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    • 1. 发明授权
    • Method for producing a titanium-base alloy having an oxide dispersion therein
    • 一种其中具有氧化物分散体的钛基合金的制造方法
    • US07763127B2
    • 2010-07-27
    • US11351226
    • 2006-02-09
    • Andrew P. WoodfieldClifford E. ShamblenEric A. OttMichael F. Gigliotti
    • Andrew P. WoodfieldClifford E. ShamblenEric A. OttMichael F. Gigliotti
    • C22C14/00
    • B22F9/24B22F3/001B22F9/18B22F9/20B22F9/28C22C1/10C22C32/0031C22C2001/1089
    • A metallic article is prepared by first furnishing at least one nonmetallic precursor compound, wherein all of the nonmetallic precursor compounds collectively containing the constituent elements of the metallic article in their respective constituent-element proportions. The constituent elements together form a titanium-base alloy having a stable-oxide-forming additive element therein, such as magnesium, calcium, scandium, yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium, and mixtures thereof. The stable-oxide-forming additive element forms a stable oxide in a titanium-based alloy. At least one additive element is present at a level greater than its room-temperature solid solubility limit in the titanium-base alloy. The precursor compounds are chemically reduced to produce an alloy material, without melting the alloy material. The alloy material may be consolidated. The alloy material, or consolidated metallic article, is thereafter desirably exposed to an oxygen-containing environment at a temperature greater than room temperature.
    • 通过首先提供至少一种非金属前体化合物制备金属制品,其中所有非金属前体化合物以其各自的构成元素比例共同含有金属制品的组成元素。 组成元素一起形成其中具有稳定氧化物形成添加元素的钛基合金,例如镁,钙,钪,钇,镧,铈,镨,钕,ium,钐,铕,钆,铽,镝 ,钬,铒,ium,镱和镥,及其混合物。 稳定氧化物形成添加元素在钛基合金中形成稳定的氧化物。 在钛基合金中,至少一种添加元素的含量大于其室温固溶度极限。 前体化合物被化学还原以产生合金材料,而不熔化合金材料。 合金材料可以被固结。 之后,合金材料或固结的金属制品在大于室温的温度下暴露于含氧环境中。