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Microcompression study of Al-Nb nanoscale multilayers

机译：Al-Nb纳米多层膜的微压缩研究

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摘要

Microcompression tests were performed on the Al/Nb multilayers of incoherent interfaces with the layer thicknesses of 5 nm Al/5 nm Nb and 50 nm Al/50 nm Nb. The Al-Nb multilayers showed increase in strength as the layer thickness was reduced; the average flow stresses at 5% plastic strain from the 5 nm Al/5 nm Nb and 50 nm Al/50 nm Nb layer thickness specimens were determined to be 2.1 GPa and 1.4 GPa respectively. The results from this Al-Nb micro-compression study were compared with those of the previous report on Cu-Nb multilayer microcompression results that indicated that the flow stresses of the Al-Nb multilayer are lower than those of Cu-Nb with the same bilayer spacing. The observed difference in strength was attributed to a potential difference in the interfacial strength of the two incoherent multilayer systems.
机译：对非相干界面的Al / Nb多层膜进行了微压缩测试，其层厚度为5 nm Al / 5 nm Nb和50 nm Al / 50 nm Nb。随着层厚度的减小，Al-Nb多层膜显示出强度的增加。从5 nm Al / 5 nm Nb和50 nm Al / 50 nm Nb层厚度的样品在5％塑性应变下的平均流应力分别确定为2.1 GPa和1.4 GPa。该Al-Nb微压缩研究的结果与先前关于Cu-Nb多层微压缩结果的报告的结果进行了比较，该结果表明Al-Nb多层的流应力低于相同双层的Cu-Nb的流应力。间距。观察到的强度差异归因于两个非相干多层系统界面强度的潜在差异。

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  • 来源
    《Journal of Materials Research》 |2012年第3期|p.592-598|共7页
  • 作者

    Youbin Kim; Arief Suriadi Budiman; J. Kevin Baldwin; Nathan A. Mara; Amit Misra; Seung Min Han;

  • 作者单位

    Graduate School of EEWS, Korea Advanced Institute of Science and Technology, Yuseong Gu,Daejeon 305-701, Republic Korea;

    Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory (LANL),Los Alamos, New Mexico 87545;

    Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory (LANL),Los Alamos, New Mexico 87545;

    Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory (LANL),Los Alamos, New Mexico 87545;

    Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory (LANL),Los Alamos, New Mexico 87545;

    Graduate School of EEWS, Korea Advanced Institute of Science and Technology, Yuseong Gu,Daejeon 35-701, Republic Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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