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Browsing by Subject "Sintering"

Now showing items 1-20 of 24

Alumina/molybdenum nanocomposites obtained by colloidal synthesis and spark plasma sintering

Fernández-González, Daniel; Suárez-Menéndez, Marta; Piñuela-Noval, Juan; Díaz, Luís Antonio; Gómez-Rodríguez, Carlos; García Quiñonez, Luís V.; Borrell Tomás, María Amparo; Fernández-Valdés, Adolfo (Elsevier, 2023-03-15)

[EN] Alumina/molybdenum nanocomposites were prepared by colloidal synthesis from alumina powder and molybdenum (V) chloride using ethanol as dispersion medium. Modified alumina was calcined at 450 ¿C in air atmosphere to ...
Comparative study of the presence of latex and polychloroprene in the behavior of sintered powder EPDMCR, ethylene-propylenediene-monomer crumb rubber

Crespo Amorós, José Enrique; Parres, F.; Nadal Gisbert, Antonio Vicente (SAGE Publications (UK and US), 2012-03)

In this work, the mechanical behavior of sintered waste material of ethylene-propylene-diene-monomer crumb rubber (EPDMCR) is analyzed, optimizing the temperature and compression pressure. The results obtained showed that ...
CuO improved (Sn,Sb)O2 ceramic anodes for electrochemical advanced oxidation processes

Sánchez-Rivera, M.J.; Giner-Sanz, Juan José; Pérez-Herranz, Valentín; Mestre, S. (Blackwell Publishing, 2019-04-02)

[EN] Antimony¿doped tin oxide electrodes with CuO as sintering aid are presented as an economical alternative to metal¿based electrodes, intended for the electrooxidation process of emerging and recalcitrant organic ...
Effect of Al2O3-NbC nanopowder incorporation on the mechanical properties of 3Y-TZP/Al2O3-NbC nanocomposites obtained by conventional and spark plasma sintering

Salem, Raphael; Monteiro, Raphael; Gutierrez, Carlos F.; Borrell Tomás, María Amparo; Salvador Moya, Mª Dolores; Chinelatto, Adriana S.A.; Chinelatto, Adilson; Ferreira, Julieta; Pallone, Eliria (Elsevier, 2018-02-01)

[EN] The incorporation of Al2O3-NbC-nanopowder reinforcement in a 3Y-TZP matrix, and its influence on the mechanical properties of 3YTZP/Al2O3-NbC nanocomposites, obtained by conventional and spark plasma sintering (SPS), ...
Effect of pore generator on microstructure and resistivity of Sb2O3 and CuO doped SnO2 electrodes

Sánchez-Rivera, M.-J.; Gozalbo, A.; Pérez-Herranz, Valentín; Mestre, S. (Springer-Verlag, 2020-12)

[EN] Sb(2)O(3)and CuO doped SnO(2)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 ...
Effect of type and amount of alumina as dopant over the densification and the electrical properties of zinc oxide ceramic electrodes

Sánchez-Rivera, M.J.; Orts, M.J.; Pérez-Herranz, Valentín; Mestre, S. (Elsevier, 2021-01)

[EN] 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 ...
Estudio de modificación del proceso de producción de una pieza de PTFE para hacerla bicomponente y su optimización para reducir tiempos de fabricación y material desechado

Pastor Navarro, Manuel (Universitat Politècnica de València, 2023-07-06)

[ES] El proceso de producción de la pieza de PTFE consiste en el moldeo por compresión (en frío) y posterior sinterizado para obtener barras y tubos, que luego se mecanizan hasta lograr la pieza final para el cliente. Por ...
ESTUDIO DE SINTERABILIDAD DE SIMULANTES DE REGOLITO LUNAR Y DE MARTE MEDIANTE MÉTODOS CONVENCIONALES Y NO CONVENCIONALES

Gilbert, Aurore (Universitat Politècnica de València, 2022-02-11)

[ES] El diseño y la construcción de una base permanente en la Luna y en Marte, en un futuro algo más lejano, es uno de los mayores retos a los que se enfrentan los organismos espaciales. Los expertos y defensores de la ...
Experimental design applied to improving theeffect of bismuth oxide as a sintering aid for tin oxide

Sánchez-Rivera, María-José; Gozalbo, Ana; Pérez-Herranz, Valentín; Mestre, Sergio (Elsevier, 2018)

[ES] El óxido de estano¿ es un material ampliamente estudiado dada su gran variedad de aplicaciones. Sin embargo, debido a que sinteriza sin densificar, su procesado requiere la incorporación de promotores de la sinterización. ...
Fabrication of ultrafine and nanocrystalline WC-Co mixtures by high energy milling

Bonache Bezares, Victoria; Salvador Moya, Mª Dolores; Busquets Mataix, David Jerónimo; Segovia-López, Francisco (MANEY PUBLISHING, 2009)

