Microstructures and Mechanical Properties of Zirconium Dioxide Modified Carbon/Carbon Composites

Zhao Qian Li; Bo Hua Nan; Guan Xiang Feng; Dong Dong Hao

doi:10.4028/www.scientific.net/AMR.1120-1121.599

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1120-1121Microstructures and Mechanical Properties of...

Microstructures and Mechanical Properties of Zirconium Dioxide Modified Carbon/Carbon Composites

Abstract:

To improve the preparation technology and mechanical properties of carbon/carbon composites, a kind of Zirconium dioxide modified Carbon/carbon (C/C–ZrO2) composites were prepared by Sol-Gel Process combined with isothermal chemical vapor infiltration (ICVI) method. This method could shorten preparation cycle greatly to reduce the cost. The microstructures and mechanical properties of the C/C–ZrO2 composites were investigated. The results indicate that the ZrO2 modified phase is uniformly distributed in the carbon matrix, the bending strength and modulus of C/C–ZrO2 composites are much higher than unmodified C/C composites due to its particle toughening and fiber toughening.

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Periodical:

Advanced Materials Research (Volumes 1120-1121)

Pages:

599-603

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1120-1121.599

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Online since:

July 2015

Authors:

Zhao Qian Li, Bo Hua Nan, Guan Xiang Feng, Dong Dong Hao

Keywords:

ICVI, Mechanical Properties, Microstructures, Sol-Gel Process, Zirconium Dioxide

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