نتایج جستجو برای: y tzp matrix
تعداد نتایج: 850434 فیلتر نتایج به سال:
Anisotropic elastic response of microcracked bodies has been studied using transformation-toughened Mg-PSZ and Ce-TZP as model materials. These zirconias have been previously deformed in triaxial compression to effect various extents of phase transformation. Microcracks were found to align with the compression axis and their normalized density increases linearly with the extent of transformatio...
In the present paper the sintering behavior of 3 mol% yttria-stabilized zirconia (3Y-TZP) with and without small amount (0.2 wt %) of SiO2 additive was investigated. It has been studied the silica impact which was added in two ways (co-precipitation and mechanical mixing) on sintering kinetics of 3Y-TZP nanopowders at the initial sintering stage. It was found the silica additive leads to the ch...
The aim of this study was to evaluate the effects of hydrofluoric (HF) acid, acetic acid, and citric acid treatments on the physical properties and structure of yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) at ambient temperature. In total, 110 bar-shaped zirconia specimens were randomly assigned to 11 groups. The specimens in the control group (C) received no surface treatment, whi...
• As a result of grain size reduction, strength and hardness for 10Ce-1CaO 10Ce-1CaO-5Al2O3 increased compared to 10Ce-TZP. Aging resistance in all 10Ce-1CaO/ alumina composites. Measurement K I c by SEVNB VIF methods corroborate the difference between values obtained both methods. Ceria-stabilized zirconia-based composites have been developed aiming obtain ceramic materials with enhanced hardn...
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