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Aluminium oxide ceramics microstructure modification for ballistic testing
Rolek, Ondřej ; Drdlík, Daniel (referee) ; Roleček, Jakub (advisor)
This bachelor thesis describes basic shaping methods of ceramic materials and drying processes of wet ceramics, with concern of slip casting method. The experimental part of this thesis presents the usage of slip casting method for preparation of Al2O3 ceramic plates, suitable for personal and vehicle ballistic protection. Tailoring of the slip casting plaster molds, with regard to the resulting properties of the Al2O3 ceramic body, in particular its relative density, is also described in this part. The influence of sintering temperature on final relative density of ceramic samples and on their microstructure especially their grain size is also shown in the practical. Bulk ceramic samples suitable for upcoming ballistic testing with low grain size (1,18 m) and high relative density exceeding 99 % were prepared from alumina.
Aluminium oxide ceramics microstructure modification for ballistic testing
Rolek, Ondřej ; Drdlík, Daniel (referee) ; Roleček, Jakub (advisor)
This bachelor thesis describes basic shaping methods of ceramic materials and drying processes of wet ceramics, with concern of slip casting method. The experimental part of this thesis presents the usage of slip casting method for preparation of Al2O3 ceramic plates, suitable for personal and vehicle ballistic protection. Tailoring of the slip casting plaster molds, with regard to the resulting properties of the Al2O3 ceramic body, in particular its relative density, is also described in this part. The influence of sintering temperature on final relative density of ceramic samples and on their microstructure especially their grain size is also shown in the practical. Bulk ceramic samples suitable for upcoming ballistic testing with low grain size (1,18 m) and high relative density exceeding 99 % were prepared from alumina.

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