Abstract Precipitate strengthening and thermal stability in three component metallic nanolaminate thin films
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Precipitate strengthening and thermal stability in three component metallic nanolaminate thin films

机译：三组分金属纳米层压薄膜的沉淀强化和热稳定性

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摘要

AbstractCu/Ni/Nb tri-layer and CuNi/Nb alloy multilayer films were annealed to examine the microstructural evolution and mechanical properties of three component laminated metallic nanostructures. Scanning transmission electron microscopy showed NixNbycompounds forming on either side of the Nb layer in both tri-layer and alloy films. Post annealing nanoindentation showed all annealing conditions resulted in increased hardness, indicative of the NixNbyintermetallic phase increasing the hardness of the films. The hardness of both films achieves a maximum hardness after annealing for 3h at 300°C. The hardness increase as the annealing temperature increases corresponds to a thicker NixNbylayer at the incoherent boundary. This strengthening technique could be implemented in a variety of different multilayer systems to achieve age-hardenable multilayer metallic nanostructures.
机译： 摘要 x Nb y 化合物在三层膜和合金膜中都有。退火后的纳米压痕表明所有退火条件均导致硬度增加，表明Ni x Nb y 金属间相增加了膜的硬度。在300°C退火3h后，两种膜的硬度均达到最大硬度。硬度随着退火温度的升高而增加，对应于Ni x Nb y 不连贯的边界。可以在各种不同的多层系统中实施这种强化技术，以实现可老化的多层金属纳米结构。

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  • 来源
    《Materials Science and Engineering》 |2018年第17期|485-492|共8页
  • 作者

    R.L. Schoeppner; A.A. Taylor; M.J. Cordill; H.M. Zbib; J. Michler; D.F. Bahr;

  • 作者单位

    Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures,School of Mechanical and Materials Engineering, Washington State University;

    Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures;

    Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, and Department of Material Physics, Montanuniversität Leoben;

    School of Mechanical and Materials Engineering, Washington State University;

    Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures;

    School of Materials Engineering, Purdue University;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Annealing; Nanoindentation; TEM; Multilayers; Intermetallics;

    机译：退火;纳米压痕;TEM;多层;金属间化合物;

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