Research Progress in Carbon Nanotube Reinforced Ceramic Matrix Composites
The types,preparation methods,properties,and application prospects of carbon nanotube reinforced ceramic matrix composites were summarized.In carbon nanotube reinforced ceramic matrix com-posites,the reinforced materials can be divided into short carbon nanotubes,long carbon nanotubes,sin-gle-walled carbon nanotubes and multi-walled carbon nanotubes.The ceramic matrix is classified into oxide ceramic,carbide ceramic,nitride ceramic,and boride ceramic.The main methods for introducing carbon nanotubes into ceramic matrix include physical mixing,surface modification of carbon nanotubes,wet chemical synthesis,and chemical vapor deposition.The sintering methods of composite materials mainly include atmospheric sintering,hot pressing sintering,vacuum sintering,discharge plasma sintering.Car-bon nanotubes can significantly improve the brittleness of ceramics,enhancing their strength,toughness,electric and thermal conductivity.The composites can be applied in the fields of structural materials,electronic devices,biomedicine and so on.In the future,the research exploration can be carried out in terms of optimization of preparation methods,dispersion of car-bon nanotubes,control of composite interfaces,sustainable development and circular economy,and en-hancement of multifunctionality of materials.
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