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Fabrication and properties of the thickness mode ultrasonic transducer based on 0.15Pb(Mg1/3Nb2/3)O-3-0.38PbHfO(3)-0.47PbTiO(3) piezoelectric ceramics
Wang, JS; Xiao, JJ; Zhao, XY; Wang, FF; Tang, YX; Zhang, QZ; Fang, BJ; Zhu, RF; Yue, QW; Liu, DX; Deng, J
2020-06-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Issue8Pages:11913
SubtypeArticle
AbstractIn this paper, the 0.15Pb(Mg1/3Nb2/3)O-3-0.38PbHfO(3)-0.47PbTiO(3) ternary piezoelectric ceramic fabricated by the partial oxalate method that exhibits superior electrical properties (d(33) = 447 pC/N and k(t) = 56.9%) and excellent thermal stability of the piezoelectric properties below T-C was studied. The newly discovered piezoelectric ceramic had a high Curie temperature (T-m = 297 degrees C), this feature was used to fabricate a novel single-element ultrasonic transducer whose center frequency was 2.15 MHz, with a - 6 dB bandwidth of up to 79.07%, and a sensitivity that reached -31.75 dB. The result of the experiment agreed well with that of PiezoCAD software based on the KLM model. This transducer's outstanding thermal stability below T-C can be widely used in non-destructive evaluation. At the same time, we measured the sound field distribution of the ultrasonic transducer. The focal length was measured approximately 47 mm. An obvious main lobe was clearly seen from the z-x scan. The power was measured as 17.98 mW; the beam width of -3dB was 3.5 x 3.6 mm; and the area was 9.83 mm(2) according to the FDA and IEC standards.
DOI10.1016/j.ceramint.2020.01.228
WOS KeywordELECTRICAL-PROPERTIES ; FERROELECTRIC CERAMICS ; PHASE-TRANSITION ; DESIGN
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28027
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, JS,Xiao, JJ,Zhao, XY,et al. Fabrication and properties of the thickness mode ultrasonic transducer based on 0.15Pb(Mg1/3Nb2/3)O-3-0.38PbHfO(3)-0.47PbTiO(3) piezoelectric ceramics[J]. CERAMICS INTERNATIONAL,2020(8):11913.
APA Wang, JS.,Xiao, JJ.,Zhao, XY.,Wang, FF.,Tang, YX.,...&Deng, J.(2020).Fabrication and properties of the thickness mode ultrasonic transducer based on 0.15Pb(Mg1/3Nb2/3)O-3-0.38PbHfO(3)-0.47PbTiO(3) piezoelectric ceramics.CERAMICS INTERNATIONAL(8),11913.
MLA Wang, JS,et al."Fabrication and properties of the thickness mode ultrasonic transducer based on 0.15Pb(Mg1/3Nb2/3)O-3-0.38PbHfO(3)-0.47PbTiO(3) piezoelectric ceramics".CERAMICS INTERNATIONAL .8(2020):11913.
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