Exploració per tema "Sintering"
Ara es mostren els items 1-17 de 17
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Characterization of 3D-printed ¿-Al2O3 used for Catalytic Applications
(Universitat Politècnica de Catalunya, 2021-07)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorIn recent years, additive manufacturing (AM) techniques have made significant progress by increasing printing quality, the variety of printable materials, and 3D printer accessibility. In this sense, ceramic materials play ... -
Diseño de una máquina de sinterizado láser selectivo
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
Accés restringit per decisió de l'autorEste proyecto trata del diseño de una máquina de sinterizado por láser selectivo. Se ha establecido el primer prototipo de una máquina, a la cual se le deberán realizar los correspondientes ensayos de prueba para conocer ... -
Effect of sintering parameters on microstructural evolution of low sintered geopolymer based on kaolin and ground-granulated blast-furnace slag
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-11-01)
Article
Accés obertThe effect of different sintering parameters on the mechanical properties of sintered kaolinGGBS will influence the variation of mechanical properties of sintered kaolin-GGBS geopolymer. Based on previous research, the ... -
Enhanced hydrothermal resistance of Y-TZP ceramics through colloidal processing
(2013-02-28)
Article
Accés restringit per política de l'editorialTwo commercial zirconia powders with 3 mol% of yttria (TZ3YE and TZ3YS, labeled as ZE and ZS, respectively) sup- plied by Tosoh (Japan) were used for this study. Maximum colloidal stability for ZE was achieved by ... -
Estudio de la tecnología de Sinterizado por Resistencia Eléctrica (ERS) y caracterización metalúrgica de las piezas obtenidas.
(Universitat Politècnica de Catalunya, 2019-06)
Treball Final de Grau
Accés obertEn la industria de la fabricación de herramientas de corte, uno de los materiales más utilizados en los últimos años ha sido el carburo cementado o metal duro (WC-Co) y uno de los procesos de fabricación para la conformación ... -
Etude du nickel fritté au SPS et de l’écrouissage du Fe-3%Si GO
(Universitat Politècnica de Catalunya / Université de Caen Basse-Normandie, 2011)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorLes objectifs de ce projet consistent à caractériser deux types de matériaux métalliques. La première partie porte sur le frittage d’une poudre de nickel pure par Spark Plasma Sintering (SPS) et la seconde s’intéresse à ... -
Fabricación y caracterización de Componentes de Inconel 718 producidos mediante manufactura aditiva basada en la extrusión usando pellets de moldeo por inyección metálica
(Universitat Politècnica de Catalunya, 2020-07-14)
Treball Final de Grau
Accés obertLa manufactura aditiva (AM) se define como el proceso de unión de materiales capa a capa para fabricar objetos tridimensionales. Recientemente ha aparecido una tecnología AM conocida como MEAM-HP (Material Extrusion ... -
Microstructure effects on BaTiO3/BaTi0.8Zr0.2O3 composites properties
(2016-05-15)
Article
Accés obertThe dielectric, pyroelectric and ferroelectric properties of bilayered BaTiO3/BaTi0.8Zr0.2O3 ceramics are described and correlated with their microstructure. Different sintering times are employed to change the microstructure ... -
Multi-phase (Zr,Ti,Cr)B2 solid solutions: Preparation, multi-scale microstructure, and local properties
(2023-01-11)
Article
Accés obertMulti-phase ceramics based on ZrB2, TiB2 and doped with CrB2 and SiC were prepared by powder metallurgy and hot pressing to explore the possibility of obtaining multi-scale microstructures by super-saturation of complex ... -
Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
(Royal Society of Chemistry (RSC), 2023-08-08)
Article
Accés obertFlash sintering is a novel sintering technique that allows high-density ceramics to be obtained at low temperatures and using short dwell times, thus providing an energy-efficient alternative to conventional sintering. The ... -
Pure perovskite BiFeO3–BaTiO3 ceramics prepared by reaction flash sintering of Bi2O3–Fe2O3–BaTiO3 mixed powders
(2021-06)
Article
Accés obertIn this work, the 0.67BiFeO3-0.33BaTiO3 ferroelectric ceramic was prepared by Reaction Flash Sintering (RFS). This preparation technique combines synthesis and sintering in a single Flash experiment. The starting oxides ... -
Sinterització i caracterització de pols amb propietats autolubricants
(Universitat Politècnica de Catalunya, 2016-09)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Surface modification of 3Y-TZP with cerium oxide
(Elsevier, 2010-11)
Article
Accés restringit per política de l'editorial -
Titanium scaffolds fabricated by Direct Ink Writing and functionalized with dual-action coatings with osteoinductive and antibacterial properties
(2021)
Text en actes de congrés
Accés obertThe stress shielding, a result of the stiffness mismatch between titanium and bone, the lack of bioactivity and the infections are the main cause of the implants failure. In this work, porous titanium structures (between ... -
Toward a new PTCR material based on the Na2Ti6O13/Na2Ti3O7 system
(2021-08)
Article
Accés obertMixed phases of sodium titanate ceramics are obtained using both conventional and laser sintering methods. It was observed a clear dependence on the structural, microstructural and electrical resistivity with the employed ... -
Um modelo para detectar a geração de plasma num processo de sinterização de sílica SPS
(Universitat Politècnica de Catalunya / Universidade de São Paulo, 2013)
Treball Final de Grau
Accés restringit per decisió de l'autor
Realitzat a/amb: Universidade de São PauloO problema inverso de identificação de fontes de calor pontuais é proposto como uma forma de detectar a geração de plasma num processo de sinterização SPS. Depois um esquema de resolução utilizando o método dos elementos ... -
Unexpected dielectric response in lead zirconate titanate ceramics: The role of ferroelectric domain wall pinning effects
(2007-07)
Article
Accés obertTemperature dependent dielectric response has been measured in Pb(Zr1-xTix)O-3 ceramics. Samples of different compositions (x=0.40, 0.47, and 0.60), pure and doped with Nb-or Fe, were studied at temperatures between 15 and ...