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Dissolution Behavior of Fused Magnesia in CaO-Al2O3-SiO2 Slags
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Xinyu CHEN, Ao HUANG, Shenghao LI, Huazhi GU, Lvping FU
Journal of the Chinese Ceramic Society | 2023, 51(3) : 610 - 618
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Journal of the Chinese Ceramic Society | 2023, 51(3): 610-618
• Research Articles •
Dissolution Behavior of Fused Magnesia in CaO-Al2O3-SiO2 Slags
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Xinyu CHEN, Ao HUANG, Shenghao LI, Huazhi GU, Lvping FU
Affiliations
  • The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China

    • CHEN Xinyu (1999-), female, Master candidate. E-mail:

About Author:

CHEN Xinyu (1999-), female, Master candidate. E-mail:

Published: 2023-03-20 doi: 10.14062/j.issn.0454-5648.20220864
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As an important raw material of magnesia based refractories, the dissolution of the fused magnesia in the CaO-Al2O3-SiO2 slags for refining a low density and high strength steel is an important factor affecting the service life of furnace lining and the quality of steel. In this paper, the dissolution behavior of fused magnesia in the slag at 1 600 ℃ was investigated by a high-temperature laser confocal microscopy system. The effects of the shape and mass of magnesia particles and the mass fraction ratio of CaO to SiO2(C/S) on the dissolution behavior were investigated. The results show that the shape of fused magnesia particles has little effect on its dissolution rate. The dissolution rate decreases linearly with the increase of mass, and it decreases firstly and then increases with the increase of C/S ratio. The dissolution curve of magnesia particles is affected by the mass, and the n values of the dissolution model can correspond to 1/2, 2/3 and 3/5, respectively. This work provides a guidance for understanding the slag corrosion behavior of magnesia based refractories, improving the quality and optimizing the performance of magnesia based refractories.

fused magnesia  /  refractory  /  dissolution rate  /  calcium oxide-alumina-silicon dioxide slag  /  dissolution model
陈欣雨, 黄奥, 李昇昊, 顾华志, 付绿平. 电熔镁砂在CaO-Al2O3-SiO2熔渣中的溶解行为. 硅酸盐学报, 2023 , 51 (3) : 610 -618 . DOI: 10.14062/j.issn.0454-5648.20220864
Xinyu CHEN, Ao HUANG, Shenghao LI, Huazhi GU, Lvping FU. Dissolution Behavior of Fused Magnesia in CaO-Al2O3-SiO2 Slags[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (3) : 610 -618 . DOI: 10.14062/j.issn.0454-5648.20220864
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Year 2023 volume 51 Issue 3
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Article Info
doi: 10.14062/j.issn.0454-5648.20220864
  • Receive Date：2022-10-12
  • Online Date：2026-10-20
  • Published：2023-03-20
Article Data
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History
  • Received：2022-10-12
  • Revised：2022-11-08
Funding
Affiliations
    The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China

Corresponding:

HUANG Ao (1982-), 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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