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Role of interface tailoring by Cu coating carbon nanotubes to optimize Cu-W composites

机译：铜涂层碳纳米管在界面定制中的作用，以优化铜钨复合材料

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摘要

The effect of interface tailoring by Cu coating carbon nanotubes (CNTs) on the properties of CNTs enhanced copper-tungsten (CNT/Cu-W) composites is investigated. Thermal, electrical, and mechanical properties were measured, and interfacial thermal resistance between Cu and CNT was calculated according to the thermal conductivity curves. CNTs with interface tailoring showed superior dispersion state in the Cu-W composites. When the CNT contents were lower than 0.5 vol %, homogeneous dispersion CNTs and strong interfacial bond between CNTs and Cu had a positive effect on the physical properties of CNT/Cu-W composites. Such interface modification can effectively achieve thermal and electrical conduction, as well as transfer load between CNTs and Cu in the CNT/Cu-W composites. When the CNT contents were higher than 0.5 wt%, the CNT agglomerations became the dominant factor to decrease the physical properties of the composites.
机译：研究了铜包覆碳纳米管（CNT）的界面剪裁对CNT增强铜钨（CNT / Cu-W）复合材料性能的影响。测量了热，电和机械性能，并根据导热系数曲线计算了Cu和CNT之间的界面热阻。具有界面修整功能的CNT在Cu-W复合材料中显示出优异的分散状态。当CNT含量低于0.5vol％时，均匀分散的CNT和CNT与Cu之间的强界面键对CNT / Cu-W复合物的物理性能具有积极影响。这种界面改性可以有效地实现导热和导电，以及在CNT / Cu-W复合材料中CNT与Cu之间的转移负载。当CNT含量高于0.5wt％时，CNT附聚成为降低复合材料物理性能的主要因素。

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  • 来源
    《Journal of Materials Research》 |2015年第24期|3757-3765|共9页
  • 作者

    Pingan Chen; Qiang Shen; Guoqiang Luo; Chuanbing Wang; Meijuan Li; Lianmeng Zhang;

  • 作者单位

    The State Key Lab of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, Hubei Province, China;

    State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei Province, China;

    The State Key Lab of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, Hubei Province, China;

    State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei Province, China;

    State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei Province, China;

    State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei Province, China;

  • 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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