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Bioactive calcium phosphate coatings on zirconia ceramics

Author(s): Martin Štefanič (Author), Tomaž Kosmač (Supervisor), Kristoffer Krnel (Co-Supervisor)

Year: 2013

Type: Doctoral dissertation

This doctoral thesis describes the synthesis and characterization of calcium phosphate (CaP) coatings on zirconia ceramics. The main application of coated zirconia is in medicine, particularly in the area of dental bone implants. Due to the favourable biological characteristics of CaP, it can be expected that the application of CaP …

Innovative electroconductive ceramic composites based on Si3N4

Author(s): Aljoša Maglica (Author), Tomaž Kosmač (Supervisor), Kristoffer Krnel (Co-Supervisor)

Year: 2011

Type: Doctoral dissertation

This thesis describes an investigation of electrically conductive composites based on Si3N4 with dispersed TiN or ZrN particles fabricated by an in-situ composite method. The influence of the amount of conductive phase of the Si3N4/TiN and Si3N4/ZrN composites on the density, the flexural strength and the electrical conductivity were evaluated. …

The hydrolysis of AlN powder and its use for the synthesys of nanostructured alumina coatings

Author(s): Andraž Kocjan (Author), Tomaž Kosmač (Supervisor), Kristoffer Krnel (Co-Supervisor)

Year: 2010

Type: Doctoral dissertation

he thesis describes a study of aluminum nitride (AlN) powder hydrolysis in the temperature range between 5 °C and 90 °C. The analysis of the temperature dependence of the course of the hydrolysis and the reaction kinetics, along with a mechanistic model set up for the hydrolysis reactions, gives a …