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    • 3. 发明申请
    • HIGH STRENGTH ALUMINUM CASTING ALLOY
    • 高强度铝合金铸件
    • US20120087826A1
    • 2012-04-12
    • US13252729
    • 2011-10-04
    • Oleg N. SenkovSvetlana V. Senkova
    • Oleg N. SenkovSvetlana V. Senkova
    • C22C21/10C22F1/053
    • C22C21/10C22C21/12C22F1/053C22F1/057
    • The present invention discloses a high strength Al—Zn—Mg—Cu (7000 series) alloy that can be cast, the cast alloy having a tensile strength of at least 500 megapascals (MPa) and 4% elongation. The cast alloy composition can include about 5.5-9.0 weight percent (wt. %) of zinc, 2.0-3.5 wt. % of magnesium, 0.1-0.5 wt. % scandium, 0.05-0.20 wt. % zirconium, 0.5-3.0 wt. % copper, 0.10-0.45 wt. % manganese, 0.01-0.35 wt. % iron, 0.01-0.20 wt. % silicon with a balance of aluminum and possible casting impurities. The alloy also has good fluidity comparable to high silicon cast aluminum alloys and components can be manufactured using direct chill casting, sand casting, and/or sand casting under high pressure.
    • 本发明公开了一种可铸造的高强度Al-Zn-Mg-Cu(7000系)合金,该铸造合金具有至少500兆帕(MPa)的拉伸强度和4%的伸长率。 铸造合金组合物可以包括约5.5-9.0重量%(wt。%)的锌,2.0-3.5wt。 %的镁,0.1-0.5wt。 %钪,0.05-0.20wt。 %锆,0.5-3.0重量% %铜,0.10-0.45重量% %锰,0.01-0.35wt。 %铁,0.01-0.20重量% %硅与余量的铝和可能的铸造杂质。 该合金还具有与高硅铸铝合金相当的良好流动性,并且可以在高压下使用直接冷铸,砂铸和/或砂铸制造组分。
    • 4. 发明授权
    • Method of selection of alloy compositions for bulk metallic glasses
    • 选择大量金属玻璃的合金组成的方法
    • US06623566B1
    • 2003-09-23
    • US09939289
    • 2001-08-22
    • Oleg N. SenkovDaniel B. Miracle
    • Oleg N. SenkovDaniel B. Miracle
    • H01F1153
    • C22C45/003C22C30/00C22C45/00H01F1/15341
    • A method for selecting alloying elements for complex, multi-component amorphous metal alloys is provided in which the solvent element is the largest atom with a concentration of 40-80 at %, the second most concentrated element has a radius of 65-83 % the radius of the solvent atom and a concentration of 10-40 at % in the alloy, with other elements selected at lower concentrations. For ternary alloys specified by this invention, the third element must have an atomic radius within 70-92 % of the solvent atom radius. In the preferred embodiment, alloys with four or more elements are specified, where the third elements must have an atomic radius within 70-80 %, the fourth element must have an atomic radius within 80-92 % of the solvent atom radius, and all other solute elements must have atomic radii within 70-92 % of the solvent atom radius. The concentrations of elements that have radii that differ by less than 1 % from one another are added together and treated as a single alloy addition for the purpose of this invention.
    • 提供了一种用于选择复合多组分非晶态金属合金的合金元素的方法,其中溶剂元素是浓度为40-80原子%的最大原子,第二浓度最高的元素的半径为65-83% 溶剂原子的半径,合金中的浓度为10-40at%,其它元素选择的浓度较低。 对于本发明规定的三元合金,第三元素的原子半径必须在溶剂原子半径的70-92%范围内。 在优选实施例中,规定了具有四个或更多个元件的合金,其中第三元素必须具有70-80%的原子半径,第四元素必须具有在溶剂原子半径的80-92%内的原子半径,并且全部 其他溶质元素的原子半径必须在溶剂原子半径的70-92%范围内。 为了本发明的目的,将半径相差小于1%的元素的浓度相加在一起并作为单一合金添加处理。