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Phase Transformations and Properties Evolution of Alumina-Based Refractory Castables Containing ZnO and SiO2 [PDF]

Materials Research, 2022
Although most of the studies presented in the literature are focused on MgAl2O4 formation and its role on alumina-based refractories performance, ZnO has been reported as a promising spinel inducer. Aiming to investigate the influence of ZnAl2O4 (ZA) and
D. S. Fini, C. L. C. de Mauro, B. P. Bezerra, A. P. Luza   +3 more
doaj   +2 more sources

The effect of carbon and polypropylene fibers on thermal shock resistance of the refractory castable

Journal of Civil Engineering and Management, 2017
This work investigates medium cement refractory castable with additives of carbon and polypropylene fibers. The peculiarities of microstructure changes in the fiber and castable matrix contact zone, channel formation, and changes of cold crushing ...
Valentin Antonovič, Jerzy Witek, Romualdas Mačiulaitis, Renata Boris, Rimvydas Stonys   +4 more
doaj   +3 more sources

Deterioration mechanism of Al2O3–MgO refractory castable in RH refining ladle

Open Ceramics, 2023
The purpose of this work was to investigate the deterioration mechanism of an optimized Al2O3–MgO refractory castable during industrial trials. After structural optimization, the average corrosion rate of every cycle deceased to 0.29 mm/cycle from 0.46 ...
Junfeng Chen, Yu Zhang, Guangping Liu, Guoping Wei, Yi Zhao, Wen Yan, Nan Li   +6 more
doaj   +2 more sources

Preparation and properties of low cement castable sintered at different temperatures [PDF]

Processing and Application of Ceramics, 2009
The low cement high alumina castable (LCC) studied in this paper was synthesised, cured and then treated at different sintering temperatures. Since any inhomogeneity introduced during the castable preparation can remain inside the material degrading its ...
Sanja Martinović, Jelena Majstrović, Velislav Vidojković, Tatjana Volkov-Husović   +3 more
doaj   +2 more sources

Influence of the damage level during quenching on thermal shock behavior of low cement castable [PDF]

Science of Sintering, 2010
In the recent decades, the use of unshaped monolithic refractories has been increasing greatly because of their significant advantages over other shaped refractory bricks of the same class.
Martinović S., Majstorović J., Vidojković V., Volkov-Husović T.   +3 more
doaj   +3 more sources

Fly Ash as a Secondary Raw Material Improving the Sustainable Characteristics of a Conventional Silicoaluminate Refractory Castable [PDF]

Inorganics
The global reliance on coal-fired power generation continues to produce vast quantities of fly ash, exceeding 500 million tons annually, with limited recycling rates.
Jesús Fernando López-Perales, Leonel Díaz-Tato, Sinuhe Uriel Costilla-Aguilar, Yadira González-Carranza, José Eulalio Contreras de León, Edén Amaral Rodríguez-Castellanos   +5 more
doaj   +2 more sources

Analysis of the Formed Protective Layer Inhibiting Alkali Corrosion in Aluminosilicate Refractory Castables

Ceramics, 2022
This article analyzes the mechanism of the protective layer formation under the action of alkali in a refractory castable when ground quartz sand (GQS) is used as an admixture to produce refractory conventional castables (CC) and medium cement castables (
Valentin Antonovič, Rimvydas Stonys, Povilas Zdanevičius, Romualdas Mačiulaitis, Renata Boris, Jurgita Malaiškienė   +5 more
doaj   +1 more source

A simple methodology based on numerical analysis for the drying curve design of a castable lined steel ladle

Open Ceramics, 2023
Energy efficiency is closely linked to industry goals of reducing environmental impacts, where selecting the best heating curve has a great effect on the total energy consumption, costs, and CO2 emission, especially for refractory castable lining ...
T.M. Cunha, M.H. Moreira, M.F. Santos, R.A. Angélico, V.C. Pandolfelli   +4 more
doaj   +1 more source

Investigation of the milling route for the development of colloidal suspensions to be used as binder in refractory castables

Open Ceramics, 2023
Refractories castables bonded with CAC (calcium aluminate cement) have a limitation when they are used at high temperature in micro-silica containing system and/or in acidic corrosive environments.
S. Abdelouhab, C. Lang, C. Delmotte, V. Vandeneede, M. Thiesen, L. Ibarra, O. Krause, E. Brochen, C. Dannert   +8 more
doaj   +1 more source

Influence of lithium carbonate and superplasticizer as admixtures on low calcium dialuminate cement castable submitted to thermal shock

Journal of Asian Ceramic Societies, 2021
The purpose of this study was to investigate the hot properties of low calcium dialuminate cement castable as binder with varying amount of Li2CO3 and castament FS20 superplasticizer as admixtures. Thermal damage test was carried out through quenching in
Arlin Bruno Tchamba, George Elambo Nkeng, Nangah Che Randy, Marcel Guidana, Ngouloure N M Zenabou, Yannick Tchedele Langollo, Daniel Ducho, Thomas A. Bier   +7 more
doaj   +1 more source