Now showing items 1-20 of 91

  • 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
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    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, ...
  • Annealing aged zirconia: study of surface mechanical properties at the micrometric length scale 

    Roa Rovira, Joan Josep; Anglada Gomila, Marcos Juan (Elsevier, 2015-03-01)
    Article
    Open Access
    The annealing of hydrothermal aged zirconia has been studied by analysing the changes in microstructure and surface mechanical properties in terms of the annealing temperature. In this experimental work, a systematic micro- ...
  • Anodic oxidation of titanium for implants and prothesis: processing characterization and potential improvement of osteointegration 

    Anglada Gomila, Marcos Juan; Pavon, Juan José; Galvis, Oscar; Echevarria, F; Castaño, J; Echeverry, M; Robledo, S; Jiménez Piqué, Emilio; Mestra Rodríguez, Álvaro Miguel (2011)
    Conference report
    Open Access
    Among all biomaterials used for bone replacement, it is recognized that both commercially pure titanium (Ti c.p.) and Ti6Al4V alloy are the materials that show the best in vivo performance due to their excellent balance ...
  • A parametric study of laser interference surface patterning of dental zirconia: Effects of laser parameters on topography and surface quality 

    Roitero, Erica; Lasserre, F.; Anglada Gomila, Marcos Juan; Mücklich, Frank; Jiménez Piqué, Emilio (2017-01)
    Article
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    The aim of this work is to generate micrometric linear patterns with different topography on dental grade zirconia by means of UV laser interference and to assess the quality of the produced surface, both in term of the ...
  • Chemical and nanoindentation study of diffusion during sintering of 12Ce-ZrO2/3Y-ZrO2 powder layers 

    Roa Rovira, Joan Josep; Turón Viñas, Miquel; Tovar Vargas, Daniela; Ledesma, J.; Anglada Gomila, Marcos Juan (2018-02-01)
    Article
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    Tetragonal zirconia polycrystals doped with 3% mol of yttria (3Y-ZrO2) exhibit excellent mechanical properties and biocompatibility. However, under humid environments, their surface structural integrity is degraded by aging ...
  • Chemical segregation in a 12Ce-ZrO2/3Y-ZrO2 ceramic composite 

    Roa Rovira, Joan Josep; Aboulfadl, Hisham; Barrirero, Jenifer; Turón Viñas, Miquel; Mücklich, Frank; Anglada Gomila, Marcos Juan (2017-10-01)
    Article
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    In restorative dentistry, 3Y-ZrO2 ceramics are widely accepted for fabricating dental crowns, bridges and implants due to their good biocompatibility, excellent mechanical properties and high aesthetics potential. However, ...
  • Comportamiento a fatiga de un nanocompuesto Ce-TZP/Al2O3 

    Mestra Rodríguez, Álvaro Miguel; García Marro, Fernando; Armas Sancho, Zamir de; Anglada Gomila, Marcos Juan (2011)
    Conference report
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    Se ha evaluado la resistencia a flexión biaxial y el comportamiento a fatiga de un nanocompuesto cerámico basado en Ce-TZP y Al2O3. Los ensayos se realizaron en flexión biaxial y se ha determinado la resistencia y el ...
  • Contact damage in a Ce-TZP/Al2O3 nanocomposite 

    García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (Elsevier, 2011-11)
    Article
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    The damage tolerance of a nanocomposite based on Ce-TZP and 30 vol% Al2O3 has been studied un der monotonic contact with a spherical indenter. The results are compared with those previously known for commercial 3Y-TZP ...
  • Contact damage in artificially aged 3Y-TZP 

    Armas Sancho, Zamir de; Jiménez Piqué, Emilio; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2010)
    Article
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    The behaviour of hydrothermal degraded 3 % molar yttria stabilised zirconia under monotonic spherical indentation has been studied. The investigation is focused mainly on analysing the response under spherical indentation ...
  • Contact damage in artificially aged 3Y-TZP 

    Armas Sancho, Zamir de; Mestra Rodríguez, Álvaro Miguel; Jiménez Piqué, Emilio; Anglada Gomila, Marcos Juan (2010)
    Article
    Open Access
    Tetragonal zirconia polycrystals doped with 3% mol of yttria (3Y - TZP) are increasingly employed as implants in the human body, because they are biocompatible and have relatively high strength and fracture toughness. ...
  • Criterios de diseño micromecánico, a nivel de sustrato y bajo solicitaciones de contacto, en herramientas recubiertas para aplicaciones de conformado de aleaciones metálicas 

