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Evaluation of Fracture Resistance of Different Monolithic CAD/CAM-Generated Zirconia Crowns after Artificial Aging-An <i>In vitro</i> Study.

J Pharm Bioallied Sci
Sultana N, Kadiyala KK, Haragopal S, Deepika M, Pidaparthi S, Adavikatla S.   +5 more
europepmc   +1 more source

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Mechanical loss of cubic zirconia

Journal of Alloys and Compounds, 2000
Cubic zirconia can be stabilized by doping with lower valent oxides such as Y2O3 or CaO. Oxygen vacancies are then created as charge compensating defects. Mechanical loss measurements were performed in the temperature range 300–1600 K using both free decaying (3 Hz, 3 kHz) and forced vibrations (10−2–10 Hz).
Weller, M., Damson, B., Lakki, A.
exaly   +3 more sources

Si on Cubic Zirconia

Journal of The Electrochemical Society, 1983
Croissance epitaxique de couches monocristallines de Si sur les faces (100), (110) et (111) de monocristaux de zircone stabilises par l'oxyde d'yttrium. Croissance des couches de Si par pyrolyse de SiH 4 entre 950-1075°C a des vitesses de 0,08-1,2 μm/min.
H. M. Manasevit, I. Golecki, L. A. Moudy, J. J. Yang, J. E. Mee   +4 more
openaire   +1 more source

Stability of cubic zirconia and of stoichiometric zirconia nanoparticles

Physics of the Solid State, 2006
Using the electron density functional method, it is shown that the oxygen sublattice of cubic zirconia is unstable with respect to random displacements of oxygen atoms, which results in general instability of bulk cubic zirconia at low temperatures.
V. G. Zavodinsky, A. N. Chibisov
openaire   +1 more source

Cubic stabilised zirconias

2022
Abstract Cubic stabilised zirconias (CSZs) have an extremely simple average structure (the fluorite CaF2 structure) but they exhibit extremely complex diffuse X-ray diffraction patterns. Y-CSZ is used as a pedagogical example to show how various simulation methods together with knowledge of basic diffraction theory can be used to give ...
openaire   +1 more source

Nitride‐Stabilized Cubic Zirconia

Journal of the American Ceramic Society, 1978
Mechanical properties of Si/sub 3/N/sub 4/--ZrO/sub 2/ composits were studied. Part of the added ZrO/sub 2/ was stabilized in the cubic lattice form at room temperature. Hot pressing and annealing pure ZrO/sub 2/ in an N/sub 2/ atmosphere caused the cubic phase to form. Cubic ZrO/sub 2/ is not caused by O deficiency.
NILS CLAUSSEN, RUDOLF WAGNER, L. J. GAUCKLER, GÜNTER PETZOW   +3 more
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Zirconia‐Stabilized Cubic Europia

Journal of the American Ceramic Society, 1982
The system Eu 2 O 3 ‐ZrO 2 was studied, concentrating attention on the region 0 to 33 mol% ZrO 2 , which is of interest for fast‐reactor neutron absorber applications.
D. A. MOORE, I. F. FERGUSON
openaire   +1 more source

Modelling the Interatomic Potential of Cubic Zirconia

Applied Mechanics and Materials, 2013
Molecular modelling methods were used to investigate the structural and interatomic potential of bulk cubic zirconia. To widen the scope of the expected outcome, GULP and CASTEP software were used based on the concept of minimizing the energy of the crystal structure with respect to atomic coordinates.
Ibrahim Dauda Muhammad, Mokhtar Awang
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Optical properties of cubic stabilized zirconia

Solid State Communications, 1992
Optical absorption across the fundamental edge and the associated photoluminescence, have been studied in single crystals of yttrium stabilized zirconia (YSZ) of varying yttrium concentration. The results allow discrimination of a region of intrinsic transitions (above 5.2 eV) from a low energy region, where disorder-induced transitions are dominating.
Camagni P, Galinetto P, Samoggia G, Zema, N   +4 more
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Synthesis of stable nanocrystalline cubic zirconia

Materials Research Bulletin, 2000
Abstract Nanocrystalline pure cubic zirconia was prepared by precipitation in polymer matrix. The average particle size obtained by this method was smaller than that obtained by aqueous coprecipitation. X-ray diffraction showed that the cubic form is stable in air up to 1173 K and partially stable in an inert argon atmosphere up to 1273 K.
S. Roy, J. Ghose
openaire   +1 more source