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A numerical approach for the combined analysis of the dynamic thermal behaviour of an entire ceramic roller kiln and the stress formation in the tiles
Elsevier (2019-04-12)The numerical analysis of thermal and fluid dynamics behaviour of an industrial roller kiln used for manufacturing ceramic tiles is carried out and combined with the analysis of the mechanical stresses formed in the final ... -
Residual stresses in porcelain tiles. Measurement and process variables assessment
Elsevier (2019-04-22)This research addresses the residual stresses phenomenon taking place during the manufacture of porcelain tiles. Residual stresses were quantified by the strain relaxation slotting method. The method is based on the fact ... -
Modeling of High Nanoparticle Exposure in an Indoor Industrial Scenario with a One-Box Model
MDPI (2019-05)Mass balance models have proved to be effective tools for exposure prediction in occupational settings. However, they are still not extensively tested in real-world scenarios, or for particle number concentrations. An ... -
Complete Characterization of Thermoelectric Materials by Impedance Spectroscopy
American Chemical Society (2019-05-01)Thermoelectric materials can directly convert waste heat into electricity. Because of the vast amount of energy available as waste heat in our society, these materials could contribute to reduce our dependence on fossil ... -
Effectiveness of nanoparticle exposure mitigation measures in industrial settings
Elsevier (2019-07)Inhalation of airborne nanoparticles is a well-known source of potentially health-hazardous occupational exposures. Effective mitigation measures are necessary to reduce exposure, but also challenging to implement due to ... -
Inkjet technology for ceramic products. Influence of some process variables on ink penetration
Wiley (2019-07-27)Inkjet technology has become very popular in recent years and is nowadays widely used for decorating ceramic products. This has led to in-depth study of the operating principles and process variables involved. These ... -
An experimental study and computational validation of waste heat recovery from a lab scale ceramic kiln using a vertical multi-pass heat pipe heat exchanger
Elsevier (2020)The development of waste heat recovery technologies has surged as a result of climate change initiatives, which require energy intensive industries to curb their emissions and lower energy consumption. Installing heat pipe ... -
Electrochemical Degradation of Reactive Black 5 using two-different reactor configuration
Nature Research (2020)Novel Sb-doped SnO2 ceramic electrodes sintered at different temperatures, are applied to the degradation of Reactive Black 5 in both divided and undivided electrochemical reactors. In the undivided reactor the discoloration ... -
Mechanical properties obtained by nanoindentation of sintered zircon-glass matrix composites
Elsevier (2020-01-10)This study was undertaken to determine the effect of zircon content and firing temperature on the hardness and indentation modulus of zircon–glass composites obtained by sintering. A standard non-devitrified borosilicate ... -
Effect of particle size distribution on the sinter-crystallisation kinetics of a SiO2-Al2O3-CaO-MgO-SrO glass-ceramic glaze
Elsevier (2020-05-20)Sinter-crystallisation kinetics of a glaze with an average particle size of 9.6µm, 4.0µm and 0.65µm, which devitrified anorthoclase and diopside, were studied by non-isothermal techniques. It was confirmed that the ... -
Comparison of different silica sources in the development of plasma sprayed 45S5 bioactive glass coatings
Elsevier (2020-06-11)45S5 bioactive glass coatings were deposited by plasma spraying from liquid feedstocks. In these feedstocks, the SiO2 needed to achieve the 45S5 bioactive glass composition has been provided either as tetraethyl orthosilicate ... -
Effect of pore generator on microstructure and resistivity of Sb(2)O(3)and CuO doped SnO(2)electrodes
Springer (2020-08-08)Sb2O3 and CuO doped SnO2 ceramic electrodes could be an alternative to the ones currently used ones in the electrooxidation process of water pollutants. The rise of electrode surface by introducing a porogen agent on the ... -
Engineering zirconia coating microstructures by using saccharides in aqueous suspension plasma spraying feedstocks
Elsevier (2020-10-15)This study aims to demonstrate the feasibility to develop columnar microstructures in zirconia coatings manufactured by suspension plasma spray, through the modification of the properties of the suspension feedstocks with ... -
Microfluidic rheology: A new approach to measure viscosity of ceramic suspensions at extremely high shear rates
Elsevier ScienceDirect (2020-12-19)This paper describes the operation principles of a micro-scale rheometry equipment based on the technology of microchannels on a chip and compares it with a conventional macro-scale rotational rheometer. Both techniques ... -
Sintered microstructure effect on RF-wave shielding properties of a Cu-doped Ni–Zn-polycrystalline ferrite
Elsevier (2021)The shielding properties of a Cu-doped Ni–Zn polycrystalline ferrite in the frequency range 1 MHz to 1 GHz were explored. Samples of composition (Cu0.12Ni0.23Zn0.65)Fe2O4 were prepared by the traditional ceramic route. The ... -
Influence of microstructure and magnetizing mechanisms on magnetic complex permeability (imaginary part) of a Cu-doped Ni-Zn polycrystalline ferrite
Elsevier (2021)The complex permeability of the Cu-doped Ni–Zn polycrystalline ferrites is strongly dependent on microstructure, particularly on relative density (ϕ) and average grain size (G), as it has been shown in a previous ... -
Effect of feedstock and plasma gun on the microstructure and bioactivity of plasma sprayed bioactive glass coatings
Elsevier (2021-01-25)Plasma–sprayed 45S5 bioactive glass coatings were manufactured using two types of powder feedstocks (commercial and lab–made 45S5 glass) and two plasma torches (single and triple cathode) to analyse their influence on ... -
Effect of type and amount of alumina as dopant over the densification and the electrical properties of zinc oxide ceramic electrodes
Elsevier (2021-02)Aluminum-doped zinc oxide (AZO) electrodes can be a good alternative to replace the expensive electrodes (Ti, ITO, FTO, etc.), which are used in the electrooxidation process to remove refractory and emergent contaminants ... -
Single droplet drying of detergents: Experimentation and modelling
Elsevier (2021-03-03)This study evaluates the single droplet drying (SDD) of detergents. Experimental data are used to validate a theoretical multistage model. The experiments are carried out in an acoustic levitator analysing six different ... -
Feasibility of incorporating silica aerogel in atmospheric plasma spraying coatings
Elsevier (2021-06-07)This study aims to demonstrate the feasibility of developing zirconia ceramic coatings with the incorporation of silica aerogel particles, which exhibit outstanding insulating properties. Thus, the research aims to find a ...