Now showing items 1-20 of 39

  • 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, ...
  • 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 resistance of TiN-coated hardmetals: Beneficial effects associated with substrate grinding 

    Yang, Jing; García Marro, Fernando; Todorov Trifonov, Trifon; Oden, M; Johansson Joesaar, M.P; Llanes Pitarch, Luis Miguel (2015-08-15)
    Article
    Restricted access - publisher's policy
    Contact loading is a common service condition for coated hardmetal tools and components. Substrate grinding represents a key step within the manufacturing chain of these coated systems. Within this context, the influence ...
  • 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)
    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 ...
  • 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
    Restricted access - publisher's policy
    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 ...
  • 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 ...
  • Effect of sandblasting and residual stress on strength of zirconia for restorative dentistry applications 

    Kiran Chintapalli, Ravi; Mestra Rodríguez, Álvaro Miguel; García Marro, Fernando; Anglada Gomila, Marcos Juan (2014-01)
    Article
    Restricted access - publisher's policy
    Sandblasting is a commonly used surface treatment technique for dental crowns to improve the adhesion of the mating parts of a restoration. The goal of this work is to study the effect of different sandblasting conditions ...
  • Enhanced reliability of yttria-stabilized zirconia for dental applications 

    Camposilvan, Erik; García Marro, Fernando; Mestra Rodriguez, Alvaro; Anglada Gomila, Marc (2015-04-15)
    Article
    Restricted access - publisher's policy
    An increasing number of dental applications based on yttria-stabilized zirconia (3Y-TZP) have been developed in recent years as a result of the advances and versatility of dry-processing and soft machining at the pre-sintered ...
  • Estadística de la rotura de circona dopada con itria sometida a degradación hidrotérmica 

    García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2010)
    Conference report
    Open Access
    En este trabajo se ha estudiado la influencia de la degradación hidrotérmica en la resistencia a flexión de circona tetragonal estabilizada con 3% molar de itria. El material se ha evaluado tanto en estado original como ...
  • Estimation of thickness of hydrothermal degraded layer in 3Y-TZP by x-ray diffraction 

    García Marro, Fernando; Armas Sancho, Zamir de; Horwat, David; Anglada Gomila, Marcos Juan (2010)
    Conference lecture
    Restricted access - publisher's policy
    A method is present for estimating the thickness of monoclinic layer formed by hydrothermal degradation of zirconia doped with 3 mol % of yttria (3Y-TZP) by means of X-ray diffraction at different incidence angles. The ...
  • Estudio por nanoindentación de 3Y-TZP envejecida por degradación hidrotérmica 

    Armas Sancho, Zamir de; García Marro, Fernando; Jiménez Piqué, Emilio; Anglada Gomila, Marcos Juan (2010)
    Conference report
    Open Access
    La circona tetragonal policristalina estabilizada con 3% molar de itria (3Y-TZP) puede transformarse espontáneamente a la fase monoclínica en presencia de vapor de agua a temperaturas relativamente bajas, lo cual conlleva ...
  • Hydrofluoric acid etching of dental zirconia. Part 1: etching mechanism and surface characterization 

    Flamant, Quentin Jean Alain; García Marro, Fernando; Roa Rovira, Joan Josep; Anglada Gomila, Marcos Juan (Elsevier, 2016-01-01)
    Article
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    Rough surfaces have been shown to promote osseointegration, which is one of the keys for a successful dental implantation. Among the diverse treatments proposed to roughen zirconia, hydrofluoric acid (HF) etching appears ...
  • Hydrothermal Ageing of Cracked 3Y-TZP 

    García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2011)
    Conference report
    Open Access
    En la circona dopada con 3% molar de itria, el vapor de agua puede inducir la transformación de la fase tetragonal a monoclínica en la superficie. Dicha transformación se extiende hacia el interior acompañada por la ...
  • Hydrothermal ageing of cracked of 3Y-TZP 

    García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2011)
    Article
    Open Access
    En la circona dopada con 3% molar de itria, el vapor de agua puede inducir la transformación de la fase tetragonal a monoclínica en la superficie. Dicha transformación se ex tiende hacia el interior acompañada por la ...
  • Hydrothermal ageing of smooth and cracked 3Y-TZP 

    García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2011)
    Conference report
    Restricted access - publisher's policy
    The effect of hydrothermal degradation on the flexural strength of smooth and indented specimens of tetragonal polycrystalline zirconia doped with 3% mol yttria (3Y-TZP) has been investigated. The specimens were exposed ...