Now showing items 1-20 of 24

  • 3D-printing of 8Y-TZP solid oxide fuel cell electrolytes 

    Claude, Paulo (Universitat Politècnica de Catalunya, 2019-02-15)
    Master thesis
    Open Access
    Covenantee:  Université de Lorraine
    In this Master's thesis were printed electrolytes for Solid Oxide Fuel Cell (SOFC) in yttria stabilized zirconia by additive manufacturing robocasting method and then characterized from the microstructural and mechanical ...
  • Aging resistance and fracture toughness of ceria–infiltrated zirconia 

    Camposilvan, Erik; García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (Universidad de Alicante, 2012)
    Conference report
    Restricted access - publisher's policy
    The main drawback of yttria stabilized zirconia (3Y-TZP) is represented by the Low Temperature Degradation (LTD), which consists in the progressive transformation of the tetragonal phase, metastable at room temperature, ...
  • Ceria-zirconia particles wrapped in a 2D carbon envelope: improved low-temperature oxygen transfer and oxidation activity 

    Aneggi, Eleonora; Rico Perez, Veronica; de Leitenburg, Carla; Maschio, Stefano; Soler Turu, Lluís; Llorca Piqué, Jordi; Trovarelli, Alessandro (2015-10-08)
    Article
    Open Access
    Engineering the interface between different compo-nents of heterogeneous catalysts at nanometer level canradically alter their performances.This is particularly true forceria-based catalysts where the interactions are ...
  • Effect of surface degradation on wear behaviour of 3Y-TZP ceramics 

    Chintapalli, Ravikiran (Universitat Politècnica de Catalunya, 2008-09)
    Master thesis
    Restricted access - author's decision
    3Y-TZP ceramics used in biomedical applications, such as total hip replacement and dental restorations, are of large technological interest. The tendency of these ceramics to transform from tetragonal to monoclinic phase ...
  • Femtosecond laser multi-patterning of zirconia for screening of cell-surface interactions 

    Stanciuc, Ana Maria; Flamant, Quentin; Sprecher, Christoph Martin; Alini, Mauro; Anglada Gomila, Marcos Juan; Peroglio, Marianna (Elsevier, 2018-03)
    Article
    Restricted access - publisher's policy
    Yttria-stabilised tetragonal zirconia polycrystals (3Y-TZP) bioinert ceramics combine excellent strength and toughness, good aesthetics, high resistance to corrosion and absence of allergic reaction. However, improved ...
  • Fracture toughness of zirconia from a shallow notch produced by ultra-short pulsed laser ablation 

    Turón Viñas, Miquel; Anglada Gomila, Marcos Juan (Elsevier, 2014-07-01)
    Article
    Restricted access - publisher's policy
    Ceria partially stabilized zirconia ceramics (Ce-TZP) with identical grain size and different amounts of transformation toughening were processed to investigate the influence of phase transformation on static and cyclic ...
  • Impressió 3D de multicapes ceràmiques amb base zircònia 

    Cayuela Rafols, Nuria (Universitat Politècnica de Catalunya, 2018-07-04)
    Bachelor thesis
    Open Access
    Avui en dia, els mètodes tradicionals de fabricació de materials ceràmics no permeten la realització de geometries complexes o, en cas de permetre-les, deriven en elevats costos de fabricació. Per aquesta raó, la tendència ...
  • Mechanical properties of alumina infiltrated zirconia nanocomposites 

    Camposilvan, Erik; García Marro, Fernando; Maspero, F.; Cuspidi, G.; Anglada Gomila, Marcos Juan (2012)
    Conference report
    Open Access
  • Micro-compression of 3Y-TZP degraded layer 

    Camposilvan, Erik; Anglada Gomila, Marcos Juan (2014)
    Conference report
    Open Access
  • Micro-mechanical testing of advanced ceramics: tools, procedures and first results 

    Camposilvan, Erik; Jiménez Piqué, Emilio; Anglada Gomila, Marcos Juan (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2013)
    Conference report
    Restricted access - publisher's policy
    Micro-mechanical testing has lately become a more accessible tool for understanding deformation, strengthening and failure mechanisms at small scales. It has been found that the often considered intrinsic or “intensive” ...
  • Microstructural and topographic chanages in zirconia ceramic materials by Nd:YLF laser irradiation 

