over a transformation point.
摘要翻译： 本文描述了一种用于对金属材料进行增韧处理的方法，该方法的特征在于，通过对所述材料施加机械载荷，同时将金属材料置于三角波温度下，对金属材料进行变形超塑性处理 循环经过一个转换点。
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89.发明授权Products forged in aluminum alloys with improved mechanical characteristics and a method for obtaining same 失效具有改进的机械特性的锻造铝合金的产品及其获得方法
公开(公告)号：US4019927A
公开(公告)日：1977-04-26
申请号：US535738
申请日：1974-12-23
摘要： The invention relates to products forged in aluminum based alloys with a very low hydrogen content. These products are endowed with an isotropic structure of equi-axial grains, which furnish mechanical features substantially equal in all directions and they have a particularly low critical hardening speed. They are obtained by heat treatment at a temperature slightly higher than the temperature of the solid state. They allow a substantial lightening of certain parts, particularly in aeronautic constructions and the application of hardening in boiling water or even in air without substantial reduction of the mechanical characteristics.
摘要翻译： 本发明涉及具有非常低氢含量的铝基合金锻造的产品。 这些产品具有等轴晶粒的各向同性结构，其提供在所有方向上基本相等的机械特征，并且具有特别低的临界硬化速度。 它们通过在稍高于固态温度的温度下进行热处理获得。 它们允许某些部件的显着减轻，特别是在航空结构中，以及在沸水或甚至空气中施加硬化，而不显着降低机械特性。
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公开(公告)号：US3826688A
公开(公告)日：1974-07-30
申请号：US27760572
申请日：1972-08-03
申请人： REYNOLDS METALS CO
发明人： LEVY S
CPC分类号： C22F1/057
摘要： WROUGHT ARTICLES OF AL-CU-MG ALLOY CONTAINING UP TO ABOUT 5% COPPER AND UP TO ABOUT 2% MAGNESIUM AS THE PRINCIPAL ALLOYING ELEMENTS BY WEIGHT, WITHIN LIMITS EFFECTIVE TO ACHIEVE SUBSTANTIALLY SINGLE PHASE STRUCTURE, AND EXHIBITING IMPROVED FRACTURE TOUGHNESS IN T8XX CONDITION; ALSO, RELATED PRACTICES AND IMPROVED ALLOY COMPOSITIONS FOR MAKING SUCH ARTICLES, INCLUDING PLATE.
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