Preparation of glass–ceramic glazes in the SiO2–Al2O3–CaO–MgO–K2O–Na2O–ZnO system by variable content of ZnO |
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| Affiliation: | 1. Materials Science and Engineering Department, Shahid Bahonar Kerman University, Kerman, Iran;2. School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA 6027, Australia;3. Kazuo Inamori School of Engineering, Alfred University, Alfred, NY, USA |
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| Abstract: | This paper is focused on glass–ceramic glazes from the SiO2–Al2O3–CaO–MgO–K2O–Na2O system with ZnO additions (2.5, 5, 10, 15, 15, 20 and 25 wt%). The compositions were designed based on constant molar ratio of SiO2/Al2O3. In the resulting glazes diopside (CaMgSi2O6]), willemite (Zn2SiO4) and vitreous phase were identified by X-ray diffraction. Morphological and structural date of these glazes were supplementary determined by EPMA, FTIR and Raman Spectroscopy. DSC analysis was carried out to characterize thermal properties of the materials. |
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| Keywords: | D Glass–ceramic D ZnO Microstructure Diopside Willemite |
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