Listar por autoría "b5a9c621-a9eb-45ba-83fa-c33d86587083"
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Application of plasma-sprayed TiO2 coatings for industrial (tannery) wastewater treatment
Bordes, M. Carmen; Vicent Cabedo, Mónica; Moreno, Rodrigo; García Montaño, J.; Sánchez-Vilches, Enrique Elsevier (2015-12)Fine-structured photocatalytic TiO2 coatings were deposited by atmospheric plasma spraying (APS) on austenitic stainless steel coupons. One commercial spray-dried nanostructured TiO2 powder and five spray-dried powders ... -
Atmospheric plasma spraying coatings from alumina–titania feedstock comprising bimodal particle size distributions
Vicent Cabedo, Mónica; Bannier, Emilie; Moreno, Rodrigo; Salvador Moya, María Dolores; Sánchez-Vilches, Enrique Copyright © Elsevier (2013)In this work, Al2O3–13 wt% TiO2 submicron-nanostructured powders were deposited using atmospheric plasma spraying. The feedstocks were obtained by spray drying two starting suspensions of different solids content, prepared ... -
Bioactive glass suspensions preparation for suspension plasma spraying
Cañas Recacha, Eugeni; Vicent Cabedo, Mónica; Orts Tarí, María José; Moreno, Rodrigo; Sánchez-Vilches, Enrique Elsevier (2016-06)A bioactive glass was dry-milled and sieved in order to obtain powders with particle size finer than 63 μm. Two suspensions, with different particle size distribution (D50 = 8.3 μm and D50 = 2.2 μm), were subsequently ... -
Challenging zircon coatings by suspension plasma spraying
Cañas Recacha, Eugeni; Rosado, E.; Alcázar, C.; Orts Tarí, María José; Moreno, Rodrigo; Sánchez-Vilches, Enrique Elsevier (2022-04-30)Zircon is a ceramic material that decomposes at high temperature, limiting its use by conventional thermal spraying. In this work, it is intended to use thermal spraying from concentrated aqueous suspensions to evaluate ... -
Comparison of different silica sources in the development of plasma sprayed 45S5 bioactive glass coatings
Cañas Recacha, Eugeni; Díaz, M.; Alcázar, C.; Orts Tarí, María José; Moreno, Rodrigo; Sánchez-Vilches, Enrique 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 ... -
Comparison of freeze drying and spray drying to obtain porous nanostructured granules from nanosized suspensions
Vicent Cabedo, Mónica; Sánchez-Vilches, Enrique; Molina, Tamara; Nieto, María Isabel; Moreno, Rodrigo Elsevier (2012)This work studies the spray drying and freeze drying of different nanosized ceramic materials and the physicochemical characteristics of the obtained granules. Colloidal suspensions of alumina, titania, and a 87/13 mixture ... -
Dispersion of mixtures of submicrometer and nanometre sized titanias to obtain porous bodies
Vicent Cabedo, Mónica; Sánchez-Vilches, Enrique; Molina, Tamara; Nieto, María Isabel; Moreno, Rodrigo Elsevier (2013-12)The stability and rheological behaviour of bimodal titania suspensions was studied. Bimodal mixtures were prepared by mixing nanosized TiO2 powders with an average primary size of ∼20–40 nm and surface area of ∼50 m2 g−1 ... -
Dispersion of TiO2nanopowders to obtain homogeneous nanostructured granules by spray-drying
Vicent Cabedo, Mónica; Sánchez-Vilches, Enrique; Santacruz, Isabel; Moreno, Rodrigo Elsevier (2011)This work deals with the dispersion and stabilisation of nanosized TiO2 particles in an aqueous medium as a first step in the preparation of spray-dried nanostructured powders. A colloidal route leading to the production ... -
Effect of fructose-containing feedstocks on the microstructure of multicomponent coatings deposited by suspension plasma spraying
Carnicer Cervera, Víctor; Martinez-Julian, F.; Orts Tarí, María José; Sánchez-Vilches, Enrique; Moreno, Rodrigo Elsevier (2019-04)This work addressed to investigate the use of fructose as an additive in the water-based suspension feedstock of a Y-TZP/Al2O3/SiC multicomponent coating manufactured by suspension plasma spraying. The effect of fructose ... -
Effect of particle size distribution of suspension feedstock on the microstructure and mechanical properties of suspension plasma spraying YSZ coatings
Carpio Cobo, Pablo; Bannier, Emilie; Salvador Moya, María Dolores; Borrell, A.; Moreno, Rodrigo; Sánchez-Vilches, Enrique Elsevier (2015-04)In this work, aqueous suspension feedstocks with different particle size distribution from submicron- and nano-sized YSZ powders were prepared. A previous colloidal characterisation allowed concentrated suspensions (~ 40 ... -
