Investigation of Li2O and TiO2 effects on MAS glass-ceramic produced from waste material

IF 1.4 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS

Science of Sintering Pub Date : 2023-01-01 DOI:10.2298/sos220617008c

N. Canikoğlu, Cansu Özarslan, Özkan Toplan

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Abstract

Among glass-ceramics, MgO-Al2O3-SiO2 (MAS) system occupies an important place due to its good characteristics. In this study, the magnesite waste being an industrial waste was evaluated for the production of MAS glass ceramics and the properties of the glass-ceramics produced were examined. For this purpose, mixtures were prepared using magnesite waste, quartz, kaolin and alumina raw materials according to the chemical composition of cordierite. Furthermore, in the mixtures prepared with the additions of TiO2 and Li2O added as a nucleating agent the effects of these additions on the crystallization temperatures were investigated. Crystallization temperatures of the glass samples were determined by the differential thermal analysis (DTA) and characterized by X-ray analysis (XRD). Subsequently, the glass-ceramic transformation was performed at 1000?C, 1050?C, 1100?C, 1150?C and 1200?C for 1, 3, 5 and 10 hours. The products obtained were analyzed using X-ray (XRD) and scanning electron microscope (SEM). In addition, the microhardness of glass-ceramic products and their corrosion resistance in an acidic environment were measured and compared in this study.

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Li2O和TiO2对废MAS玻璃陶瓷的影响研究

在微晶玻璃中，MgO-Al2O3-SiO2 (MAS)体系以其良好的性能占有重要的地位。本研究利用工业废渣菱镁矿废渣制备MAS玻璃陶瓷，并对其性能进行了考察。为此，根据堇青石的化学成分，以菱镁矿废、石英、高岭土和氧化铝为原料制备了混合物。此外，还研究了TiO2和Li2O作为成核剂对结晶温度的影响。用差热分析(DTA)测定了玻璃样品的结晶温度，并用x射线分析(XRD)对其进行了表征。随后，在1000℃下进行玻璃陶瓷相变。C, 1050 ?C, 1100 ?C, 1150 ?C和1200?C, 1、3、5、10小时。用x射线衍射(XRD)和扫描电镜(SEM)对所得产物进行了分析。此外，本研究还测量和比较了微晶玻璃制品的显微硬度及其在酸性环境中的耐腐蚀性。

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来源期刊

Science of Sintering 工程技术-材料科学：硅酸盐

CiteScore

2.50

自引率

46.70%

发文量

审稿时长

3.3 months

期刊介绍： Science of Sintering is a unique journal in the field of science and technology of sintering. Science of Sintering publishes papers on all aspects of theoretical and experimental studies, which can contribute to the better understanding of the behavior of powders and similar materials during consolidation processes. Emphasis is laid on those aspects of the science of materials that are concerned with the thermodynamics, kinetics and mechanism of sintering and related processes. In accordance with the significance of disperse materials for the sintering technology, papers dealing with the question of ultradisperse powders, tribochemical activation and catalysis are also published. Science of Sintering journal is published four times a year. Types of contribution: Original research papers, Review articles, Letters to Editor, Book reviews.