Effect of soaking time on phase composition and topography and surface microstructure in vitrocrystalline whiteware glazes

Fröberg, Linda; Kronberg, Thomas; Hupa, Leena

doi:10.1016/j.jeurceramsoc.2009.01.012

Cited by 28 publications

(7 citation statements)

References 20 publications

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“…augite and olivine. Glass-ceramic glaze based on wollastonite and diopside was prepared by many authors [20][21][22][23]. Through CaO-MgO-Al 2 O 3 -SiO 2 glass system both later phases were developed and their crystalline phase's constituents based on the ratios of CaO and MgO.…”

Section: Characterization Of Trachyte Rock and Glassmentioning

confidence: 99%

Glass-Ceramics from Trachyte Rock- Limestone or Magnesite

El-Shakour

Ghaffar

El‐Bassyouni

et al. 2022

Silicon

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Inexpensive sintered glass-ceramic glaze was prepared from a mixture of Egyptian trachyte with either limestone or magnesite. A represented trachyte rock was pulverized to powder (<0.083 mm) and also both limestone and magnesite. The well mixed batches were melted near 1450 °C/3 h temperature then the glass melt was quenched in water, dried, pulverized to powder and finally shaped in moulds. The sintering process of the pre-shaped glasses, within 1000-1100 °C range, gave augite and olivine in case of trachyte-magnesite whereas wollastonite and Ca-olivine in case of trachyte-limestone. However, cristobalite was developed in both cases. The microstructures in both cases showed glassy matrix scattered with submicron and nano-size crystals either in irregular shape in case of trachyte-limestone or clear crystals in case of trachyte-magnesite. The densities of the sintered samples were in the range of 2.36 and 2.57 g/cm3 in case of the trachyte-limestone and 2.36 and 2.64 g/cm3 in case of the trachyte-magnesite. The coefficient of thermal expansion (CTE) and the hardness of the sintered glass-ceramic were in the range of 6.2-8.5 × 10−6 °C−1 and 440-563 GPa respectively. However, the CTE values decreased in case of trachyte-limestone whereas the hardness values were high in case of trachyte-magnesite. The present glass-ceramic samples had porcelain nature and could be used in cladding of wall and floor.

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Section: Characterization Of Trachyte Rock and Glassmentioning

confidence: 99%

Glass-Ceramics from Trachyte Rock- Limestone or Magnesite

El-Shakour

Ghaffar

El‐Bassyouni

et al. 2022

Silicon

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“…The properties of glaze depend on a variety of aspects: the effects of raw materials and process conditions on the glaze formation and its performances on one hand and the firing conditions on the other hand [6][7][8][9][10]. Many scholars have conducted research on white glazes.…”

Section: Introductionmentioning

confidence: 99%

The Melting Crystallization and Fluidity of SiO2-B2O3-Al2O3-TiO2 Frit for Enamel Glaze

Tian¹,

Zhang²,

Zhang³

2016

Proceedings of the 3rd International Conference on Material Engineering and Application (ICMEA 2016)

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The influence of temperature on the crystallization and the melting of the glassy frit was discussed. SiO 2 -B 2 O 3 -Al 2 O 3 -TiO 2 frits were obtained by melting batches at different temperatures, were investigated by DTA and the crystallization energy was calculated. The fluidity of the frits upon heating was estimated based on the sintering images. XRD measurements were applied to identify the crystalline phase of the sintered frits. The results show that the frit has reduced activation energy when the melting temperature is high. However, the melting temperature does not have effects on the transition and crystallization temperatures of the glass frit. Although the frit could crystallize at a low temperature, a much higher temperature has to be used for the sintering of the frit to obtain enamel glaze with a high flatness.

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“…Glaze is the vitreous layer coated on a ceramic body, produced by melting and solidifying silicate mixtures, which has several functions including esthetic enhancement, design intensity, and protection from dirt . Raw glazes are cost‐effective alternatives for ceramic production, as many of the raw material minerals used such as feldspar, silica rock, clay, and limestone come from local miningfield . For this reason, raw glazes are widely used in the production of sanitary ware, household ceramics, and artistic ware.…”

Section: Introductionmentioning

confidence: 99%

Effect of Praseodymium Oxide on Thermal and Optical Properties in Raw Transparent glaze

Cheng

Wang

et al. 2014

Int J Applied Ceramic Tech

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The light green transparent glaze was prepared by introducing praseodymium oxide as a colorant used in raw glaze. The effect of Pr6O11 on the thermal and color properties of the transparent glaze was investigated by thermogravimetry and differential thermal analysis and reflection spectra, respectively. The introduction of Pr6O11 could not form new crystalline phases in the transparent glaze. The glass transition temperature and melting temperature of the transparent glaze decreased with the increasing Pr6O11, which is due to the high field strength of Pr ion. In addition, the mechanism of color formation in the glaze containing Pr6O11 was also discussed.

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Effect of soaking time on phase composition and topography and surface microstructure in vitrocrystalline whiteware glazes

Cited by 28 publications

References 20 publications

Glass-Ceramics from Trachyte Rock- Limestone or Magnesite

Glass-Ceramics from Trachyte Rock- Limestone or Magnesite

The Melting Crystallization and Fluidity of SiO2-B2O3-Al2O3-TiO2 Frit for Enamel Glaze

Effect of Praseodymium Oxide on Thermal and Optical Properties in Raw Transparent glaze

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