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Studying of salt diffusion behaviour in brick

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Abstract

In this paper, an analysis of the diffusion behaviour of salts in fully saturated brick is presented. This paper extends the previous work to including more salt types and measurement data. Dependence of diffusion coefficient on temperature and other factors is discussed. Starting from the mathematical model which has been verified before, the obtained results are 2-fold: first the diffusion coefficients for different types of salts are given which are evaluated from measurements; moreover, dependence of temperature and ambient salt concentration on diffusion coefficient is presented.

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Acknowledgements

The authors wish to thank the financial support from the Academy of Finland, the Laboratory of Physical Chemistry and Electrochemistry and the Laboratory of Structural Engineering and Building Physics, Helsinki University of Technology.

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Authors and Affiliations

  1. Laboratory of Physical Chemistry and Electrochemistry, Department of Chemical Technology, Helsinki University of Technology, P.O. Box 6100, FIN-02150, Espoo, Finland

    Jori Ahl

  2. Laboratory of Structural Engineering and Building Physics, Department of Civil and Environmental Engineering, Helsinki University of Technology, P.O. Box 2100, FIN-02150, Espoo, Finland

    Xiaoshu Lü

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  1. Jori Ahl
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  2. Xiaoshu Lü
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Correspondence to Jori Ahl.

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Ahl, J., Lü, X. Studying of salt diffusion behaviour in brick. J Mater Sci 42, 2512–2520 (2007). https://doi.org/10.1007/s10853-006-1005-8

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  • DOI: https://doi.org/10.1007/s10853-006-1005-8

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