The structure of carbon fibers based on hydrated cellulose and polyacrylonitrile after heat treatment between 800 and 3000°C and of carbonized fibers based on polyacrylonitrile, submitted to oxidation in air, was investigated. It was established that significant changes in the surface structure occur after heat treatment at 2600°C and above. Structural changes in the carbonized fibers after various degrees of oxidation were demonstrated. Additional data were obtained on the change in the surface structure and the formation of a porous structure in carbon materials during oxidation under certain conditions.
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Translated from Mekhanika Polimerov, No. 5, pp. 925–926, September–October, 1972.
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Fialkov, A.S., Smirnov, B.N., Bondarenko, N.V. et al. Investigation of the structure of carbon fibers by means of the scanning electron microscope. Polymer Mechanics 8, 811–813 (1972). https://doi.org/10.1007/BF00856120
- Electron Microscope
- Scanning Electron Microscope