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Electrical Resistance Behavior during Tensile Loading of Al2 O3 Fiber-Nano RuO2-Glass Composites

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Abstract:

The conductive composites in which nano RuO2 particles are dispersed throughout a glass matrix have been successfully fabricated by sintering at 850°C. The sensing properties of conductive composites were investigated in real time during tensile testing by measuring the electrical resistance. It is shown that the excellent sensing ability based on electrical resistance changes in the low strain range was due to deformation of conduction paths between nano RuO2 particles by brittle fracture of the glass matrix. The change of electrical resistance depends strongly on the volume percent of Al2O3 fiber reinforcement.

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Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

309-312

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.309

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Online since:

August 2006

Authors:

Byung Koog Jang, Hideaki Matsubara

Keywords:

Al2O3 Fiber, Electrical Resistance Change, Glass, Nanoparticle, RuO2, Tensile Loading

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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