High-quality Graphene Directly Grown on Cu Nanoparticles for Cu-graphene Nanocomposites

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dc.contributor.authorWang, Shuangyue
dc.contributor.authorHan, Shaobo
dc.contributor.authorXin, Guoqing
dc.contributor.authorLin, Jianliang
dc.contributor.authorWei, Ronghua
dc.contributor.authorLian, Jie
dc.contributor.authorSun, Kai
dc.contributor.authorZu, Xiaotao
dc.contributor.authorYu, Qingkai
dc.date.accessioned2020-04-29T17:02:48Z
dc.date.available2020-04-29T17:02:48Z
dc.date.issued2017-11
dc.description.abstractHigh-quality graphene was directly grown on the surface of Cu nanoparticles (NPs) via chemical vapor deposition (CVD) and then the graphene-covered Cu NPs were consolidated into dense Cu-graphene nanocomposites at different temperature. The surface of Cu NPs is well protected from oxidation due to the coverage of graphene. Nanocomposite consolidated at 650 °C (Cu/G-650) exhibits a hardness of 2.53 GPa with no distinctive different electrical resistivity compared with pure Cu, 2 orders of magnitude decrease in wear rate and 175% improvement in the coefficient of friction (COF) were reported for the Cu/G-650 nanocomposite as compared with pure Cu. The formation of graphene tribofilm is attributed for the effective protection of the Cu matrix from wear.
dc.description.departmentEngineering
dc.formatText
dc.format.extent7 pages
dc.format.medium1 file (.pdf)
dc.identifier.citationWang, S., Han, S., Xin, G., Lin, J., Wei, R., Lian, J., Sun, K., Zu, X., & Yu, Q. (2017). High-quality graphene directly grown on Cu nanoparticles for Cu-graphene nanocomposites. Materials and Design, 139(5), pp. 181-187.
dc.identifier.doihttps://doi.org/10.1016/j.matdes.2017.11.010
dc.identifier.issn0261-3069
dc.identifier.urihttps://hdl.handle.net/10877/9761
dc.language.isoen
dc.publisherElsevier
dc.rights.holder© 2017 Elsevier Ltd.
dc.sourceMaterials and Design, 2017, Vol. 139, No. 5, pp. 181-187.
dc.subjecthigh-quality graphene
dc.subjectCu nanoparticles
dc.subjectnanocomposite
dc.subjectsuperior hardness
dc.subjectwear resistance
dc.subjectIngram School of Engineering
dc.titleHigh-quality Graphene Directly Grown on Cu Nanoparticles for Cu-graphene Nanocomposites
dc.typeArticle

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