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Browsing by Subject "Scanning electron microscopy"

Now showing items 1-20 of 37

Análisis y caracterización microestructural de titanio alfa+beta obtenido por fabricación aditiva

Urrea Montolio, Noelia (Universitat Politècnica de València, 2023-10-20)

[ES] La fabricación aditiva de las aleaciones de titanio se centra principalmente en la aleación Ti-6Al-4V y especialmente en la de bajo contenido en intersticiales por su aplicabilidad en el campo biomédico. Sin embargo, ...
Archaeometric analysis of a fragment of molded stucco cornice with rope from the House of the Mithraeum (Mérida, Spain)

Fernández Díaz, Alicia; Bejarano Osorio, Ana María; Bustamante-Álvarez, Macarena; Yusa Marco, Dolores Julia; Vicente Palomino, S.; Castillo Alcántara, Gonzalo (Journal of Roman Archaeology LLC., 2022-06)

[EN] During the excavations carried out since 2017 in the House of the Mithraeum (Casa del Mitreo) in Mérida a collection of paintings was recovered from Room 11, which had been abandoned in the late 3rd c. CE after a fire. ...
Auto-Combustion of Corn Straw: Production and Characterization of Corn Straw Ash (CSA) for Its Use in Portland Cement Mortars

Paya Bernabeu, Jorge Juan; Escalera, Alejandro; Borrachero Rosado, María Victoria; Rosello Caselles, Josefa; Monzó Balbuena, José Mª; Soriano Martinez, Lourdes (MDPI AG, 2024-09)

[EN] Agricultural waste availability implies the possibility of recovering energy as biomass. The collateral effect is the production of ashes that, in some cases, have the potential to be reused in the manufacture of ...
Characterization of azo dyes on Pt and Pt/polyaniline/dispersed Pt electrodes

Molina Puerto, Javier; Fernández Sáez, Javier; Del Río García, Ana Isabel; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Elsevier, 2012-06-15)

The electrochemical characterization of two organic dyes (amaranth and procion orange MX-2R) has been performed on Pt electrodes and Pt electrodes coated with polyaniline and dispersed Pt. Electrodes with different Pt loads ...
Coating typologies and constrained swelling of hyaluronic acid gels within scaffold pores

Arnal Pastor, María Pilar; Vallés Lluch, Ana; Keicher, Matthias; Monleón Pradas, Manuel (Elsevier, 2011)

[EN] A set of elastomeric scaffolds with a well defined porous structure was prepared with a template leaching procedure and coated with hyaluronic acid solutions. Depending on the coating process parameters the hyaluronic ...
Diagnosis of Intermittent Faults in IGBTs Using the Latent Nestling Method with Hybrid Coloured Petri Nets

Rodríguez Urrego, Leonardo; García Moreno, Emilio; Quiles Cucarella, Eduardo; Correcher Salvador, Antonio; Morant Anglada, Francisco José; Piza, Ricardo (Hindawi Publishing Corporation, 2015)

This paper presents a fault diagnosis application of the Latent Nestling Method to IGBTs. The paper extends the Latent Nestling Method based in Coloured Petri Nets (CPNs) to hybrid systems in such a manner that IGBTs ...
Effect of nanopore geometry on ion current rectification

Apel, Pavel Yu; Blonskaya, Irina V.; Orelovitch, Oleg L.; Ramirez Hoyos, Patricio; Sartowska, Bozena A. (IOP Publishing: Hybrid Open Access, 2011-03-16)

We present the results of systematic studies of ion current rectification performed on artificial asymmetric nanopores with different geometries and dimensions. The nanopores are fabricated by the ion track etching method ...
Effect of nanosilica-based activators on the performance of an alkali-activated fly ash

Rodriguez Martinez, Erich David; Bernal, Susan A.; Provis, John L.; Paya Bernabeu, Jorge Juan; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria (Elsevier, 2013-01)

This paper assesses the effect of the use of an alternative activator based on nanosilica/MOH (M = K+ or Na+) blended solutions on the performance of alkali-activated fly ash binders. Binders produced with commercial ...
Electrochemical synthesis of polyaniline on conducting fabrics of polyester covered with polypyrrole/PW12O403-. Chemical and electrochemical characterization

Molina Puerto, Javier; Fernández Sáez, Javier; Del Río García, Ana Isabel; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Elsevier, 2011-06)

Polyaniline (Pani) has been electrochemically polymerized on conducting fabrics of polyester covered with polypyrrole/PW 12O 40 3-, obtaining a double conducting polymer layer. Electrochemical synthesis was performed by ...
Estudio de la influencia de la concentración de tántalo en aleaciones de entropía media Ti-Nb-Zr-Ta y perspectivas de futuros desarrollos para aplicaciones biomédicas

Guillotin, Titouan (Universitat Politècnica de València, 2024-09-04)

[ES] El desarrollo de materiales de alta entropía se ha generalizado desde que Cantor publicó su trabajo en 2014. Estas nuevas aleaciones presentan características muy especiales que pueden aplicarse también al campo ...
Estudio de la morfología interna de baterías de iones de litio sometidas a diferentes tipos de abuso a través de técnicas de Rayos X y microscopía electrónica de barrido.