    Mateo García, Antonio Manuel; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio; Anglada Gomila, Marcos Juan (2012)
    Conference report
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    En aplicaciones de conformado en frío, donde el uso de herramientas recubiertas es común, solicitaciones mecánicas de contacto inducen presiones de tipo Hertziano que pueden causar fallos por fatiga. En este trabajo, ...
  • Daño por contacto hertziano en un nanocompuesto Ce-TZP/Al2O3 

    García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2011)
    Conference lecture
    Open Access
    El material compuesto Ce-TZP/Al2O3 es una cerámica nanoestructurada con granos de alúmina y circona tetragonal estabilizada con ceria. Actualmente, este tipo de compuestos están siendo desarrollados con el objetivo de ...
  • Daño por contacto hertziano en un nanocompuesto Ce-TZP/Al2O3 

    García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2011)
    Article
    Open Access
    El material compuesto Ce-TZP/Al 2 O 3 es una cerámica nanoestructurada con granos de alúmina y circona tetragonal estabilizada con ceria. Actualmente, este tipo de compuestos están siendo desarrollados con el objetivo ...
  • Decoration of indentation cracks in 3Y-TZP by hydrothermal ageing 

    García Marro, Fernando; Camposilvan, Erik; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2012)
    Conference report
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    Las grietas de indentación en cerámicas son frecuentemente utilizadas no sólo para estimar semi-empíricamente la tenacidad a fractura KIC, sino también cómo método para crear grietas agudas superficiales y semielípticas a ...
  • Decoration of indentation cracks in 3Y-TZP by hydrothermal ageing 

    García Marro, Fernando; Camposilvan, Erik; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2012)
    Article
    Open Access
    Las grietas de indentación en cerámicas son frecuen temente utilizadas no sólo para estimar semi-empíri camente la tenacidad a fractura K IC , sino también cómo método para crear grietas aguda s superficiales y ...
  • Degradation resistance of 3Y-TZP ceramics sintered using spark plasma sintering 

    Kiran Chitapalli, Ravi; García Marro, Fernando; Valle Chiro, Jorge Antonio; Yan, Haixue; Reece, Michel; Anglada Gomila, Marcos Juan (IOP Publishing. Institute of Physics, 2009)
    Article
    Restricted access - publisher's policy
    Commercially available tetragonal zirconia powder doped with 3 mol% of yttria has been sintered using spark plasma sintering (SPS) and has been investigated for its resistance to hydrothermal degradation. Samples were ...
  • Determination of the intrinsic fracture toughness from COD analysis of indentation cracks in spark plasma sintered 3Y-TZP reinforced with MWCNT 

    García Marro, Fernando; Chintapalli, Ravi Kiran; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2012)
    Article
    Open Access
  • Determination of the intrinsic fracture toughness from the COD analysis of indentation cracks in Spark Plasma Sintered 3Y-TZP reinforced with MWCNT 

    García Marro, Fernando; Kiran Chitapalli, Ravi; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2012)
    Conference report
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    El método de la indentación para medir la tenacidad de fractura ha sido ampliamente utilizado en materiales frágiles debido a su sencillez y a que puede realizarse en volúmenes pequeños de material. Especialmente en estos ...
  • Efecto de la morfología de grietas generadas por nanoindentación y su efecto en el cálculo de la tenacidad de fractura 

    Cuadrado, Núria; Jiménez Piqué, Emilio; Casellas Padró, Daniel; Anglada Gomila, Marcos Juan (2011)
    Conference report
    Open Access
    En el presente trabajo se ha utilizado la técnica de nanoindentación para inducir grietas en diferentes materiales cerámicos y estudiar la morfología de grieta generada por la aplicación de un indentador tipo Berkovich. ...
  • Effect of calcia co-doping on ceria-stabilized zirconia 

    Turón Viñas, Miquel; Zhang, Fei; Vleugels, Jozef; Anglada Gomila, Marcos Juan (Elsevier, 2018-01-01)
    Article
    Restricted access - publisher's policy
    © 2018 Elsevier Ltd. Ceria-stabilized zirconia ceramics are characterised by excellent hydrothermal stability and high fracture toughness, but the fracture strength and hardness are lower than that of conventional 3Y-TZP, ...