Crystallization behavior and microstructure of (CaO·ZrO2·SiO2)–Cr2O3 based glasses

Mirhadi, B.; Mehdikhani, Behzad

doi:10.1016/j.jnoncrysol.2011.07.040

Cited by 16 publications

(8 citation statements)

References 15 publications

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“…According to Fig. 3, sample ZT3 showed no exothermic [18,29]. Therefore, it is necessary to use nucleating agents in order to achieve effective internal nucleation [18].…”

Section: Resultsmentioning

confidence: 99%

The thermal and microstructural behavior of a R2O–RO–(ZnO)–Al2O3–(TiO2)–SiO2 based macro-crystalline raw glaze system

Pekkan

2015

Ceramics International

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“…According to Fig. 3, sample ZT3 showed no exothermic [18,29]. Therefore, it is necessary to use nucleating agents in order to achieve effective internal nucleation [18].…”

Section: Resultsmentioning

confidence: 99%

The thermal and microstructural behavior of a R2O–RO–(ZnO)–Al2O3–(TiO2)–SiO2 based macro-crystalline raw glaze system

Pekkan

2015

Ceramics International

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“…The growth process of the willemite crystal is generally related to the firing procedure, chemical composition of the glaze, and the nucleating agents. The crystal formation is provided by ZnO and SiO2 affects the growth process of the glassy phase crystals [20][21]. Generally in glaze systems, nucleating agents may lead to homogeneous or heterogeneous crystal nucleation according to amount and type of the agent.…”

Section: Discussionmentioning

confidence: 99%

Effect of Different Metal Oxides on Vickers Hardness of the Frit Based Crystalline Glazes

Pekkan

Gün

2018

Nevşehir Bilim Ve Teknoloji Dergisi

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Frit based glaze is a thin glassy surface coating which gives technical and aesthetic value to the ceramic product after firing. Crystalline glazes are one of the most important type of artistic glazes formed through a controlled crystallization of glass during a special heat treatment. Crystals are visible to the naked eye and the product can have only a few single crystals on the surface or the entire surface can be coated with crystals. The preferred clay substrate for crystalline glazes is porcelain and in some cases may be used for the macrocrystallines. Usage of these types of glazes as porcelain tile coatings is an alternative choice for relevant ceramic industry and these glazes strongly enhance the visual quality of the final products. When designing crystalline glazes for porcelain tiles; besides the chemical composition, mechanical properties such as hardness is also an important factor. Within the scope of experimental studies, frit based crystalline glazes which consist of different nucleating agents such as MnO, Fe2O3, NiO, CoO, CuO and Cr2O3 were applied on the raw porcelain bodies and then subjected to a special heat treatment cycle. The aim of this study was to investigate the effect of different metal oxides on crystallization capacity of newly developed fritted glaze compositions and Vickers hardness of the final products. Micro hardness of the glazes was measured with Vickers hardness test method. Characterization of crystalline glazes was done by x-ray diffraction (XRD) technique.

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“…The Cr2O3 uses different materials for paramagnetic studies to survey the magnetic results employing electron spin resonance. The thought, Cr2O3 doped Ba(La)2SiO6 glasses will be the most advantageous, academic, and technological subject of research [11,12]. Subsequently, in the existing work, Cr2O3 doped Ba(La)2SiO6 glass substances are developed and typically study for its suitability towards numerous electron paramagnetic, radiation shielding, and dielectric use.…”

Section: Introductionmentioning

confidence: 99%

Electron Paramagnetic Resonance, and Thermoluminiscence Mechanism In Radiation Shielding Cr2O3 - Ba(La)2SiO6 Glasses

Guntu¹

2021

Preprint

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The research on Cr2O3 doped SiO2 glasses is well known for advanced dielectrics. However, there are many other valuable properties associated with Cr2O3 inclusive various glasses. In this view, the current research aimed to develop the radiation shielding, elastically rich, and the EPR based Cr2O3 doped Ba(La)2SiO6 glass resource. Electron paramagnetic resonance, radiation shielding, and elastic studies have been employed to investigate the advanced characteristics. Structural characterization suggests glassy behavior with the Cr2O3 undoped glass. Whereas the other involved with Cr2O3 mol% shown with the ceramic behavior. The glass transition phenomena and forming abilities are studied with the help of differential thermal analysis techniques. Elastic studies have been done with the limit on the glasses, which suggests the glasses are flexible for elastic use. The electron paramagnetic resonance reports suggest high order of dipole-dipole super-exchange interaction and rhombohedral distortion within the glasses. Furthermore, we have tested the glasses for radiation shielding properties. The values of mass attenuation coefficient, radiation protection efficiency, mean free path, and energy absorption build-up factor of the glasses are measured and compared with values obtained with the help of standard photon shielding and dosimetry software. The studies indicate that the glasses developed are capable of radiation shielding. Upon 50 kGy, γ - irradiation, the thermoluminescence properties of the glasses are reported. The results found to be interesting, and reveal the resource developed are thermoluminescent at low activation energies. Furthermore, we have tested, the glasses for radiation shielding properties. Moreover, to introduce the detailed correlation between electron paramagnetic resonance, and thermoluminescence phenomenon, we have annealed the glasses under 0 to 300 oC temperature and upon the 0 to 50 kGy, γ - irradiation dose level. The electron paramagnetic resonance and thermoluminescence properties obtained for the glasses are highly correlative.

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Crystallization behavior and microstructure of (CaO·ZrO2·SiO2)–Cr2O3 based glasses

Cited by 16 publications

References 15 publications

The thermal and microstructural behavior of a R2O–RO–(ZnO)–Al2O3–(TiO2)–SiO2 based macro-crystalline raw glaze system

The thermal and microstructural behavior of a R2O–RO–(ZnO)–Al2O3–(TiO2)–SiO2 based macro-crystalline raw glaze system

Effect of Different Metal Oxides on Vickers Hardness of the Frit Based Crystalline Glazes

Electron Paramagnetic Resonance, and Thermoluminiscence Mechanism In Radiation Shielding Cr2O3 - Ba(La)2SiO6 Glasses

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