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  1. No Access

    Article

    Titanium local environment and electrical conductivity of TiO2-doped stabilized tetragonal zirconia

    Solid state reactions in the ZrO2-Y2O3-TiO2system have been studied and the solid solubility limit of TiO2 in yttria stabilized tetragonal zirconia Y-TZP has been stablished. Structural characterization was carri...

    F. Capel, C. Moure, P. Durán, A. R. González-Elipe… in Journal of Materials Science (2000)

  2. No Access

    Article

    Nanostructured and near defect-free ceramics by low-temperature pressureless sintering of nanosized Y-TZP powders

    Nanosized (∼6 nm) Y-TZP (3 mol% Y2O3) powders have been produced by chemical co-precipitation (Y-inorganic + Zr-organic precursors) and thorough isopropanol-washing step, after calcining in air at 450 °C. The nan...

    P DURAN, M VILLEGAS, F CAPEL, J. F FERNANDEZ, C MOURE in Journal of Materials Science (1997)

  3. No Access

    Article

    Improvement of thermal stability and fracture toughness of Ti-TZP ceramics by small ceria additions

    F. Capel, C. Moure, P. Durán in Journal of Materials Science Letters (1996)

  4. No Access

    Article

    Large electromechanical anisotropic modified lead titanate ceramics

    Dielectric, piezoelectric and mechanical properties of Pb0.88Ln0.88(Ti0.02Mn0.98)O3 and Pb0.76Ca0.24 ((Co0.5W0.5)0.04Ti0.96)O3 ceramics as a function of the tetragonality (c/a) have been investigated. The influen...

    P. Duran, J. F. Fdez Lozano, F. Capel, C. Moure in Journal of Materials Science (1989)

  5. No Access

    Article

    Y(E)-doped tetragonal zirconia polycrystalline solid electrolyte

    Polycrystalline dense zirconia containing 100% metastable tetragonal phase was obtained by alloying zirconia with 2 to 3 mol % Y2O3 (Er2O3). A critical temperature, approximately 1400°C, for full densification (1...

    P. Durán, P. Recio, J. R. Jurado, C. Pascual, F. Capel… in Journal of Materials Science (1989)

  6. No Access

    Article

    Large electromechanical anisotropic modified lead titanate ceramics

    Modified lead titanate (PT) oxalates were prepared by mixing an ethanol solution with (calcium, lanthanum, neodymium, samarium or gadolinium) and titanium with an ethanol solution of oxalic acid containing lea...

    P. Duran, J. F. Fdez Lozano, F. Capel, C. Moure in Journal of Materials Science (1988)

  7. No Access

    Article

    Microhardness and toughness of Na2O-B2O3-SiO2 materials prepared by the sol-gel procedure

    M. A. Villegas, F. Capel, J. M. Fernández Navarro in Journal of Materials Science Letters (1988)

  8. No Access

    Article

    A semi-empirical model for coating flat glass by dip** into metal-organic solutions

    A sol-gel process was used to produce coloured coatings of composition SiO2 ·R m O n , whereR = chromium, manganese, iron, cobalt and copper. M...

    F. Orgaz, F. Capel in Journal of Materials Science (1987)