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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Capsule-free Hot Isostatic Pressing of transparent structural and functional ceramic materials
 Krupa, Filip ; Drdlík, Daniel (referee) ; Maca, Karel (advisor)
The presented work focused on evaluating the suitability of several types of cubic zirconia powders for preparing suspension with a high solid content (over 40 vol.%). The suspensions were doped with TiO2 nanopowder (0,1 – 0,5 at. %). The influence of the shaping method (casting the suspension and drying the suspension by spray drying, followed by shaping through pressinng) and subsequent pre-sintering to the closed porosity stage was investigated, focusing on comparing two sintering regimes (long – 1300 °C/120 min and short – 1560 °C/2 min). The microstructure of both the pre-sintered samples and the samples after hot isostatic pressing was then observed using an electron microscope. The presented work assessed the influence of TiO2 on relative density, average grain size, and pore size, as well as the optimal amount of TiO2 to achieve maximum photoluminescent properties.
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