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Ara es mostren els items 20-39 de 45

    • Hydrofluoric acid etching of dental zirconia. Part 1: etching mechanism and surface characterization 

      Flamant, Quentin; 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)
      Text en actes de congrés
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      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
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      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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • Improvement of 3Y-TZP hydrothermal degradation resistance by surface modification with ceria without impairing mechanical properties 

      García Marro, Fernando; Valle Chiro, Jorge Antonio; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan (2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Surface modification with cerium oxide of tetragonal zirconia polycrystals stabilised with 3 % molar yttria (3Y-TZP) has been investigated in order to avoid low temperature degradation. The surface modification was performed ...

    • Influencia de la degradación hidrotérmica en la resistencia mecánica y comportamiento al desgaste de 3Y-TZP 

      Mestra Rodríguez, Álvaro Miguel; García Marro, Fernando; Kiran Chitapalli, Ravi; Armas Sancho, Zamir de; Anglada Gomila, Marcos Juan (2012)
      Article
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      En este trabajo se realiza un estudio comparativo de la influencia de la degradación hidrotérmica a baja temperatura de circona tetragonal estabilizada con el 3% molar de Itria (3Y-TZP) en la resistencia mecánica a flexión ...

    • Influencia de la degradación hidrotérmica en la resistencia mecánica y comportamiento al desgaste de 3Y-TZP 

      Mestra Rodríguez, Álvaro Miguel; García Marro, Fernando; Kiran Chitapalli, Ravi; Armas Sancho, Zamir de; Anglada Gomila, Marcos Juan (2012)
      Text en actes de congrés
      Accés obert
      En este trabajo se realiza un estudio comparativo de la influencia de la degradación hidrotérmica a baja temperatura de circona tetragonal estabilizada con el 3% molar de Itria (3Y-TZP) en la resistencia mecánica a flexión ...

    • Influencia de la degradación hidrotérmica en la resistencia mecánica y en el comportamiento al desgaste de 3Y-TZP 

      Mestra Rodríguez, Álvaro Miguel; García Marro, Fernando; Kiran Chitapalli, Ravi; Armas Sancho, Zamir de; Anglada Gomila, Marcos Juan (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      En este trabajo se realiza un estudio comparativo de la influencia de la degradación hidrotérmica a baja temperatura de circona tetragonal estabilizada con el 3% molar de Itria (3Y-TZP) en la resistencia mecánica a flexión ...

    • Mechanical behavior of PVD coatings deposited on ADI 

      Colombo, Diego Alejandro; Márquez, Adriana Beatriz; García Marro, Fernando; Llanes Pitarch, Luis Miguel; Sosa, Amadeo Daniel (2019-01-01)
      Article
      Accés obert
      In this work, the mechanical behavior of the coated ADI system is studied. For this purpose, single layer Ti and bilayer Ti/TiN and TiAl/TiAlN coatings, with different thicknesses, were deposited by the PVD technique of ...

    • Mechanical properties and resistance to low temperature degradation of surface nitrided 3Y-TZP 

      Valle Chiro, Jorge Antonio; Mestra Rodríguez, Álvaro Miguel; García Marro, Fernando; Anglada Gomila, Marcos Juan (Elsevier, 2013-12)
      Article
      Accés restringit per política de l'editorial
      3Y-TZP has been one of the most applied ceramics in the biomedical field, specifically for hip, knee and dental implants, given its high strength, moderate fracture toughness and excellent biocompatibility. However, ...

    • Mechanical properties of 12Ce-ZrO2/3Y-ZrO2 composites 

      Turón Viñas, Miquel; Roa Rovira, Joan Josep; García Marro, Fernando; Anglada Gomila, Marcos Juan (2015-12-01)
      Article
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      12Ce-ZrO2/3Y-ZrO2 composites with different compositions have been prepared by presureless sintering at 1450 degrees C and the resulting microstructures have been correlated with their mechanical properties in terms of ...

    • Mechanical properties of alumina infiltrated zirconia nanocomposites 

      Camposilvan, Erik; García Marro, Fernando; Maspero, F.; Cuspidi, G.; Anglada Gomila, Marcos Juan (2012)
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    • Nanoindentation and fracture toughness of nanostructured zirconia/multi-walled carbon nanotube composites 

      Melk, Latifa; Roa Rovira, Joan Josep; García Marro, Fernando; Antti, Marta-Lena; Milsom, Ben; Reece, Michel; Anglada Gomila, Marcos Juan (2015-03-01)
      Article
      Accés obert
      Multi-walled carbon nanotubes (MWCNTs)/3 mol% yttria-doped tetragonal zirconia (3Y-TZP) composites were produced using spark plasma sintering (SPS) with MWCNT content ranging within 0-2 wt%. In the present paper, it was ...

    • 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
      Accés restringit per política de l'editorial
      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
      Accés restringit per política de l'editorial
      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 ...

    • Relationship between density and mechanical properties of spark plasma sintered zirconia ceramics 

      Kiran Chitapalli, Ravi; García Marro, Fernando; Mestra Rodríguez, Álvaro Miguel; Reece, Michel; Anglada Gomila, Marcos Juan (2010)
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      Zirconia ceramics stabilized with 3 mol % Yttria were produced by spark-plasma sintering. Toughness, Vickers hardness, nanoindentation elastic modulus and Berkovich hardness were determined in terms of the final density ...

    • Revealing crack profiles in polycrystalline tetragonal zirconia by ageing 

      García Marro, Fernando; Camposilvan, Erik; Anglada Gomila, Marcos Juan (Elsevier, 2012-07)
      Article
      Accés restringit per política de l'editorial
      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 ...

    • Sliding wear behaviour of surface nitrided zirconia 

      Valle Chiro, Jorge Antonio; Mestra Rodríguez, Álvaro Miguel; García Marro, Fernando; Anglada Gomila, Marcos Juan (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Tetragonal polycrystalline zirconia stabilised with 3% molar yttria (3Y-TZP) has found wide applications in orthopaedics and dentistry because of its excellent mechanical properties (flexural strength above 1000 MPa, ...

    • Spherical indentation of polycrystalline cubic boron nitride (PcBN): contact damage evolution with increasing load and microstructural effects 

      Gordon Pozuelo, Sandra; García Marro, Fernando; Rodríguez Suárez, Teresa; Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel (Elsevier, 2023-02)
      Article
      Accés obert
      The extremely severe conditions at which cutting tools are exposed in hard machining operations require tool materials with outstanding mechanical properties. Excellent combinations of high hardness and fracture toughness ...

    • Stability of nanocrystalline spark plasma sintered 3Y-TZP 

      Kiran Chitapalli, Ravi; Mestra Rodríguez, Álvaro Miguel; García Marro, Fernando; Yan, Haixue; Reece, Michel; Anglada Gomila, Marcos Juan (2010)
      Article
      Accés obert
      Spark plasma sintered 3Y-TZP has been investigated with respect to hydrothermal ageing and grinding. The sintering was performed between the temperatures of 1,100 and 1,600 °C for a soaking time of 5 minutes and the resulting ...