Luna Mateo, José (Universitat Politècnica de València, 2024-07-17)

[ES] Dada la reciente inclusión en masa de los vehículos eléctricos al parque automovilístico de numerosos estados, es de vital importancia conocer los riesgos que estos pueden traer a las calles. Uno de los principales ...
Estudio del efecto del marcado láser en las propiedades superficiales de la aleación Ti-6Al-4V ELI, para implantes dentales

Ortiz-Cañavate González, Marta (Universitat Politècnica de València, 2023-03-20)

[ES] Cualquier dispositivo médico requiere de un marcado donde se dé información del número de pieza del componente, la marca comercial del fabricante, el símbolo CE en Europa y un número de lote, toda esta información se ...
Estudio y caracterización del efecto de adición de hierro y/o indio al titanio en su formación de aleaciones por fusión por arco eléctrico

Rodríguez Morales, Miguel Ángel (Universitat Politècnica de València, 2023-10-03)

[ES] La investigación en aleaciones de titanio se extiende a diferentes sectores industriales debido a sus excelentes propiedades, pues posee una resistencia mecánica específica excelente y una muy buena resistencia a ...
Evaluation of the efficiency of resin bound mortars in the ambit of stone restoration

Kröner, Stephan Ulrich; Mas Barberà, Xavier; Domenech Carbo, Mª Teresa (Instituto Universitario de Restauración del Patrimonio de la UPV, 2008)

This study presents the results of the applicability of resin bound mortars in the ambit of stone conservation and restoration. Historical buildings, as well as sculptures or ornamental artworks exposed to environmental ...
EVALUATION OF THE EFFICIENCY OF RESIN BOUND MORTARS IN THE AMBIT OF STONE RESTORATION

Kröner, Stephan Ulrich; Mas Barberà, Xavier; Domenech Carbo, Mª Teresa (Instituto Universitario de Restauración del Patrimonio de la UPV, 2010)

This study presents the results of the applicability of resin bound mortars in the ambit of stone conservation and restoration. Historical buildings, as well as sculptures or ornamental artworks exposed to environmental ...
Evaluation of the long-term compressive strength development of the sewage sludge ash/metakaolin-based geopolymer

Istuque, D.; Soriano Martinez, Lourdes; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan; Akasaki, J. L.; Melges, J. L. P.; Tashima, M. M. (Departmento de Publicaciones del CSIC, 2021-09)

[EN] This paper aimed to evaluate the long-term compressive strength development of the sewage sludge ash/metakaolin (SSA/MK)¿based geopolymer. SSA/MK¿based geopolymeric mortars and pastes were produced at 25ºC with different ...
Fibrin coating on poly (L-lactide) scaffolds for tissue engineering

Gamboa Martínez, Tatiana Carolina; Gómez Ribelles, José Luís; Gallego-Ferrer, Gloria (SAGE Publications (UK and US), 2011-09)

A hybrid scaffold was obtained by the deposition of a thin network of submicron fibrin fibrils on the microporous walls of a macroporous poly(L-lactide) (PLLA) three-dimensional structure. The fibrin coating is homogeneous ...
Impact of high hydrostatic pressure on the structure, diffusion of soluble compounds and textural properties of persimmon 'Rojo Brillante'

Vázquez Gutiérrez, José Luis; Hernández Carrión, María; Quiles Chuliá, Mª Desamparados; Hernando Hernando, Mª Isabel; Pérez Munuera, Isabel Mª (Elsevier, 2012-07)

[EN] The use of high hydrostatic pressure (HHP) provides a reliable way of obtaining high quality food. The aim of this work was to analyze the effect of high pressure treatments on the microstructure and textural properties ...
Improvement of adhesion properties of polypropylene substrates by methylmethacrylate UV photografting surface treatment

Balart Gimeno, Javier Francisco; Fombuena Borrás, Vicent; España, J.M.; Sánchez Nacher, Lourdes; Balart Gimeno, Rafael Antonio (Elsevier, 2012-01)

Polypropylene is a widely used commodity plastic from an industrial point of view. Typical applications include both low and high technological content, as it has a good balance between overall properties, processability ...
Improvement of thermal inertia of styrene-ethylene/butylene-styrene (SEBS) polymers by addition of microencapsulated phase change materials (PCMs)

Juárez Varón, David; Ferrándiz Bou, Santiago; Fenollar, O.; Fombuena, V.; Balart, R. (Elsevier, 2011)

[EN] In this work, microencapsulated phase change materials (PCMs) with a melting temperature of 52 °C have been used to improve thermal inertia phenomena on an elastomeric matrix of styrene-ethylene/butylene-styrene (SEBS) ...