    González Nadal, Victoria (Universitat Politècnica de Catalunya, 2017-06-21)
    Master thesis
    Restricted access - author's decision
    The main focus of this project was to investigate the role of different laser parameters, such as laser current intensity and pulse repetition frequency, on ablation characteristics and damage of induced surface patterns ...
  • Modificación superficial de implantes de cabeza femoral 

    Puiraveau, Marion (Universitat Politècnica de Catalunya, 2009-02)
    Master thesis (pre-Bologna period)
    Open Access
    La circona o dióxido de zirconio (ZrO2) es una cerámica con numerosas aplicaciones debido a una buena combinación de propiedades. En particular, el material Y2O3-TZP (Y2O3 stabilized tetragonal zirconia polycrystal) es ...
  • New aluminium-silicon-copper microalloyed alloys 

    Font Moragón, Jaume; Schlesier Corrales, Alfred (Universitat Politècnica de Catalunya, 2018-02)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Bostlan / Aleastur
    [ANGLÈS] The objective of this project has been the development of new microalloyed aluminium-silicon-copper alloys, in order to obtain materials with improved properties through the application of heat treatments. Initially ...
  • Phase transformation and subsurface damage in 3Y-TZP after sandblasting 

    Chintapalli, R.K.; García Marro, Fernando; Jiménez Piqué, Emilio; Anglada Gomila, Marcos Juan (2013-05)
    Article
    Restricted access - publisher's policy
    Objective The goal of this work is to investigate t–m phase transformation, and subsurface damage in 3Y-TZP after sandblasting. Methods Commercial grade 3Y-TZP powder was conventionally sintered and fully dense ...
  • Processing and characterization of high-density zirconia-carbon nanotube composites 

    Chintapalli, R.K.; García Marro, Fernando; Milsom, Ben; Reece, Michel; Anglada Gomila, Marcos Juan (2012-07-15)
    Article
    Restricted access - publisher's policy
    Addition of multiwall carbon nanotubes (MWCNTs) to polycrystalline ceramics is currently considered as a potential method for improving their mechanical properties, mainly their fracture toughness. High density composites ...
  • Proyecto y estudio de viabilidad del aprovechamiento térmico del aire generado por un molino de bolas para el procesamiento de mineral de zirconio a través de un ciclón 

    Deiros Domínguez, Xose Lois (Universitat Politècnica de Catalunya, 2018-01)
    Master thesis
    Open Access
    El objetivo de este proyecto es diseñar un secadero en la nave anexa a la producción del circonio y trasportar el mismo hacia dicha nave. Este aire caliente se produce en el martillo de bolas al triturar mineral de Zirconio ...
  • Revealing crack profiles in polycrystalline tetragonal zirconia by ageing 

    García Marro, Fernando; Camposilvan, Erik; Anglada Gomila, Marcos Juan (Elsevier, 2012-07)
    Article
    Restricted access - publisher's policy
    Exposure to hot water vapour is shown to be useful for staining indentation crack profiles in doped zirconia polycrystals. This is illustrated here in 3Y-TZP with two different grain sizes, for which Vickers indentation ...
  • Selective etching of injection molded zirconia-toughened alumina: Towards osseointegrated and antibacterial ceramic implants 

    Flamant, Quentin; Caravaca, Carlos; Meille, Sylvain; Gremillard, Laurent; Chevalier, Jerome; Biotteau Deheuvels, Katia; Kuntz, Meinhard; Chandrawati, Rona; Herrmann, Inge K.; Spicer, Christopher D.; Stevens, Molly M.; Anglada Gomila, Marcos Juan (2016-12-01)
    Article
    Open Access
    Due to their outstanding mechanical properties and excellent biocompatibility, zirconia-toughened alumina (ZTA) ceramics have become the gold standard in orthopedics for the fabrication of ceramic bearing components over ...
  • Small-scale mechanical behavior of zirconia 

    Camposilvan, Erik; Torrents Abad, Oscar; Anglada Gomila, Marc (2014-07-20)
    Article
    Restricted access - publisher's policy
    The surface stability of yttria-doped tetragonal polycrystalline zirconia is critical for load-bearing biomedical applications. In this work, the small-scale mechanical behavior of this material is probed by employing the ...
  • Study of the influence of copper on zirconium-based coatings 

    Binti Rosly, Anis Attira (Universitat Politècnica de Catalunya, 2019-06-10)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Leitat Technological Center
    Zirconium oxide-based conversion coatings are nickel free alternatives to phosphate coatings. By focusing more on ZrCC we will be able to create a thin film technology that is environmentally friendly, cost effective and ...