期刊
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
卷 52, 期 5, 页码 2831-2836出版社
SPRINGER
DOI: 10.1007/s11663-021-02284-6
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资金
- National Natural Science Foundation China [U1860206, 51725402, 51904025]
- Fundamental Research Funds for the Central Universities [FRF-TP-19-037A2Z]
- National Postdoctoral Program for Innovative Talents [BX20190030]
- High Steel Center (HSC) at Yanshan University
- High Quality Steel Consortium (HQSC) at University of Science and Technology Beijing, China
The study found that the diameter and contact angle have an impact on the aggregation of solid inclusions in molten steel, with larger inclusions aggregating more easily. The critical aggregation spacing has an explicit relationship with inclusion diameters.
The effect of the diameter and contact angle on the aggregation of solid inclusions in molten steel was investigated based on the cavitation theory. Larger inclusions aggregated more easily, owing to the lower stable energy and larger critical aggregation spacing. The critical aggregation spacing had an explicit relationship with inclusion diameters: d(C,Al2O3) = 0.195(RP1RP2)(0.5) -0.021(R-P1+R-P2), d(C, MgO) = 0.099(RP1RP2)(0.5) -0.013(R-P1+R-P2) and d(C, SiO2) = 0.031(RP1RP2)(0.5) -0.0061(R-P1+R-P2). Furthermore, calculated results showed that the aggregation tendency of the three considered types of inclusions was Al2O3> MgO> SiO2. (C) The Minerals, Metals & Materials Society and ASM International 2021
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