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Cu/single-walled carbon nanotube laminate composites fabricated by cold rolling and annealing

机译：通过冷轧和退火制备的铜/单壁碳纳米管层压复合材料

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The remarkable mechanical, electrical and thermal properties of single-walled carbon nanotubes (SWCNTs) have attracted extensive research interest as structural and functional materials. In particular, SWCNTs have been used to reinforce polymers and ceramic composites and great progress has been made. For metal matrix composites, the limitation of the conventional manufacturing process and the difficulty in dispersing nanotubes within metal matrices hinder the development of metal matrix composites. In this paper, we demonstrate a successful fabrication of Cu/SWCNT laminate composites by combined techniques of cold rolling and annealing, using 19 layers of large-area SWCNT films sandwiched between 20 layers of Cu thin foils. The tensile strength and Young's modulus of the resultant laminate composites are 361 MPa and 132 GPa, respectively, exhibiting an improvement over the comparative pure Cu foils processed under identical conditions. These results suggest that good interfacial adhesions between nanotubes and the Cu matrix have been achieved after the rolling-annealing-rolling processes.
机译：单壁碳纳米管（SWCNT）的卓越的机械，电和热性能已吸引了广泛的结构和功能材料研究兴趣。特别地，SWCNT已经被用于增强聚合物和陶瓷复合材料，并且已经取得了很大的进步。对于金属基复合材料，常规制造工艺的局限性以及将纳米管分散在金属基体内的困难阻碍了金属基复合材料的发展。在本文中，我们展示了通过冷轧和退火相结合的技术成功制造的Cu / SWCNT层压复合材料，该技术使用了夹在20层Cu薄箔之间的19层大面积SWCNT膜。所得层压复合材料的抗张强度和杨氏模量分别为361 MPa和132 GPa，与在相同条件下加工的比较纯铜箔相比，显示出改进。这些结果表明，在轧制-退火-轧制过程之后，已经实现了纳米管和Cu基体之间的良好界面粘合。

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