High temperature applications of carbon nanotubes (CNTs) [v]: thermal conductivity of CNTs reinforced silica nanocomposite

Y. Tijjani
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Abstract

Consolidated functionalized carbon nanotubes/silica refractory ceramic nanocomposites (FCNTs/silica) were fabricated by pressureless sintering technique. Thermal conductivity of the nanocomposites with various amounts of carbon nanotubes (0, 1, and 4 wt.%) were investigated. The thermal conductivity increases with temperature, 1 wt. % FCNTs/silica nanocomposite gave the highest thermal conductivity. Therefore, it can be concluded that the carbon nanotubes (CNTs) are promising reinforcement for improving thermal conductivity of the silica refractory ceramics.
碳纳米管(CNTs)的高温应用[v]: CNTs增强二氧化硅纳米复合材料的导热性能
采用无压烧结技术制备了固结功能化碳纳米管/二氧化硅耐火陶瓷纳米复合材料(FCNTs/silica)。研究了不同碳纳米管含量(0、1和4 wt.%)的纳米复合材料的导热性。热导率随温度升高而升高,1 wt. %的FCNTs/二氧化硅纳米复合材料的热导率最高。综上所述,碳纳米管是提高硅基耐火陶瓷导热性能的有效增强材料。
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