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Effect of P2O5 on Properties and Structure of Phase-Separated Opaque Glaze in (K,Na)2O-CaO-Al2O3-B2O3-SiO2 System
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Ruiqiang YANG, Yongqing WANG, Jian'er ZHOU, Qibing CHANG, Weixia DONG, Qifu BAO, Kun LIU, Peng TONG
Journal of the Chinese Ceramic Society | 2020, 48(10) : 1604 - 1612
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Journal of the Chinese Ceramic Society | 2020, 48(10): 1604-1612
Effect of P2O5 on Properties and Structure of Phase-Separated Opaque Glaze in (K,Na)2O-CaO-Al2O3-B2O3-SiO2 System
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Ruiqiang YANG, Yongqing WANG, Jian'er ZHOU, Qibing CHANG, Weixia DONG, Qifu BAO, Kun LIU, Peng TONG
Affiliations
  • School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, Jiangxi, China

    • YANG Ruiqiang (1991-), male, Doctoral candidate. E-mail:

About Author:

YANG Ruiqiang (1991-), male, Doctoral candidate. E-mail:

Published: 2020-10-20 doi: 10.14062/j.issn.0454-5648.20190704
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P2O5 was added into (K,Na)2O-CaO-Al2O3-B2O3-SiO2 phase-separated opaque glaze. Effect of P2O5 on the glaze properties and structure was investigated by thermal expansion instrument, colorimeter, Vickers hardness tester, scanning electron microscopy, transmission electron microscopy and Fourier transform infrared spectroscopy, respectively. The results show that the glaze whiteness and the Vickers hardness improve as P2O5 content increases. The whiteness of the glaze increases from 46.58% to 71.79% and the Vickers hardness increases from 737.94 HV to 1153.03 HV. [PO4] obtains the bridge oxygen of [BO4] from the matrix glass phase, promoting the phase separation of the glaze melt by changing [BO4] to [BO3] when the mole fraction of P2O5 is below 0.58%. Also, P2O5 mostly appears in the boron-rich phase separation droplets. The interface between the droplets phase and the matrix phase provides conditions for hexagonal prism shape of Ca3(PO4)2 crystal separated from the glaze, the refractive index difference between heterogeneous particles and matrix phase increases, and Ca3(PO4)2 crystal size is in the visible wavelength range when the mole fraction of P2O5 is 1.15%-1.72%, which enhances the Mie scattering and improves the glaze whiteness. In addition, the Vickers hardness of the glaze improves because the density of the glass structure increases with increasing [PO4] content.

phase-separated opaque glaze  /  phase separation droplets  /  microstructure  /  glass structure
杨瑞强, 汪永清, 周健儿, 常启兵, 董伟霞, 包启富, 刘昆, 童彭. P2O5对（K，Na）2O-CaO-Al2O3-B2O3-SiO2系分相乳浊釉性能及结构的影响. 硅酸盐学报, 2020 , 48 (10) : 1604 -1612 . DOI: 10.14062/j.issn.0454-5648.20190704
Ruiqiang YANG, Yongqing WANG, Jian'er ZHOU, Qibing CHANG, Weixia DONG, Qifu BAO, Kun LIU, Peng TONG. Effect of P2O5 on Properties and Structure of Phase-Separated Opaque Glaze in (K,Na)2O-CaO-Al2O3-B2O3-SiO2 System[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (10) : 1604 -1612 . DOI: 10.14062/j.issn.0454-5648.20190704
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Year 2020 volume 48 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20190704
  • Receive Date：2019-10-28
  • Online Date：2026-10-29
  • Published：2020-10-20
Article Data
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History
  • Received：2019-10-28
  • Revised：2019-12-01
Funding
Affiliations
    School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, Jiangxi, China

Corresponding:

WANG Yongqing (1966-), male, Ph.D., Professor. E-mail:
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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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