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Dielectric properties of porous cement mortar: fractal surface effects

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Author

Summary, in English

We have studied the electrical properties of cement mortars in the frequency range 10-4-107 Hz, for different water contents. The admittance scales as a power law with an exponent of about 0.7 in a wide frequency range. This behaviour is interpreted in terms of polarization and diffusion at fractal pore surfaces. We obtain a fractal dimension of 2.4, which is in good agreement with adsorption isotherm data for the mortar.

Publishing year

1991

Language

English

Pages

93-96

Publication/Series

Solid State Communications

Volume

79

Issue

1

Document type

Journal article

Publisher

Pergamon Press Ltd.

Topic

  • Materials Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 1879-2766