Advances in Civil Engineering / 2020 / Article / Fig 4

Research Article

Mechanical Properties of SiO2-Coated Carbon Fiber-Reinforced Mortar Composites with Different Fiber Lengths and Fiber Volume Fractions

Figure 4

Surface topography of carbon fibers (20000 times): (a) uncoated carbon fiber, (b) nitric acid-treated carbon fiber, and (c) SiO2-coated carbon fiber.
(a)
(b)
(c)

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