Engineering zirconia coating microstructures by using saccharides in aqueous suspension plasma spraying feedstocks
Carnicer Cervera, Víctor; Orts Tarí, María José; Moreno, Rodrigo; Sánchez-Vilches, Enrique 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 ... -
Influence of solids concentration on the microstructure of suspension plasma sprayed Y-TZP/Al2O3/SiC composite coatings
Carnicer Cervera, Víctor; Orts Tarí, María José; Moreno, Rodrigo; Sánchez-Vilches, Enrique Elsevier (2019)The present research focuses on the effect of feedstock suspension solid concentration on the microstructure of suspension plasma sprayed Y-TZP/Al2O3/SiC composite coatings. For this purpose, concentrated aqueous suspensions ... -
Influence of the feedstock characteristics on the microstructure and properties of Al2O3–TiO2 plasma-sprayed coatings
Vicent Docón, María Jesús; Bannier, Emilie; Benavente, Rut; Salvador, M. D.; Molina, Tamara; Moreno, Rodrigo; Sánchez-Vilches, Enrique Elsevier (2013-04)Atmospheric plasma spraying (APS) is an interesting technique to obtain nanostructured coatings due to its versatility, simplicity and relatively low cost. However, nanometric powders cannot be fed into the plume using ... -
Microfluidic rheology: A new approach to measure viscosity of ceramic suspensions at extremely high shear rates
Carnicer Cervera, Víctor; Alcazar Rodrigo, María Del Carmen; Orts Tarí, María José; Sánchez-Vilches, Enrique; Moreno, Rodrigo 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 ... -
Microstructure and photocatalytic activity of APS coatings obtained from different TIO2 nanopowders
Bordes, M. Carmen; Vicent Docón, María Jesús; Moreno Berto, Arnaldo Vicente; Moreno, Rodrigo; Borrell, A.; Salvador, M. D.; Sánchez-Vilches, Enrique Elsevier (2013-04)In recent years, intense research has shown that thermal spray techniques, especially atmospheric plasma spraying (APS), can be used to obtain nanostructured TiO2 coatings with effective photocatalytic activity. This ... -
Microstructure assessment of suspension plasma spraying coatings from multicomponent submicronic Y-TZP/Al2O3/SiC particles
Carnicer Cervera, Víctor; Orts Tarí, María José; Moreno, Rodrigo; Sánchez-Vilches, Enrique Elsevier (2018-08-01)In this research, Suspension Plasma Spraying (SPS) technique was used for the thermal deposition of a multicomponent mixture made up of an Y-TZP/Al2O3 matrix with SiC particles. Two suspensions of Y-TZP and Al2O3 with ... -
Preparation and spray drying of Al2O3–TiO2 nanoparticle suspensions to obtain nanostructured coatings by APS
Sánchez-Vilches, Enrique; Moreno Berto, Arnaldo Vicente; Vicent Cabedo, Mónica; Salvador Moya, María Dolores; Bonache Bezares, Victoria; Klyatskina, Elizabeta; Santacruz, Isabel; Moreno, Rodrigo Elsevier (2010)Al2O3–TiO2 coatings were deposited on austenitic stainless steel coupons from nanostructured powders by atmospheric plasma spraying (APS). Commercial suspensions of nanosized Al2O3 and TiO2 particles were used as starting ... -
Preparation of feedstocks from nano/submicron-sized TiO2 particles to obtain photocatalytic coatings by atmospheric plasma spraying
Bordes, M. Carmen; Vicent Cabedo, Mónica; Moreno Berto, Arnaldo Vicente; López, Verónica; Moreno, Rodrigo; Salvador Moya, María Dolores; Benavente, Rut; Sánchez-Vilches, Enrique Elsevier (2014-12)Atmospheric plasma spraying (APS) has been proved useful in obtaining TiO2 coatings with effective photocatalytic activity. However, the influence of feedstock characteristics on photocatalytic activity has hardly been ... -
Preparation of high solids content nano-titania suspensions to obtain spray-dried nanostructured powders for atmospheric plasma spraying
Vicent Cabedo, Mónica; Sánchez-Vilches, Enrique; Moreno Berto, Arnaldo Vicente; Moreno, Rodrigo Elsevier (2012)Nanosized TiO2powder with an average primary size of ∼20 nm and surface area of ∼50 m2/g (Aeroxide®P25, Degussa-Evonik, Germany) was used as starting material. A colloidal titania suspension from the same supplier was also ... -
Role of suspension preparation in the spray drying process to obtain nano/submicrostructured YSZ powders for atmospheric plasma spraying
Carpio Cobo, Pablo; Moreno, Rodrigo; Gómez, Andrés; Salvador, M. D.; Sánchez-Vilches, Enrique Elsevier (2015)Thermal barrier coatings were manufactured by atmospheric plasma spray process from YSZ powders. These powders were made by a reconstitution process which consists in a spray-drying of suspensions followed by thermal ...