693.932 PEOPLE
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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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Szafran, Mikołaj
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (40/40 displayed)
- 2020Polyvinylidene difluoride-based composite: glassy dynamics and pretransitional behaviourcitations
- 2020Sweet ceramics: how saccharide-based compounds have changed colloidal processing of ceramic materialscitations
- 2020Influence of core‐shell structure on the cure depth in photopolymerizable alumina dispersioncitations
- 2019Gelcasting of Al2O3–W composites: Broadband dielectric spectroscopy and rheological studies of tungsten influence on polymerisation kineticscitations
- 2019Application of highly sensitive spectrophotometric analysis in detection of metal content in molybdenum reinforced alumina obtained by precursor infiltration of ceramic preformscitations
- 2018Dense alumina ceramics obtained by gelcasting and cold isostatic pressing with the use of 2-carboxyethyl acrylatecitations
- 2018Surface modification of alumina powder to prevent exfoliation of samples fabricated by gelcasting
- 2018Combined centrifugal-slip casting method used for preparation the Al2O3-Ni functionally graded compositescitations
- 2018Sintering behavior and thermal expansion of zirconia–titanium compositescitations
- 2018Enhancement of thermo-rheological properties of smart materials based on SiO2 and PPG modificated with expanded graphitecitations
- 2018Thermoanalytical studies of the ceramic-metal composites obtained by gel-centrifugal castingcitations
- 2018Copolymers dispersions designed to shaping of ceramic materials - Investigations of glass transition temperature, thermal stability and decomposition of water-thinnable binderscitations
- 2017Colloidal processing of Al2O3 and BST materials - investigations of thermal stability and decomposition of green bodiescitations
- 2017New dynamics in poly(propylene glycol) based glass-forming nanocompositescitations
- 2016Magnetic field alignment in highly concentrated suspensions for gelcasting processcitations
- 20162-carboxyethyl acrylate as a new monomer preventing negative effect of oxygen inhibition in gelcasting of aluminacitations
- 2016Stabilization of heavy metal particles in Al2O3-W suspensionscitations
- 2016Fabrication of ZrO2-Ti composites by slip casting methodcitations
- 2015Tunable ceramic-polymer composites for electronic applications
- 2015Deflocculation and stabilization of Ti3SiC2 ceramic powder in gelcasting processcitations
- 2015Forming graded microstructure of Al2O3-Ni composite by centrifugal slip casting
- 2014Monoacryloyl esters of carbohydrates: Synthesis, polymerization and application in ceramic technologycitations
- 2014Acryloyl derivative of glycerol in fabrication of zirconia ceramics by polymerization in situcitations
- 2014Fabrication of textured alumina by magnetic alignment via gelcasting based on low-toxic systemcitations
- 2014Preparation of Al2O3-Ni Cermet Composites by Aqueous Gelcastingcitations
- 2014Application of gelcasting method on ceramic-metal composite fabrication
- 2013The influence of nano-SiO2 particle size on dilatant effect of shear thickening fluids
- 2013Fabrication of textured [alpha]-alumina in high magnetic field via gelcasting with the use of glucose derivativecitations
- 2013Ceramic porous materials made of ZnO intended for eliminating particles imitating viruses from water
- 2013The effect of nano SiO2 particle size distribution on rheological behaviour of shear thickening fluidscitations
- 2013Tunable Ferroelectric Ceramic-Polymer Composites for Sub-THz Applications
- 2013New anhydrous aluminum nitride dispersions as potential heat-transferring mediacitations
- 2013New multifunctional compounds in gelcasting process - introduction to their synthesis and application
- 2011Properties of Water-Based Slurries for Fabrication of Ceramic-Metal Composites by Slip Casting Methodcitations
- 2009Ceramic-in-polymer versus polymer-in-ceramic polymeric electrolytes—A novel approachcitations
- 2004Microstructure and properties of novel ceramic–polymer compositescitations
- 2004Water Thinnable Polymeric Binders in Die Pressing of Aluminacitations
- 2004Effect of glass transition temperature of polymeric binders on properties ceramic materialscitations
- 2003Ceramic-polymer ferroelectric materials for antenna applicationscitations
- 2001Vinyl Acetate Copolymers in Die Pressing of Aluminacitations
Places of action
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article
Gelcasting of Al2O3–W composites: Broadband dielectric spectroscopy and rheological studies of tungsten influence on polymerisation kinetics
Abstract
Gelcasting is a method which allows for the production of high-quality ceramic-metal composites. In this work, the problem of local polymerisation in gelcasting of alumina-tungsten composite and metal influence on activation energy of glycerol monoacrylate was investigated. The broadband dielectric spectroscopy method was used for the first time to study the kinetics of gelation in ceramic processing. Polymerisation reaction rates constant of pure monomer, and monomer with ceramic and the metal filler, within the temperature range from 313 K to 333 K were determined. The obtained results were compared with rheological measurements. The calculated activation energy of polymerisation for monomer with 0.5 vol% of tungsten is 66 kJ/mol in comparison to a pure monomer which is 290 kJ/mol. This indicates the catalytic influence of metal on the polymerisation. Therefore, in the alumina suspension with tungsten polymerisation begins near the surface of the metal particles resulting in polymer structure inhomogeneity and lower mechanical properties of green bodies.