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Iznik tiles: A new production technology and respective characterization

  • Meryem Sarigüzel , Şenol Yilmaz und Esin Günay
Veröffentlicht/Copyright: 31. August 2015
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Abstract

This study investigated a new production technology for Iznik tiles. High quartz content of Iznik tiles was kept as it was and hydraulic pressing instead of tapping was used for shaping. Besides the traditional pouring technique, tiles were also glazed by spray coating. Characterization of the Iznik tiles were approached using different methodologies, including scanning electron microscopy plus energy dispersive X-ray spectrometry (SEM-EDX), Raman spectroscopy, atomic force microscopy (AFM), X-ray diffractometry (XRD) and dilatometry. Characterization results revealed that thermal expansion coefficients (TECs) of body, slip layer (thinned siliceous clay) and frit are 8.41, 8.48 and 8.32 × 10−6 K−1, respectively, and matched which is fundamental to achieve increase in strength and keep the glaze in compressive stress. Raman signatures of the Iznik tiles agreed with the literature information. By double layer spray coating, smoother surfaces can be obtained on Iznik tiles than by traditional method of glazing.

Kurzfassung

In der diesem Beitrag zugrunde liegenden Studie wurde eine neue Produktionstechnik für Iznik-Fliesen untersucht. Hierbei wurde der hohe Quarzanteil der Iznik-Fliesen beibehalten und es wurde hydraulisches Pressen statt Abstechen zur Formgebung eingesetzt. Neben der traditionellen Gießtechnik, wurden die Fliesen außerdem mittels Sprühbeschichtens glasiert. Die Charakterisierung der Iznik-Fliesen wurde mit verschiedenen Verfahren, wie Rasterelektronenmikroskopie sowie Energiedispersiver Röntgenspektrometrie (SEM-EDX), Ramanspektroskopie, Rasterkraftmikroskopie, Röntgendiffraktometrie und Dilatometrie, realisiert. Die thermischen Ausdehungskoeffizienten des Fliesenkörpers, der dünnen Silikatschicht und der Glasiermasse betrugen 8,41, 8,48 und 8,32 × 10−6 K−1 und passten gut zueinander, was sich als grundsätzliche Voraussetzung erwies, um eine Zunahme der Festigkeit zu erreichen und um die Glasur unter Druckspannung zu halten. Die Ramandiagramme der Iznik-Fliesen stimmten mit den Informationen aus der Literatur überein. Durch Doppellagen-Sprühbeschichtung konnten weichere Oberflächen auf den Iznik-Fliesen erzielt werden als durch das tradionelle Verfahren des Glasierens.


§Correspondence Address, MSc Meryem Sarıgüzel, Materials Institute, Marmara Research Center, Scientific and Technological Research Council of Turkey, Barış Mah. Dr. Zeki Acar Cad., P. O. Box 21, 41470 Gebze Kocaeli, Turkey. E-mail:

Meryem Sarıgüzel, born in 1982, graduated from the Mines Faculty at the Istanbul Technical University, Turkey in 2004. She received her master degree in Ceramic Engineering from the same university. She is pursuing her PhD in the Metallurgy and Materials Engineering Department at Sakarya University, Turkey. She has been working in the Materials Institute of the TUBITAK Marmara Research Centre in Kocaeli, Turkey as a researcher since 2008.

Prof. Dr. Şenol Yılmaz, born in 1968, graduated from the Metallurgy and Materials Engineering Department at Istanbul Technical University, Turkey in 1989. He received his master degree and PhD from the Metallurgy and Materials Engineering Department, Istanbul Technical University in 1992 and 1997, respectively. From 2009 to 2012, he worked as Chief Senior Researcher in the Materials Institute of the TUBITAK Marmara Research Centre in Kocaeli, Turkey. He has been working in the Metallurgy and Materials Department of Sakarya University, Turkey, since 1990.

Dr. Esin Günay, born in 1965, graduated from the Engineering Faculty at Istanbul University, Turkey in 1986. Between 1987 and 1988, she studied language at the Sheffield Polytechnic and Richmond College in the UK. She completed her master degree in Advanced Ceramics/Materials at the Limerick University n Ireland with EOLAS scholarship. She received her PhD degree from the Metallurgy Engineering and Production Metallurgy Department at Istanbul University in 1999. Since 1991, she has been working in the Materials Institute of the TUBITAK Marmara Research Centre in Kocaeli, Turkey as Chief Senior Researcher.


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Published Online: 2015-08-31
Published in Print: 2015-09-01

© 2015, Carl Hanser Verlag, München

Heruntergeladen am 9.11.2025 von https://www.degruyterbrill.com/document/doi/10.3139/120.110771/html?lang=de
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