Preparation and characterization of glass-ceramics with α-cordierite as the main crystalline phase from bluestone tailings

C.H. Li; W. Zhao; J.L. Zhang; W. Lu; P. Li; B.J. Yan; H.W. Guo

doi:10.36410/jcpr.2021.22.4.409

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자료유형: 학술저널

저자정보: C.H. Li (University of Science & Technology Beijing) W. Zhao (Soochow University) J.L. Zhang (University of Science & Technology Beijing) W. Lu (Soochow University) P. Li (Soochow University) B.J. Yan (Soochow University) H.W. Guo (Soochow University)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제22권 제4호

발행연도: 2021.8

수록면: 409 - 420 (12page)

DOI: 10.36410/jcpr.2021.22.4.409

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The bluestone tailings are quickly expanded in China with the continuous utilization and mining of bluestone resources. Theincremental recycling of bluestone tailings is important to solve the resources waste and environmental pollution. This studyaims to reuse the bluestone tailings as the main material to prepare α-cordierite glass-ceramics based on melting process. Theresults show that the nucleation temperature, crystallization peak temperature and the activation energy for crystallizationdecreased gradually with increasing the percentage of bluestone tailings. The complete preparation parameters of α-cordieriteglass-ceramics include a bluestone tailings percentage of 70%, a heating rate of 5 oC·min^-1, a crystallization duration of 1.5h, a crystallization temperature of 970 oC, a nucleation temperature of 830 oC, and a nucleation duration of 1.0 h. Theperformances analyses reveals that the α-cordierite glass-ceramics based on the optimized parameters exhibits high densityand Vickers hardness, low dielectric loss and water absorption, and strong chemical resistance.

#cordierite glass-ceramics #bluestone tailings #crystallization kinetics #microstructure and phase transition

참고문헌 (27)

참고문헌 신청

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Hudie Yuan / 2020 / Fabrication and characterization of a novel foam ceramic material based on coal gasification slags / Journal of Ceramic Processing Research 21(6):640~646

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