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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Koralnik, Mateusz
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Topics
Publications (9/9 displayed)
- 2017Thermo-visual camera used for the evaluation of the drying time in the production of casting dies
- 2017Assesment of Infrared Drying Time of Ceramic Shell Molds with use of Thermal Imaging Camera
- 2017Evaluation of Cooling Time of SiC Ceramic Mold Using Thermal Imaging Camera
- 2017Microstructure characterization of ceramic shell molds
- 2016Characterization and evaluation properties of ceramic proppants used in the extraction of the unconventional hydrocarbons
- 2016The Influence of the Melt-Pouring Temperature and Inoculant Content on the Macro and Microstructure of the IN713C Ni-Based Superalloycitations
- 2016Experimental ceramic proppants characterization in the process of shale gas extraction
- 2015Study of deflocculation of white clay for obtaining ceramic proppants fabrication in spray dryer
- 2015Influence of deflocculant addition on rheological properties of the slurries based on bauxite
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document
Microstructure characterization of ceramic shell molds
Abstract
According to fast growth of foundry engineering, new solutions for processing optimization are needed. Nowadays, the ceramic shell molds are acquiring popularity. Their huge possibilities of properties improving make them really attractive. The aim of this article was to present the most important technological parameters and their influence on the construction of first and structural layers on wax model. The samples for characterization were prepared in two steps: firstly the slurry was prepared, than the structural layers were formed on the wax model. It was stated that technological parameters of slurries are important for obtaining well developed layers. For the production of slurries the alumina powders were used with the size of particles of 200 and 325 Mesh. The aqueous polymer – ceramic nanocomposite LUDOX AM with the 35 wt. % of nanometric SiO2 was used as a binder. In the fram of work , the SEM observations of powder particles were done. Next, the size distribution of powder particles were described with the use of size distribution laser analyzer. To describe the phase composition of powders the XRD technique were used. After that, the slurries were prepared and their technological parameters were measured: relative viscosity, pH, temperature and density.