Chapter 70. Non-Destructive Real-Time Failure Prediction using Electrical Resistance

  1. Don Bray
  1. Guillermo Villalobos and
  2. Henry Paris

Published Online: 26 MAR 2008

DOI: 10.1002/9780470294482.ch70

22nd Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 19, Issue 3

22nd Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 19, Issue 3

How to Cite

Villalobos, G. and Paris, H. (2008) Non-Destructive Real-Time Failure Prediction using Electrical Resistance, in 22nd Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 19, Issue 3 (ed D. Bray), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294482.ch70

Author Information

  1. Georgia Tech Research Institute Atlanta, GA 30332

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 1988

ISBN Information

Print ISBN: 9780470375587

Online ISBN: 9780470294482

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Keywords:

  • aluminosilicate;
  • materials;
  • composite;
  • polymer;
  • carbon

Summary

The electrical resistance of a Nicalon reinforced lithium aluminosilicate glass-ceramic was used as an indicator of fiber and test bar failure during flexural testing. The slope of the electrical resistance curve is related to the crack propagation rate. Discontinuities in the resistance curve correspond to areas in the stress-strain curve where large load drops are observed, and continuous changes in the slope of the resistance curve may indicate the ultimate strength of the composite.