The Influence of Irradiation and Accelerated Aging on the Mechanical and Tribological Properties of the Graphene Oxide/Ultra-High-Molecular-Weight Polyethylene Nanocomposites

Figure 6

Optical scratching images of test samples (×20): (a) UHMWPE; (b) GO/UHMWPE nanocomposites; (c) irradiated UHMWPE; (d) irradiated GO/UHMWPE nanocomposites; (e) irradiated + aged UHMWPE; (f) irradiated + aged GO/UHMWPE nanocomposites.

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