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    • 66. 发明授权
    • Predetermined concentration graded alloys
    • 预定浓度分级合金
    • US5268235A
    • 1993-12-07
    • US721090
    • 1991-06-20
    • David S. LashmoreMoshe P. Dariel
    • David S. LashmoreMoshe P. Dariel
    • C25D5/10C25D5/50B32B5/14
    • C25D5/50C25D5/10Y10T428/12458Y10T428/12632Y10T428/31678
    • A process for the production of a composition modulated alloy having a predetermined concentration is disclosed, in which alternating layers of at least two metals are successively deposited upon a substrate by electrodeposition, vacuum deposition, vapor deposition, or sputtering. The individual thicknesses of at least one metal's layers are varied in a predetermined manner. Pulsed galvanostatic electrodeposition using a tailored waveform is preferred. A copper-nickel concentration graded alloy is disclosed. Concentration graded alloys of predetermined concentration having at least one region of local homogeneity are also disclosed. The region of local homogeneity has a thickness corresponding to the thickness of two adjacent layers of different metals which have been diffusion annealed together. A pulsed electrodeposition/diffusion anneal process for production of such alloys is also disclosed. An electro-chemical deposition method is also disclosed for the production of a non-layered, continuous concentration graded alloy.
    • 公开了一种制备具有预定浓度的组成调制合金的方法,其中至少两种金属的交替层通过电沉积,真空沉积,气相沉积或溅射连续沉积在基底上。 至少一个金属层的各个厚度以预定的方式变化。 优选使用定制波形的脉冲恒电机电沉积。 公开了一种铜 - 镍浓度梯度合金。 还公开了具有至少一个局部均匀性区域的预定浓度的浓缩分级合金。 局部均匀性的区域具有对应于已经被扩散退火在一起的不同金属的两个相邻层的厚度的厚度。 还公开了用于生产这种合金的脉冲电沉积/扩散退火工艺。 还公开了用于生产非层状连续浓度梯度合金的电化学沉积方法。