Journal of Materials Science

, Volume 28, Issue 3, pp 735–741 | Cite as

Thermal shock resistance of SiC fibrerein-forced borosilicate glass and lithium aluminosilicate matrix composites

  • Y. Kagawa
  • N. Kurosawa
  • T. Kishi


Thermal shock resistance of an SiC fibre-(Nicalon®) reinforced borosilicate glass (Pyrex) and lithium aluminosilicate (LAS) matrix composite has been investigated experimentally in the temperature range 0–1000 K. Longitudinal Young's modulus and flexure strength of the composites after thermal shock were obtained as a function of thermal shock temperature. The results are discussed with the observed damage of the composite. The borosilicate glass matrix composite showed multiple cracking of the glass matrix perpendicular to the fibre axis when the thermal shock temperature was above 600 K. Decreases in Young's modulus and flexure strength were also recognized after multiple cracking of the matrix was initiated. On the other hand, the LAS matrix composite showed no damage at thermal shock temperatures below 800 K. However, at 800 K and above, microcracking of the matrix along the fibre axis was observed. After thermal shock, no decrease in the flexure strength was recognized, while the Young's modulus decreased due to microcracking of the matrix when the thermal shock temperatures were 800 K and above. It was found that the major advantage of the composite against thermal shock was to retain non-catastrophic failure properties even after the development of thermally induced damage in the composite.


Matrix Composite Aluminosilicate Thermal Shock Borosilicate Glass Glass Matrix 
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Copyright information

© Chapman & Hall 1993

Authors and Affiliations

  • Y. Kagawa
    • 1
  • N. Kurosawa
    • 2
  • T. Kishi
    • 2
  1. 1.Institute of Industrial ScienceThe University of TokyoTokyoJapan
  2. 2.Research Centre for Advanced Science and Technology (RCAST)The University of TokyoTokyoJapan

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