@article{article_458021, title={Evalution of Salt Crystallisation Effects on Artificial Marble}, journal={Journal of Physical Chemistry and Functional Materials}, volume={1}, pages={20–24}, year={2018}, url={https://izlik.org/JA67YR88DD}, author={Eren Sarıcı, Didem and Kızılkaya, Nilgün and Özdemir, Engin and Polat, Fadime}, keywords={salt crystallisation}, abstract={<p class="MsoPlainText" style="text-align:justify;line-height:12pt;"> <span lang="en-gb" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-gb">Utilisation of artificial marble in the construction
industry is widespreading because of it has got very low porosity show very
good performance and homogeneity, color consistendency and mechanical strength. </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">Construction and building materials
are exposed to various physical, chemical and environmental interactions </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">and they </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">were
subjected to various atmospheric, climatic and seasonal effects. </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr"> Some of
these effects are atmospheric pollution, </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">natural
geochemical and physical processes-slow dissolution by rain water, salt
deposition and recrystallization, freeze-thawing cycles, spalling, climatic
factors, air pollution, industrial pollutant, </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">chemical
contaminants, solar radiation, (notably acid rain), bio deterioration  and 
thermal effects </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">. </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">These effects can cause deteriorate partially or completely
and changes  m </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">arketability of
natural building stones </span> <span lang="en-gb" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-gb">. </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">In this
study two </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr"> commercially available and extensively
used artificial marble were subjected </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">to
salt crystallization ageing test according to TS EN 12370. Test samples
subjected to 14% Na <sub>2 </sub>SO <sub>4 </sub>.10H <sub>2 </sub>SO <sub>4 </sub>
solutions. </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">The changes in physical and color
properties L,a,b) and glossiness of samples has been determined and evaluated. </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">Experimental results showed that </span> <span lang="fr" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="fr">, salt
crystallization has led to changes of weight, porosity, unit weight and color
and glossiness. Weight, glossiness decreased as the whiteness (L), redness (a),
yellowness (b), porosity increased. </span> <span lang="en-gb" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-gb"> </span> </p> <p> </p>}, number={2}