The Sorptivity is a coefficient very important to characterize porous materials. It is associated to principal properties such as mechanical durability, thermal and electrical conductivity, etc. In this work, the Sorptivity coefficient of several systems of porous ceramics has been measured following the experimental procedure. Indifferent situations, this very simple test could be not performed; in cultural heritage ordering an optimised industrial process. Major reasons for this inability include that it would demand great quantitates of materials impossible to withdraw from the protected building ,as well as the experimental test can last for several days ,which reduces the possibility to correct/improve the industrial production process. Starting from its capability to reproduce entirely the pore size distributions of porous materials, IFU is used to simulate water absorption process and to estimate the Sorptivity coefficient. The obtained results are in good agreement with experimental data and others two models predictions. This fact allows considering IFU model as a future tool for design materials and to predict their service life.

Pore size distribution and porosity influence on Sorptivity of cerami ctiles:From experimental data to fractal modelling / Pia, G.; Siligardi, Cristina; Casnedi, L.; Sanna, U.. - In: CERAMICS INTERNATIONAL. - ISSN 0272-8842. - ELETTRONICO. - 42:8(2016), pp. 9583-9590. [10.1016/j.ceramint.2016.03.041]

Pore size distribution and porosity influence on Sorptivity of cerami ctiles:From experimental data to fractal modelling

SILIGARDI, Cristina;
2016

Abstract

The Sorptivity is a coefficient very important to characterize porous materials. It is associated to principal properties such as mechanical durability, thermal and electrical conductivity, etc. In this work, the Sorptivity coefficient of several systems of porous ceramics has been measured following the experimental procedure. Indifferent situations, this very simple test could be not performed; in cultural heritage ordering an optimised industrial process. Major reasons for this inability include that it would demand great quantitates of materials impossible to withdraw from the protected building ,as well as the experimental test can last for several days ,which reduces the possibility to correct/improve the industrial production process. Starting from its capability to reproduce entirely the pore size distributions of porous materials, IFU is used to simulate water absorption process and to estimate the Sorptivity coefficient. The obtained results are in good agreement with experimental data and others two models predictions. This fact allows considering IFU model as a future tool for design materials and to predict their service life.
42
8
9583
9590
Pore size distribution and porosity influence on Sorptivity of cerami ctiles:From experimental data to fractal modelling / Pia, G.; Siligardi, Cristina; Casnedi, L.; Sanna, U.. - In: CERAMICS INTERNATIONAL. - ISSN 0272-8842. - ELETTRONICO. - 42:8(2016), pp. 9583-9590. [10.1016/j.ceramint.2016.03.041]
Pia, G.; Siligardi, Cristina; Casnedi, L.; Sanna, U.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1119325
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