Determination of anisotropic intensive piezoelectric loss in polycrystalline ceramics
نویسندگان
چکیده
This paper presents an advanced characterization method to obtain anisotropic intensive piezoelectric loss for k31, k33 and k15 mode. By redefining half-power bandwidth, new procedure is suggested with effective k31-k15 geometry using crystallographic approach. Without low capacitance bar structure, the relative error not worth consideration. Difficulty of shear mode analysis due spurious peaks are also resolved angled polarization. 1% Nb-doped Pb(Zr0.56Ti0.44)O3 prepared analyzed. The vibration could be analyzed A- B-type resonance where polarization by 60 75° from applied electric field, respectively. Using method, losses obtained as 2.0, 1.3 2.2%, anisotropy successfully obtained.
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ژورنال
عنوان ژورنال: Ceramics International
سال: 2021
ISSN: ['0272-8842', '1873-3956']
DOI: https://doi.org/10.1016/j.ceramint.2021.02.210