[EN] In this work ultrafine and nanocrystalline WC-Co mixtures were obtained by low energy milling in planetary ball mill. The effect of the processing conditions on the reduction and distribution of the grain sizes and ...
Improvement of microstructural properties of 3Y-TZP materials by conventional and non-conventional sintering techniques

Borrell Tomás, María Amparo; Salvador Moya, Mª Dolores; Rayón Encinas, Emilio; Penaranda-Foix, Felipe L. (Elsevier, 2012-01)

3 mol% Y2O3-stabilized zirconia nanopowders were fabricated using various sintering techniques; conventional sintering (CS) and non-conventional sintering such as microwave (MW) and pulsed electric current-assisted-sintering ...
Improving mechanical properties and microstructure development of fiber reinforced ceramic nuclear fuel

Sacramento Santana, Hesdras Henrique (Universitat Politècnica de València, 2014-04-30)

At the present work the UO2 fuel production process was extensively studied and analyzed. The objectives of such investigation were to understand and analyze the influence of different additives and the variation of the ...
LZS/Al2O3 nanostructured composites obtained by colloidal processing and spark plasma sintering

Arcaro, S.; Novaes de Oliveira, A.P.; Gutierrez-Gonzalez, C.F.; Salvador Moya, Mª Dolores; Borrell Tomás, María Amparo; Moreno, Rodrigo (Elsevier, 2017-12)

[EN] Li2O-SiO2-ZrO2 (LZS) glass-ceramics have high mechanical strength, hardness, resistance to abrasion and chemical attack, but also a high coefficient of thermal expansion (CTE), which can be reduced adding alumina ...
Materiales cerámicos avanzados con aplicaciones odontológicas obtenidos por sinterización de polvos mediante la técnica de microondas

Presenda Barrera, Álvaro (Universitat Politècnica de València, 2015-07-31)

[EN] Microwave sintering is one of the most novel methods for processing advanced ceramic materials and it represents a very attractive alternative with respect to traditional sintering methods. It offers several important ...
Microstructural design for mechanical and electrical properties of Spark Plasma Sintered Al2O3-SiC nanocomposites

Borrell Tomás, María Amparo; Alvarez, I.; Torrecillas, R.; Rocha, V. G.; Fernandez, A. (Elsevier, 2012-02-01)

[EN] Al2O3-17 vol.% SiC nanocomposites were prepared by powder mixture of submicrosized alpha-Al2O3, nanosized gamma-Al2O3 and different nanosized beta-SiC. Materials were sintered by spark plasma sintering (SPS) technique ...
Microstructural evolution of Ti-6Al-4V during the sintering of microspheres of Ti for orthopedic implants

Amigó, Vicente; Salvador Moya, Mª Dolores; Romero, F.; Solves-Camallonga, Clara; Moreno, J.F. (Elsevier, 2003-10-01)

[EN] There are also important complementary stabilization treatments of the microstructure by means of controlled cooling at high speeds it avoids the formation of beta phases in grain boundaries, at the same time that ...
Microstructure and mechanical properties of NiCoCrAlYTa alloy processed by press and sintering route

Pereira Falcón, Juan Carlos; ZAMBRANO CARRULLO, JENNY CECILIA; Afonso, Conrado Ramos Moreira; Amigó Borrás, Vicente (Elsevier, 2015-03)

Nickel-based superalloys such as NiCoCrAlY are widely used in high-temperature applications, such as gas turbine components in the energy and aerospace industries, due to their strength, high elastic modulus, and ...
Powder metallurgy processing of Nb-modified near beta titanium alloys prepared with elemental powders

Opini, Victor Carvalho; Fogagnolo, Joao Batista; Amigó, Vicente; Caram, Rubens; Soyama, Juliano (Maney Publishing, 2023-10-20)

[EN] Near ß Ti alloys typically show high specific strength and provide a wide spectrum of mechanical properties with different heat treatments. In this work, a commercial near ß Ti alloy Ti-5553 (Ti-5Al-5V-5Mo-3Cr-0.5Fe) ...
Processing of Ti Scaffolds by Sintering with Different Spacers

Tojal Domenech, Concepcion; Candel Bou, Juan José; Amigó Borrás, Vicente; Devesa Albeza, Francisco (Trans Tech Publications, 2012-08)

Titanium is a material used in biomedicine for osseous implants due to their low density and biocompatibility. Its use in this field is limited by the lack of similarity of their stiffness with the stiffness of bones. In ...
Stiffness variation of porous titanium developed using space holder method

Reig Cerdá, Lucía; Amigó Borrás, Vicente; Busquets Mataix, David Jerónimo; Calero, José Antonio (Maney Publishing, 2011-07)

The excellent properties of Ti have resulted in its generalised use for bone implants. However, Ti is very stiff in comparison with human cortical bone, and this creates problems of bone weakening and loosening of the ...