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Effects of Composition on Crystallization and Properties of Cordierite Glass-Ceramics
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Yanzhao ZHAO1, Cuiyue YANG1, Yunpeng HE1, Zhiming HU2, Hao HU1, Hairong YIN1
Journal of the Chinese Ceramic Society | 2021, 49(12) : 2710 - 2716
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Journal of the Chinese Ceramic Society | 2021, 49(12): 2710-2716
• Research Article •
Effects of Composition on Crystallization and Properties of Cordierite Glass-Ceramics
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Yanzhao ZHAO1, Cuiyue YANG1, Yunpeng HE1, Zhiming HU2, Hao HU1, Hairong YIN1
Affiliations
  • 1.School of Materials Science & Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
  • 2.Dahe Ceramic Materials Co., Ltd., Weiyuan 642450, Sichuan, China

    • ZHAO Yanzhao(1964-), male, Ph.D., Professor. E-mail:

About Author:

ZHAO Yanzhao(1964-), male, Ph.D., Professor. E-mail:

Published: 2021-12-20 doi: 10.14062/j.issn.0454-5648.20210290
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According to MgO-A12O3-SiO2 ternary system phase diagram, 22 kinds of compositions were designed by using triangular rule, and cordierite was synthesized by melting sintering method. The crystal evolution and phase transition of cordierite glass-ceramics was studied by means of differential thermal analysis, X-ray diffraction and scanning electron microscope. The apparent porosity and thermal expansion properties were tested. The results show that there are two kinds of exothermic peaks in the differential thermal curve with the change of composition. Near the theoretical composition, a double crystallization exothermic peak occurs, and MgAl2Si3O10 and α-cordierite crystal phase is precipitated. The thermal expansion coefficient of cordierite under the theoretical composition is the lowest, which is 1.27×10-6/℃. However, when the MgO content in the composition increases to more than 16.6%, the exothermic peak of crystallization is unimodal, and only α-cordierite crystal phase is precipitated under the single peak. At this time, the apparent porosity of cordierite sample is on the decrease significantly, with a minimum value of 0.32%.

cordierite  /  glass-ceramics  /  composition  /  crystal phase transition
赵彦钊, 杨崔月, 贺云鹏, 胡智敏, 呼浩, 殷海荣. 组成对堇青石微晶玻璃析晶和性能的影响. 硅酸盐学报, 2021 , 49 (12) : 2710 -2716 . DOI: 10.14062/j.issn.0454-5648.20210290
Yanzhao ZHAO, Cuiyue YANG, Yunpeng HE, Zhiming HU, Hao HU, Hairong YIN. Effects of Composition on Crystallization and Properties of Cordierite Glass-Ceramics[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (12) : 2710 -2716 . DOI: 10.14062/j.issn.0454-5648.20210290
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Year 2021 volume 49 Issue 12
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Article Info
doi: 10.14062/j.issn.0454-5648.20210290
  • Receive Date：2021-04-19
  • Online Date：2026-10-30
  • Published：2021-12-20
Article Data
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History
  • Received：2021-04-19
  • Revised：2021-07-01
Funding
Affiliations
    1.School of Materials Science & Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
    2.Dahe Ceramic Materials Co., Ltd., Weiyuan 642450, Sichuan, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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