Fabrication and ultra-high-temperature properties of lightweight carbon-bonded carbon fiber composites
作者： Yanfei Chen , Yunong Zhao , Debao Liu , Ran Tao , Tianbao Cheng
DOI: 10.1016/J.CERAMINT.2019.07.250
关键词:
摘要: Abstract Carbon bonded carbon fiber (CBCF) composites with different volume fractions (FVFs) are prepared. This paper mainly investigates the effect of FVFs and ultra-high temperature on mechanical thermal properties CBCF composites. Experimental results show that microstructure is anisotropic, random distribution in xy direction layering z direction. With higher FVFs, modulus fracture strength higher. The greatly than direction, because more fibers bear load. Elastoplastic behavior stress-strain curves observed which attributed to compression porosity gap. Especially, at temperature, plastic hardening remarkable. In addition, conductivities characterized, increase exponentially temperature.
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