A Review of the Melt Structure and Crystallization Behavior of Non‐Reactive Mold Flux for the Casting of Advanced High‐Strength Steels
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DOI: 10.1002/srin.202100073
Abstract: The non‐reactive CaO–Al2O3‐based mold flux system is proposed to avoid the reaction problems during the casting process of advanced high‐strength steels, when conventional CaO–SiO2‐based mold flux system is applied. However, new problems such as low… read more here.
Keywords: based mold; crystallization; cao al2o3; mold flux ... See more keywords
Synthesis, formation mechanism and hydraulic activity of novel composite cements belonging to the system CaO–Al2O3–ZrO2
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-017-6498-7
Abstract: This paper describes a new approach for synthesizing novel composite cements belonging to the system CaO–Al2O3–ZrO2 via the high-temperature reactions within the Ca7ZrAl6O18–Al2O3 system and characterizes products using X-ray diffraction (XRD), Rietveld XRD quantification, infrared… read more here.
Keywords: composite cements; system; al2o3; mass ... See more keywords
Interfacial Tension in the CaO-Al2O3-SiO2-(MgO) Liquid Slag–Solid Oxide Systems
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DOI: 10.1007/s11663-017-0978-9
Abstract: Interfacial phenomenon is critical in metal processing and refining. While it is known to be important, there are little data available for key oxide systems in the literature. In this study, the interfacial tension (σLS)… read more here.
Keywords: slag; oxide systems; slag solid; interfacial tension ... See more keywords
Evolution of Oxide–Sulfide Complex Inclusions and Its Correlation with Steel Cleanliness During Electroslag Rapid Remelting (ESRR) of Tool Steel
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DOI: 10.1007/s11663-018-1398-1
Abstract: The evolution of CaO-Al2O3-MgO-(SiO2) inclusions associated with CaS during electroslag rapid remelting (ESRR) of the tool steel with ultra low oxygen (8 ppm) under protective atmosphere was investigated. Thermodynamic calculation was performed to evaluate the oxygen… read more here.
Keywords: oxygen; rapid remelting; electroslag rapid; cao al2o3 ... See more keywords
Effect of CaO/Al2O3 ratio on viscosity and structure of CaO–Al2O3-based fluoride-free mould fluxes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Iron and Steel Research International"
DOI: 10.1007/s42243-019-00248-4
Abstract: The effects of CaO/Al2O3 ratio on viscosity and structure of the CaO-Al2O3-based fluoride-free mould fluxes were investigated with the CaO/Al2O3 ratio varied from 1 to 4 and the content of SiO2 fixed at 7 wt.%.… read more here.
Keywords: viscosity; cao al2o3; al2o3 ratio; cao ... See more keywords
Study on non-isothermal crystallization kinetics of the BaO-CaO-Al2O3-B2O3-SiO2 glass for IT-SOFCs sealing
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DOI: 10.1016/j.ceramint.2018.08.176
Abstract: Abstract The crystallization ability plays a key role in effecting thermal ability of sealing glass for intermediate temperature-solid oxide fuel cells (IT-SOFCs) to prevent fuel leakage during operation and insulate the cell stack from the… read more here.
Keywords: al2o3 b2o3; glass; crystallization; bao cao ... See more keywords
Geometrical modelling of the physicochemical properties of CaO–Al2O3–CaF2 slag at 1873K
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DOI: 10.1016/j.ceramint.2019.12.033
Abstract: Abstract CaO–Al2O3–CaF2 system is the most basic slag system for electroslag remelting (ESR). Its physicochemical properties, such as viscosity, electrical conductivity and sulfide capacity are all critical to the control and optimization of ESR process.… read more here.
Keywords: slag; physicochemical properties; model; al2o3 caf2 ... See more keywords
Influence of zirconium on cation mobilities in Na2O-CaO-Al2O3-SiO2 melts: A multicomponent diffusion and XANES study
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DOI: 10.1016/j.gca.2019.12.006
Abstract: Abstract High temperature cation mobilities, based on the multicomponent diffusion method, have been coupled with a structural investigation in the Na2O-CaO-Al2O3-SiO2-ZrO2 (NCASZ) system at 1200 °C and 1250 °C. From structural investigation using X-ray absorption spectroscopy (XANES),… read more here.
Keywords: diffusion; na2o cao; zirconium; al2o3 sio2 ... See more keywords
CO2 methanation over ordered mesoporous NiRu-doped CaO-Al2O3 nanocomposites with enhanced catalytic performance
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2017.11.052
Abstract: Abstract The ordered mesoporous NiRu-doped CaO-Al2O3 nanocomposites were synthesized via a facile evaporation-induced self-assembly method for CO2 methanation. Metallic Ni and Ru species retained the single-component heterostructure rather than NiRu alloy over the 600 °C-reduced catalysts.… read more here.
Keywords: al2o3 nanocomposites; mesoporous niru; doped cao; ordered mesoporous ... See more keywords
Dissolution of MgO based refractories in CaO-Al2O3-MgO-SiO2 slag
Sign Up to like & getrecommendations! Published in 2018 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2017.09.030
Abstract: Abstract Dissolution of different types of MgO based refractories into molten CaO-Al2O3-MgO-SiO2 slag was studied. Formation of micro spinel particles by addition of either colloidal alumina or micro alumina powder in the MgO matrix efficiently… read more here.
Keywords: mgo; slag; mgo based; cao al2o3 ... See more keywords
Adjustable emission color in Mn2+-doped Li2O-CaO-Al2O3-SiO2/P2O5 glass ceramics
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DOI: 10.1016/j.jnoncrysol.2018.04.032
Abstract: Abstract We prepared a series of Li2O-CaO-Al2O3-SiO2/P2O5 glass ceramics doped with Mn2+ and Mn2+/Tm3+ ions by traditional high-temperature melting method and thermal annealing technology. The XRD pattern, TEM image, excitation and emission spectra of the… read more here.
Keywords: mn2; li2o cao; al2o3 sio2; p2o5 glass ... See more keywords