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采用分子级混合工艺提高石墨烯/铜纳米复合材料的力学性能。

Enhanced mechanical properties of graphene/copper nanocomposites using a molecular-level mixing process.

机构信息

Department of Materials Science and Engineering, KAIST, Graphene Research Center(GRC), KAIST Institute for the NanoCentury, 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, Republic of Korea.

出版信息

Adv Mater. 2013 Dec 10;25(46):6724-9. doi: 10.1002/adma.201302495. Epub 2013 Aug 25.

DOI:10.1002/adma.201302495
PMID:23983045
Abstract

RGO flakes are homogeneously dispersed in a Cu matrix through a molecular-level mixing process. This novel fabrication process prevents the agglomeration of the RGO and enhances adhesion between the RGO and the Cu. The yield strength of the 2.5 vol% RGO/Cu nanocomposite is 1.8 times higher than that of pure Cu. The strengthening mechanism of the RGO is investigated by a double cantilever beam test using the graphene/Cu model structure.

摘要

RGO 薄片通过分子水平混合过程均匀分散在 Cu 基体中。这种新颖的制造工艺防止了 RGO 的团聚，并增强了 RGO 与 Cu 之间的附着力。2.5 体积%RGO/Cu 纳米复合材料的屈服强度比纯 Cu 提高了 1.8 倍。通过使用石墨烯/Cu 模型结构的双悬臂梁试验研究了 RGO 的强化机制。

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