1. Faculty of Materials Science and Engineering; Warsaw University of Technology; Woloska 141 str Warsaw, 02-507 Poland
2. Fraunhofer Institute for Ceramic Technologies and Systems IKTS; Maria-Reiche-Str. 2; 01109 Dresden Germany
3. Institute of Heat Engineering; 21/25 Nowowiejska Street, Warsaw University of Technology; Warsaw, 00-665 Poland