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Artículo
High temperature internal friction measurements of 3YTZP zirconia polycrystals. High temperature background and creep
(Elsevier, 2014)
This work focuses on the high-temperature mechanic properties of a 3. mol% yttria zirconia polycrystals (3YTZP), fabricated by hot-pressureless sintering. Systematic measurements of mechanical loss as a function of temperature ...
Artículo
Cavitación durante la fluencia de policristales de Si3N4
(Sociedad Española de Cerámica y Vidrio, 2005)
Este trabajo está orientado a determinar las condiciones de tensión y temperatura para las cuales ocurre la nucleación y coalescencia de cavidades en dos materiales cerámicos a base de nitruro de silicio sinterizados bajo ...
Artículo
High-temperature mechanical behavior of proton-conducting yttrium-doped barium zirconate perovskite
(Elsevier, 2021-02)
The high-temperature mechanical properties of yttrium doped barium zirconate obtained by two different routes are reported in this work. Polycrystals with composition BaZr0.85Y0.15O2.925 have been fabricated from nanopowders ...
Artículo
High temperature creep of 20 vol%. SiC-HfB2 UHTCs up to 2000 °C and the effect of La2O3 addition
(Elsevier, 2018)
High temperature compressive creep of SiC-HfB2 UHTCs up to 2000 °C has been studied. Microstructural analysis after deformation reveals formation of new phases in the Hf-B-Si and Hf-B-Si-C systems, which are responsible ...
Artículo
High Temperature Compressive Strength and Creep Behavior of Si-Ti-C-O Fiber-Bonded Ceramics
(Elsevier, 2017)
Fiber bonded silicon carbide ceramic materials provide cost-advantage over traditional ceramic matrix composites and require fewer processing steps. Despite their interest in extreme environment thermostructural applications ...
Artículo
Fabrication, microstructure and high-temperature plastic deformation of three-phase Al2O3/Er3Al5O12/ZrO2 sintered ceramics
(Elsevier, 2021)
The fabrication, microstructure and high-temperature creep behavior of chemically compatible, three-phase alumina/erbium aluminum garnet (Er3Al5O12, EAG)/erbia fully-stabilized cubic ZrO2 (ESZ) particulate composites with ...
Artículo
Dynamic recrystallization during creep of proton-conducting barium cerate perovskites
(Wiley-Blackwell, 2022-11)
Uniaxial compression tests were conducted on perovskite-structured barium cerate polycrystals doped with 5-at.% yttrium and 5-at.% ytterbium and submicrometric grain sizes, at temperatures between 1423 and 1573 K (0.70–0.78Tm) ...
Artículo
Fabrication and creep properties of eutectic-composition Al2O3/YAG/YSZ sintered composites
(Elsevier, 2021-12)
Three-phase alumina/YAG/yttria-stabilized cubic zirconia (YSZ) composites were fabricated by a solid-state reaction route starting from commercial powders of Al2O3, Y2O3 and monoclinic ZrO2. The final phases Al2O3, YAG and ...
Artículo
High temperature mechanical properties of polycrystalline Y2SiO5
(Elsevier, 2021)
The high temperature mechanical properties of polycrystalline Y2SiO5 were studied in compression at temperatures in the range of 1200–1400 °C, both in constant strain rate and constant stress experiments. To examine the ...
Artículo
Deformation mechanisms in yttria-stabilized cubic zirconia single crystals
(Walter de Gruyter, 2010)
This work attempts to give a unified picture of the microscopic mechanisms which control the plastic deformation in yttria-stabilized cubic zirconia single crystals, particularly for the soft orientation (uniaxial compression ...