Now showing items 37-48 of 213

    • 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
      Restricted access - publisher's policy
      Hip arthroplasty cementless acetabular components require excellent mechanical properties, biocompatibility, low friction and good osseointegration with surrounding bone tissue. Zirconia-toughened alumina (ZTA) fulfils ...
    • 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
      Open Access
      © 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, ...
    • Strength and reliability of WC-Co cemented carbides: understanding microstructural effects on the basis of R-curve behavior and fractography 

      Tarragó Cifre, Jose María; Coureaux Mustelier, David; Torres Hernández, Yadir; Jiménez Piqué, Emilio; Schneider, Ludwig; Fair, Jonathan; Llanes Pitarch, Luis Miguel (2018-02)
      Article
      Open Access
      Strength and reliability of WC-Co cemented carbides (hardmetals) are dependent on effective fracture toughness as well as on nature, size and distribution of processing flaws. Regarding toughness, they exhibit a crack ...
    • 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 ...
    • 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 ...
    • Grinding-induced metallurgical alterations in the binder phase of WC-Co cemented carbides 

      Yang, Jing; Roa Rovira, Joan Josep; Schwind, Martin; Odén, Magnus; Johansonn Joesaar, M. P.; Llanes Pitarch, Luis Miguel (2017-12)
      Article
      Open Access
      The metallic binder phase dictates the toughening behavior of WC-Co cemented carbides (hardmetals), even though it occupies a relative small fraction of the composite. Studies on deformation and phase transformation of the ...
    • Influence of temperature on the biaxial strength of cemented carbides with different microstructures 

      Chicardi, E; Bermejo, Raul; Gotor Martínez, Francisco José; Llanes Pitarch, Luis Miguel; Torres Hernández, Yadir (2018-02)
      Article
      Open Access
      The effect of the temperature on the mechanical strength of WC-Co cemented carbides with different microstructures (grain size and binder content) was evaluated. Biaxial flexural tests were performed on three cemented ...
    • 3D characterization of cubic boron nitride (CBN) composites used as tool material for high precision abrasive machining processes 

      Fang, Shiqi; Llanes Pitarch, Luis Miguel; Bähre, Dirk (2017-07-29)
      Article
      Open Access
      Cubic boron nitride (CBN) composites are widely used as cutting tool materials for high precision abrasive machining processes. They are composed of super hard CBN abrasives and a softer binder. CBN abrasives are one of ...
    • 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
      Restricted access - publisher's policy
      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, ...
    • Wear characterization of cemented carbides (WC-CoNi) processed by laser surface texturing under abrasive machining conditions 

      Fang, Shiqi; Llanes Pitarch, Luis Miguel; Bähre, Dirk (2017-09-01)
      Article
      Open Access
      Cemented carbides are outstanding engineering materials widely used in quite demanding material removal applications. In this study, laser surface texturing is implemented for enhancing, at the surface level, the intrinsic ...
    • Structural and mechanical properties of Zr1-x Mox thin films: from the nano-crystalline to the amorphous state 

      Borroto-Ramírez, Alejandro; Bruyère, Sthepanie; Thurieau, Nicolas; Gendarme, Christine; Jiménez Piqué, Emilio; Roa Rovira, Joan Josep; Pierson, Jean Fronçois; Mücklich, Franck; Horwat, David (2017-12-30)
      Article
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      Zr1-xMox thin films were synthesized on glass substrates by co-sputtering molybdenum and zirconium targets in the presence of argon with x in the 0.32–0.95 range. From X-ray diffraction analyses and transmission electron ...
    • School research in Catalonia : between tradition and innovation 

      Nadal, Ivan; Hernández Fernández, Antonio; Luque, Frederic; Salán Ballesteros, Maria Núria (2016-12)
      Article
      Restricted access - publisher's policy
      The research-work (RW) is part of an official high school curriculum in Catalonia. The relevance of the proposal focuses on the fact that it complements the traditional tutoring project and is open to all educational levels ...