Effect of FeO on the network structure and crystallization behavior of the blast furnace slag/basic oxygen furnace slag glass-ceramics

IF 2.3 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

International Journal of Applied Ceramic Technology Pub Date : 2025-08-30 DOI:10.1111/ijac.70056

Feixu Chen, Yani Zhang, Huiyu Yan, Shengchun Li, Tun Wang, Shijing Shi, Lingcong Fan, Fang Lei, Lei Zhang, Ying Shi, Jianjun Xie

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Abstract

This study investigates the utilization of blast furnace slag (BFS) and basic oxygen furnace slag (BOFS) as raw materials for the production of glass-ceramics. By varying the proportion of BOF slag, the study investigates the impact of FeO content on the structure, crystallization behavior, and properties of the glass-ceramics. The optimal FeO addition ratio is determined, providing a promising approach for the efficient and high-value recycling of these two types of industrial waste. The results show that FeO causes depolymerization of the glass network, enhances the crystallization of the parent glass, and significantly improves the physicochemical properties of the glass-ceramics. When the FeO content is 2.56 wt.% (with 8.64 wt.% BOFS and 38.39 wt.% BFS), the glass-ceramics exhibited a bulk density of 2.9 g/cm³, flexural strength of 169.1 MPa, hardness of 7.7 GPa, and outstanding corrosion resistance. The findings contribute to advancing the sustainable recycling of BFS and BOFS, reducing their environmental impact while creating cost-effective building and industrial materials.

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FeO对高炉炉渣/碱性氧炉渣微晶玻璃网络结构及结晶行为的影响

研究了利用高炉炉渣和碱性氧炉渣作为生产微晶玻璃的原料。通过改变转炉炉渣的比例，研究了FeO含量对微晶玻璃的结构、结晶行为和性能的影响。确定了FeO的最佳添加比，为这两类工业废弃物的高效、高价值回收利用提供了一条有前景的途径。结果表明：FeO引起了玻璃网络的解聚，增强了母晶玻璃的结晶，显著改善了微晶玻璃的理化性能。当FeO含量为2.56 wt.% （BFS含量为8.64 wt.%， BFS含量为38.39 wt.%）时，微晶玻璃的体积密度为2.9 g/cm3，抗折强度为169.1 MPa，硬度为7.7 GPa，具有优异的耐腐蚀性。研究结果有助于推进BFS和BOFS的可持续回收，减少其对环境的影响，同时创造具有成本效益的建筑和工业材料。

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来源期刊

International Journal of Applied Ceramic Technology 工程技术-材料科学：硅酸盐

CiteScore

3.90

自引率

9.50%

发文量

280

审稿时长

4.5 months

期刊介绍： The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas: Nanotechnology applications; Ceramic Armor; Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors); Ceramic Matrix Composites; Functional Materials; Thermal and Environmental Barrier Coatings; Bioceramic Applications; Green Manufacturing; Ceramic Processing; Glass Technology; Fiber optics; Ceramics in Environmental Applications; Ceramics in Electronic, Photonic and Magnetic Applications;