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A novel braking material, C/C–ZrB2–ZrC–SiC carbon fibre-reinforced hybrid ceramic matrix composite, was prepared by chemical vapour infiltration and polymeric precursor infiltration and pyrolysis. Investigation of the microstructure of C/C–ZrB2–ZrC–SiC composite showed the homogenous dispersion of three-phase ceramic as the matrix. The frictional properties of the hybrid C/C–ZrB2–ZrC–SiC ceramic matrix composite were measured by a disk-on-disk type dynamometer under dry and wet conditions to simulate the normal landing state of aircraft brake disk friction pairs. C/C–ZrB2–ZrC–SiC ceramic matrix composite has a higher and more stable friction coefficient under wet condition than under dry condition, indicating that the composite has better performance compared with C/C or C/C–SiC braking materials.


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Frictional response of a novel C/C–ZrB2–ZrC–SiC composite under simulated braking

Show Author's information Yangbao QIAN*( )Weigang ZHANGMin GEXi WEI
State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, No. 1 Beiertiao, Beijing 100190, China

Abstract

A novel braking material, C/C–ZrB2–ZrC–SiC carbon fibre-reinforced hybrid ceramic matrix composite, was prepared by chemical vapour infiltration and polymeric precursor infiltration and pyrolysis. Investigation of the microstructure of C/C–ZrB2–ZrC–SiC composite showed the homogenous dispersion of three-phase ceramic as the matrix. The frictional properties of the hybrid C/C–ZrB2–ZrC–SiC ceramic matrix composite were measured by a disk-on-disk type dynamometer under dry and wet conditions to simulate the normal landing state of aircraft brake disk friction pairs. C/C–ZrB2–ZrC–SiC ceramic matrix composite has a higher and more stable friction coefficient under wet condition than under dry condition, indicating that the composite has better performance compared with C/C or C/C–SiC braking materials.

Keywords:

ceramic matrix composite, brake materials, abrasion, braking testing
Received: 25 January 2013 Revised: 12 March 2013 Accepted: 14 March 2013 Published: 04 June 2013 Issue date: June 2013
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Publication history

Received: 25 January 2013
Revised: 12 March 2013
Accepted: 14 March 2013
Published: 04 June 2013
Issue date: June 2013

Copyright

© The author(s) 2013

Acknowledgements

This work was funded by the National Natural Science Foundation of China (Grant No. 51102236).

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Open Access: This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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