Ceramic nanocomposites reinforced with a high volume fraction of carbon nanotubes

Kun Yang , Laifei Cheng , Linan An , Gang Shao

Journal of Wuhan University of Technology Materials Science Edition ›› 2017, Vol. 32 ›› Issue (1) : 47 -50.

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Journal of Wuhan University of Technology Materials Science Edition ›› 2017, Vol. 32 ›› Issue (1) : 47 -50. DOI: 10.1007/s11595-017-1556-3
Advanced Materials

Ceramic nanocomposites reinforced with a high volume fraction of carbon nanotubes

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Abstract

Multi-walled carbon nanotubes (MWNTs) were incorporated into precursor-derived ceramics made from a polysilazane. A ceramic nanocomposite reinforced with about 35 vol% of carbon nanotubes (CNTs) was fabricated by infiltrating CNT-preform with liquid-phased polymeric precursor followed by pyrolysis. The nanocomposite has a dense structure without micro-cracks. The results reveal that the nanocomposite has lower indentation hardness but higher fracture energy than non-reinforced ceramic from the microindentation tests results. The effect of the CNTs on the mechanical properties of the nanocomposite should be discussed accordingly.

Keywords

carbon nanotubes / microindentation / polymer-derived ceramic / SiCN

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Kun Yang, Laifei Cheng, Linan An, Gang Shao. Ceramic nanocomposites reinforced with a high volume fraction of carbon nanotubes. Journal of Wuhan University of Technology Materials Science Edition, 2017, 32(1): 47-50 DOI:10.1007/s11595-017-1556-3

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