风淬急冷对高钛矿渣结构的影响研究

doi:10.11896/cldb.23010005

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Abstract The air-quenched rapid-cooled high-titanium slag was prepared, and the effect of air-quenched rapid-cooling on its structure was studied and compared with naturally cooled and water-quenched rapid-cooled high-titanium slag. The results show that naturally cooled high-titanium slag has more crystalline minerals, Q₀, Q₁, Q₂ and Q₃ silicate structures coexist, and Ti is dominated by tetra-ligand and hexa-ligand; water-quenched high-titanium slag has lower crystalline mineral species and content, silicate structures are dominated by Q₀, Q₁ and Q₂, and Ti⁴⁺ enters the glass network in the form of [TiO₅]; air-quenched high-titanium slag is continuous glass phase, silicate structures are dominated by Q₀ and Q₂, and Ti in coarse particles is predominantly pentacoordinated, and tetra-and hexacoordinated Ti anion clusters appear as their particle size decreases. The overall increase in coordination number of Ti and its entry into the vitreous structure to form a glass network skeleton by connecting with silica-aluminate enhances the glass network polymerization and improves the chemical stability of air-quenched high-titanium slag.

Key words： high-titanium slag air quenching silicate structure

Published: 10 September 2024 Online: 2024-09-30

CLC number:

O751

Fund:Sichuan Provincial Science and Technology Plan Project(2019ZDZX0024) and the National Natural Science Foundation of China (51402246).

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	Articles by authors
	XU Zixin
	LI Jun
	LU Zhongyuan
	LI Xiaoyin
	XU Chen

Cite this article:

XU Zixin,LI Jun,LU Zhongyuan, et al. Study on the Structure of Air-Quenched High-Titanium Slag[J]. Materials Reports, 2024, 38(17): 23010005-7.

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http://www.mater-rep.com/EN/10.11896/cldb.23010005 OR http://www.mater-rep.com/EN/Y2024/V38/I17/23010005

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