Viscosity estimation model of fluorine-containing mold flux for continuous casting

Autor: Junxue Zhao, Boqiao Qu, Zhongyu Zhao, Yaru Cui
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Luminescence
0211 other engineering and technologies
Fluorescence Spectrometry
02 engineering and technology
medicine.disease_cause
01 natural sciences
Physical Chemistry
Fluorophotometry
Viscosity
Mathematical and Statistical Techniques
Spectrum Analysis Techniques
Materials Physics
021102 mining & metallurgy
010302 applied physics
Arrhenius equation
Multidisciplinary
Physics
Electromagnetic Radiation
Statistics
Continuous casting
Chemistry
Spectrophotometry
Physical Sciences
Metallurgy
symbols
Thermodynamics
Regression Analysis
Medicine
Slag (welding)
Mass fraction
Nonlinear regression
Research Article
Chemical Elements
Materials science
Science
Materials Science
Research and Analysis Methods
Fluorescence
symbols.namesake
Flux (metallurgy)
Castings
Mold
0103 physical sciences
medicine
Statistical Methods
Mass Transfer
Fluorine
Chemical Properties
Volatilization
Mathematics
Zdroj: PLoS ONE, Vol 16, Iss 3, p e0247828 (2021)
PLoS ONE
ISSN: 1932-6203
Popis: A viscosity estimation model for fluorine-containing mold flux for continuous casting was investigated based on the Arrhenius formula and the rotating cylinder method combined with nonlinear regression analysis. This model is highly applicable and not limited by the slag of a certain composition. For most slag compositions, the viscosities estimated with this model deviated from the measured values by no more than 10%, which was in better agreement with the measured values than the viscosities estimated by the Riboud, Iida and Mills models. According to the model calculation and experimental detection, a viscosity isogram of CaF2-Na2O-Al2O3-CaO-SiO2-MgO slag was produced, and the mass fraction of CaF2 in the low-viscosity zone was nearly 14%. An X-ray fluorescence spectrometric analysis of slag after the viscosity test showed that CaF2 and Na2O were significantly reduced, and the measured viscosity was greater than the theoretical viscosity due to the volatilization.
Databáze: OpenAIRE
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