National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Processing and properties of lead free piezoceramic materials
Tásler, Jan ; Částková, Klára (referee) ; Maca, Karel (advisor)
This bachelor thesis deals with the study of lead free piezoceramic materials with comprehensive focus on the material called BCZT. The effect of different milling duration of the ceramic precursors and the effect of sintering temperature of the green body on the relative density and grain size of the final ceramics is studied on the prepared samples of this material with chemical composition of (Ba0,85Ca0,15)(Zr0,1Ti0,9)O3. Also, the effect of microstructure on the piezoelectric properties is examined. Both the milling duration and sintering temperature are key factors which influence the microstructure of ceramics. The effect of microstructure on the piezoelectric properties was confirmed mainly for piezoelectric coefficients d33 and kp.
Processing and properties of lead free piezoceramic materials
Tásler, Jan ; Částková, Klára (referee) ; Maca, Karel (advisor)
This bachelor thesis deals with the study of lead free piezoceramic materials with comprehensive focus on the material called BCZT. The effect of different milling duration of the ceramic precursors and the effect of sintering temperature of the green body on the relative density and grain size of the final ceramics is studied on the prepared samples of this material with chemical composition of (Ba0,85Ca0,15)(Zr0,1Ti0,9)O3. Also, the effect of microstructure on the piezoelectric properties is examined. Both the milling duration and sintering temperature are key factors which influence the microstructure of ceramics. The effect of microstructure on the piezoelectric properties was confirmed mainly for piezoelectric coefficients d33 and kp.

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