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Research Article

Temperature-Dependent Mechanical Properties of Graphene/Cu Nanocomposites with In-Plane Negative Poisson’s Ratios

Table 5

The weight fractions and their corresponding volume fractions (the mass densities of graphene and copper are 4717 kg/m3 and 8960 kg/m3, respectively).

Weight fractionVolume fraction

2.8%5%
3.7%7%
4.8%9%
6.1%11%
7.1%13%