Contrasting the beam interaction characteristics of selected lasers with a partially stabilised zirconia (PSZ) bio-ceramic
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Gelcasting as a Novel Processing Route to Fabricate Partially Stabilized Zirconia Ceramic Bodies
Bioinert ceramics, like alumina and zirconia are used mainly for replacements of bones, hip joints and for dental implants. Partially stabilized zirconia ceramics (PSZ or TZP with 3 mol.% or 5 wt.% Y2O3), appear as perspective bioinert ceramics because of their high strength and corrosion resistance. In order to fabricate complex shapes, it is essential to use a near ...
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Nanocrystalline partially stabilised zirconia (PSZ) and yttria-fully stabilised zirconia (YSZ) powders were prepared by solution combustion process. Nanocrystalline nature of the powders was confirmed by XRD and TEM. Nanocomposite Ni/PSZ and Ni/YSZ films were electrodeposited from a suspension of nanoparticles in nickel sulfamate solution. The strengthening of the nanocomposite due to nanoparti...
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Partially stabilized zirconia (PSZ) agglomerate toughened alumina has been prepared by the "deflocculation-flocculation" technique, using 2 and 3 mol. % Y2O3-doped zirconia powders. Samples containing up to about 30 vol.% zirconia were obtained. The resulting microstructure seems to be mainly influenced by the physical properties of the starting powders, e.g. agglomerate size and the specific s...
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Thermal barrier coatings (TBCs), consisting of physical vapor deposited (PVD) partially stabilized zir-conia (PSZ, 8 wt. %Y203) and a diffusion aluminide bond coat, were characterized as a function of time after oxidative isothermal heat treatment at 1373 K in air. The experimental characterizations was conducted by X-ray diffraction analysis and scanning electron microscopy (SEM) with energy-d...
متن کاملFabrication and characterisation of a calcium phosphate/zirconia composite
The aim of this study is to fabricate high strength calcium phosphate/ yttrium artially stabilised zirconia (Y-PSZ) composites using a simple powder pressing technique. Various compositions of hydroxyapatite and zirconia powder, ranging from 10 to 90 wt% Y-PSZ, were prepared using a wet mixing process. Ten compacts (13.5mm×3mm) were made for each composition, pressed and fired in air at sinte...
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تاریخ انتشار 2010