Now showing items 21-40 of 93

  • 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 ...
  • Effect of thermal treatments on the wear behaviour of duplex stainless steels 

    Fargas Ribas, Gemma; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan; Mateo García, Antonio Manuel (2009-11-04)
    Article
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    Duplex stainless steel (DSS) is a family of steels characterized by two-phase microstructure with similar percentages of ferrite (α) and austenite (y).Their attractive combination of mechanical properties and corrosion ...
  • Enhanced thermal stability and fracture toughness of TiAlN coatings by Cr, Nb and V-alloying 

    Chen, Yu-Hsiang; Roa Rovira, Joan Josep; Yu, C. H.; Johansson Joesaar, M.P; Andersson, J. M.; Anglada Gomila, Marcos Juan; Oden, M.; Rogstrom, Lina (Elsevier, 2018-05-25)
    Article
    Open Access
    The effect of metal alloying on mechanical properties including hardness and fracture toughness were investigated in three alloys, Ti~0.33Al0.50(Me)~0.17N (Me¿=¿Cr, Nb and V), and compared to Ti0.50Al0.50N, in the as-deposited ...
  • 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
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    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 de la morfologia de grietas generadas por nanoindentación y su efecto en el cálculo de la tenacidad de fractura 

    Anglada Gomila, Marcos Juan; Jiménez Piqué, Emilio; Cuadrado Lafoz, Núria (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 . ...
  • 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 ...
  • Evaluación mecánica mediante técnicas de indentación de soldaduras por fricción lineal en aleaciones de titanio 

    Corzo Rueda, M. Clemencia; Casals, O.; Alcalá Cabrelles, Jorge; Mateo García, Antonio Manuel; Anglada Gomila, Marcos Juan (2005-11)
    Article
    Open Access
    Este artículo presenta los resultados de un proyecto cuyo objetivo es evaluar la integridad estructural de soldaduras por fricción lineal entre diferentes aleaciones de titanio de aplicación aeronáutica. Concretamente se ...
  • Evaluation of damage in front of starting notches induced by ultra-short pulsed laser ablation for the determination of fracture toughness in zirconia 

    Turón Viñas, Miquel; Morillas, José; Moreno, Pablo; Anglada Gomila, Marcos Juan (Elsevier, 2017-12-01)
    Article
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    Machining a very sharp notch on the surface of ceramics for fracture toughness testing has been a critical issue during many years. In this work, we explore a novel method capable of inducing sharp features with negligible ...
  • Evaluation of fracture toughness of small volumes by means of cube-corner nanoindentation 

    Cuadrado Lafoz, Núria; Casellas Padró, Daniel; Anglada Gomila, Marcos Juan; Jiménez Piqué, Emilio (2012-03)
    Article
    Open Access
    In this work, the applicability of the two most commonly used equations for calculating the fracture toughness by nanoindentation is discussed in terms of the indenter geometry and the indentation crack morphology. These ...
  • 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
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    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 ...
  • Focused ion beam tomography of zirconia degraded under hydrothermal conditions 

    Jiménez Piqué, Emilio; Ramos, A.; Muñoz Tabares, José Alejandro; Hatton, A.; Soldera, Flavio; Mucklich, F.; Anglada Gomila, Marcos Juan (Elsevier, 2012-08)
    Article
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    Three-dimensional tomography was performed on hydrothermal degraded zirconia by sequential focussed ion beam (FIB) sectioning and field emission scanning electron microscopy (FE-SEM) observation. By means of image analysis ...
  • Fractura por contacto en recubrimientos feldespáticos sobre circona dental 

    Rueda Arango, Astrid Oasis; Anglada Gomila, Marcos Juan; Jiménez Piqué, Emilio (2011)
    Conference report
    Restricted access - publisher's policy
    Las restauraciones dentales de circona con recubrimientos feldespáticos se están empleando de manera creciente en aplicaciones dentales debido a su estabilidad química, buena respuesta mecánica y apariencia externa. Sin ...
  • 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
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    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 ...
  • Grietas pequeñas y resistencia a la rotura de materiales cerámicos tenaces 

    Turón Viñas, Miquel; Roa Rovira, Joan Josep; Anglada Gomila, Marcos Juan (2017)
    Conference lecture
    Restricted access - publisher's policy
    La tenacidad de fractura, KIc, de 3Y-ZrO2 con dos diferentes tamaños de grano (177 and 330 nm) y la de 12Ce-ZrO2 se han determinado por medio de un ensayo de flexión en cuatro puntos en probetas prismáticas con grietas ...
  • High Cycle Fatigue of Metastable Austenitic Stainless Steels 

    Fargas Ribas, Gemma; Zapata Dederle, Ana Cristina; Anglada Gomila, Marcos Juan; Mateo García, Antonio Manuel (IOP PUBLISHING LTD., 2009-11-04)
    Article
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    Metastable austenitic stainless steels are currently used in applications where severe forming operations are required, such as automotive bodies, due to its excellent ductility. They are also gaining interest for its ...
  • High hardness, low Young's modulus and low friction of nanocrystalline ZrW2 Laves phase and Zr1-xWx thin films 

    Horwat, David; Jiménez Piqué, Emilio; Pierson, J.F.; Migot, A.; Dehmas, M.; Anglada Gomila, Marcos Juan (2012-04)
    Article
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    Zr1−xWx nanocrystalline films of Zr-W solid solutions and ZrW2 Laves phase were synthesized by magnetron co-sputtering. Large values of the H/E ratio up to 0.09 are observed for grain sizes in the nanometer range along ...
  • High hardness, low youngs modulus and low friction of nanocrystalline ZrW 2 laves phase and Zr 1-xW x thin films 

    Horwat, David; Jiménez Piqué, Emilio; Pierson, J.F.; Migot, S.; Dehmas, M.; Anglada Gomila, Marcos Juan (2012)
    Article
    Restricted access - publisher's policy
    Zr1−xWx nanocrystalline films of Zr-W solid solutions and ZrW2 Laves phase were synthesized by magnetron co-sputtering. Large values of the H/E ratio up to 0.09 are observed for grain sizes in the nanometer range along ...
  • Human primary osteoblast behaviour on microrough zirconia-toughened alumina and on selectively etched microrough zirconia-toughened alumina 

    Stanciuc, Ana Maria; Flamant, Quentin; Biotteau Deheuvels, Katia; Stoddart, Martin J.; Anglada Gomila, Marcos Juan; Porporati, Alessandro A.; Kuntz, Meinhard; Gremillard, Laurent; Alini, Mauro; Peroglio, Marianna (Elsevier, 2018-03-01)
    Article
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    Hip arthroplasty cementless acetabular components require excellent mechanical properties, biocompatibility, low friction and good osseointegration with surrounding bone tissue. Zirconia-toughened alumina (ZTA) fulfils ...
  • 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
    Open Access
    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 ...