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000			04363ntm a2200289 a 4500
001			vtls000094026
003			KUKTEM
005			20251114204344.0
008			160321t2015 my a f 000 0 eng d
020			_aTHE0005401(Local)
039		9	_a201905151448 _bhanafiah _c201710111636 _daishah _c201603211255 _dshima _y201603211137 _zshima
040			_aUMP
090			_aFKP .N87 2015 r Thesis
100	0		_aNur Shafiza Afzan Binti Sharif
245	1		_aSynthesis and characterization of lead zirconate titanate (Pb[Zr0.52Ti0.48]O3) properties via high energy planetary ball milling / _cNur Shafiza Binti Sharif
260			_aKuantan, Pahang : _bUMP, _c2015
300			_axvi, 170 p. : _bill. (some col.) ; _c30 cm. + _e1 CD-ROM
500			_aFaculty of Manufacturing Engineering
502			_aThesis (Doctor of Philosophy in Advance Ceramic Material) -- Universiti Malaysia Pahang – 2015
504			_aBibliography : p. 132-147
520			_aPb(Zr0.52Ti0.48)O3piezoelectric was successfully prepared by solid state reaction methodvia high energy planetary ball milling. This method which implements a single firing step where the calcinations process has been skipped thus successfully controls the higher evaporation amount of PbO during sintering process. Optimization is importanton sintering parameters when using a single firing process. With the optimum processing parameters and sintering conditions (temperature and duration), the excellent PZT formation and optimum electrical properties of PZT ceramics was produce. The properties of piezoelectric materials were modified by different milling duration (20, 40 and 60 hours) and sintering parameters (temperature: 1000, 1050, 1100, 1150 and 1200 °C; soaking time: 1, 2 and 3 hours). Based on the study, sample milled for 40 hours show suitable milling duration with SEM analysis promotes fine particles and densification, thus achieved an excellent dielectric and piezoelectric properties. Preliminary works have been done in order to find suitable sintering temperature and durations to obtain the best PZT formation with good piezoelectric properties. This study continued to the next phase with 40 hours and sintered at different sintering temperatures (1050, 1100, 1150 and 1200 °C) and durations (1, 2 and 3 hours). According to the results, XRD analysis indicate that samples sintered at different sintering temperature and duration show single perovskite phase and no crystal structure changes were detected. However, sample sintered at 1200 °C for longer sinteringduration (3 hours), new phase which mainly of excess PbO oxides were identified. SEM analysis was carried out and shows that, fine and dense grain sizes were achieved after sintering at 1050, 1100 °C for 1 hour. Increasing the sintering temperature and duration,larger and irregular grain size were observed. SEM observation indicated that sample sintered at 1200 °C for 2 hours durations shows better grain morphology whereby homogenous and dense microstructure were obtained. Increasing of the sintering temperature and durations, produces an increase of the grain size, increase in dielectric and piezoelectric properties thus decrease the value of dielectric loss for PZT ceramic.However, higher sintering temperature (1200 °C) and longer sintering durations (3 hours), the relative density slightly decreases to about 92 % of the theoretical densityand causes the electrical properties to decrease. This phenomenon happens due to the evaporation of PbO whereby the existence of PbO phase was detected in the XRD patterns. Based on the results, sample sintered at 1200 °C for 2 hours show optimumsintering parameter and exhibits excellent room temperature electrical properties, which are listed as follows: εr = 2400, tan δ = 0.009, d33= 256 pC/N, kt = 0.48, kp= 0.42 and Qm= 1716.
610	2	0	_aFaculty of Manufacturing Engineering _xDissertations
650		0	_aUniversities and Colleges _xDissertations
650		0	_aTheses
856	4	0	_uhttp://ecollib.ump.edu.my/3571/ _zLibrary access only
999			_aVIRTUA40 _c599 _d605
999			_aVTLSSORT00800200040009001000245026003000500050205040520061006500650185609992