Figure 2From: Sensitivity of Dielectric Properties to Wear Process on Carbon Nanofiber/High-Density Polyethylene CompositesOptical microscopy images (1st row ), FESEM micrographs of surfaces of HDPE nanocomposite specimens for wear testing: reinforced by ox-CNFs: a, e, i; silanized CNFs with 1.2-nm coating thickness: b, f, j; silanized CNFs with 2.8-nm coating thickness: c, g, k; silanized CNFs with 46-nm coating thickness: d, h, l.Back to article page