Paper Title:
Thermal Shock Stability of Large Size ZrB2 Ceramic Matrix Composite Material
  Abstract

Thermal shock stability for ZrB2-SiCp-Graphite(ZSC) and ZrB2-SiCp-AlN (ZSA) was investigated by water quenching test. It indicated that ZSC may provide more stable thermal shock properties. As shown by SEM of ZSA, surface cracks appeared after it was cooled from 1200 , due to thermal shock instability of the material. Residual flexural strength of ZSA was improved by crack healing after it was cooled from 1450 . However, no surface crack appeared for ZSC after water quenching test. It provided a potential method for improving thermal shock stability of zirconium diboride ceramic matrix composites by introducing proper quantities of graphite.

  Info
Periodical
Advanced Materials Research (Volumes 152-153)
Edited by
Zhengyi Jiang, Jingtao Han and Xianghua Liu
Pages
805-808
DOI
10.4028/www.scientific.net/AMR.152-153.805
Citation
B. L. Liu, L. H. Yan, "Thermal Shock Stability of Large Size ZrB2 Ceramic Matrix Composite Material", Advanced Materials Research, Vols. 152-153, pp. 805-808, 2011
Online since
October 2010
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Price
$32.00
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