Research Article

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

Figure 12

SEM images of CFRM composite specimens after strength tests (5000 or 1000 times): (a) SiO2-coated carbon fiber and (b) uncoated carbon fiber.
(a)
(b)