Chapter 53. High Temperature Flexural Strength of SrO·Al2O3·2SiO2 Glass-Ceramic

  1. John B. Wachtman Jr.
  1. Christopher L. Walters1,
  2. Charles H. Drummond1 and
  3. Narottam P. Bansal2

Published Online: 28 MAR 2008

DOI: 10.1002/9780470314500.ch53

Proceedings of the 18th Annual Conference on Composites and Advanced Ceramic Materials - A: Ceramic Engineering and Science Proceedings, Volume 15, Issue 4

Proceedings of the 18th Annual Conference on Composites and Advanced Ceramic Materials - A: Ceramic Engineering and Science Proceedings, Volume 15, Issue 4

How to Cite

Walters, C. L., Drummond, C. H. and Bansal, N. P. (1994) High Temperature Flexural Strength of SrO·Al2O3·2SiO2 Glass-Ceramic, in Proceedings of the 18th Annual Conference on Composites and Advanced Ceramic Materials - A: Ceramic Engineering and Science Proceedings, Volume 15, Issue 4 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470314500.ch53

Author Information

  1. 1

    HI The Ohio State University Columbus, OH 43210

  2. 2

    NASA Lewis Research Center Cleveland, OH 44135

Publication History

  1. Published Online: 28 MAR 2008
  2. Published Print: 1 JAN 1994

ISBN Information

Print ISBN: 9780470375327

Online ISBN: 9780470314500

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Keywords:

  • aluminosilicate;
  • hexagonal;
  • hexacelsian;
  • tetrahedra;
  • diffusion;
  • hot-pressed

Summary

Strontium aluminosilicate, SrO Al2O3 2SiO2 (SAS), glass-ceramic is being investigated as a matrix material for fiber-reinforced composites for high temperature structural applications. Fracture strengths of hot-pressed SAS glass-ceramic bars were measured in four-point bend from room temperature to 1300°C. The fracture strength of as-processed bars decreased from 156±10 MPa at room temperature to 83 MPa at 1000°C. Bars heat treated at 1100, 1200, and 1300°C for 1 h and 3 h exhibited no change in strength at 1000°C compared to the as-hot-pressed bars.