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Graphene oxide (GO) was prepared by an improved Hummers method, and nanocrystalline (NC) Ni and Ni/GO foils were prepared by pulsed electrodeposition. This paper mainly investigated the effects of GO in Ni/GO composites. The surface of the prepared GO has many oxygen-containing functional groups and a high aspect ratio. The addition of GO in Ni/GO foils not only effectively lowers the matrix grain...
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