Crystallographic approach to obtain intensive elastic parameters of k33 mode piezoelectric ceramics. Issue 15 (December 2017)

• Record Type: Journal Article
• Authors: Choi, Minkyu; Scholehwar, Timo; Hennig, Eberhard; Uchino, Kenji
• Is Part Of: Journal of the European Ceramic Society. Volume 37:Issue 15(2017)
• Page Start: 5109
• Page End: 5112
• Publication Date: 2017-12
• Subjects: Elastic compliance -- Piezoelectric ceramics -- Angled polarization -- Mechanical loss -- Rotation matrix; Ceramic materials -- Periodicals; Composite materials -- Periodicals; Matériaux céramiques -- Périodiques; Composites -- Périodiques; Ceramic materials; Composite materials; Periodicals; Electronic journals; 666.05
• DOI: 10.1016/j.jeurceramsoc.2017.07.001
• Languages: English
• ISSNs: 0955-2219

Abstract

Abstract: This paper presents an advanced piezo-material characterization method to obtain intensive elastic parameters of the k 33 vibration mode from the k 31 geometry through crystallographic approach with canted polarization. Three effective k 31 bars with 0, γ, and π/2-γ degree angled polarization is needed where 0 < γ < π/4. Eliminating s 13 E, * and s 55 E, * components from the effective elastic parameters, the k 33 mode elastic parameters could be derived. Pb{(Zr0.56 Ti0.44 )0.99 Nb0.01 }O3 with 0, 15, 30, 45, 60, 75 ° angled polarization were prepared and characterized under constant vibration velocity to obtain the effective elastic parameters for the k 31 mode. The intensive elastic compliance s 33 E and elastic loss tan ϕ ′33 are derived and compared to the measured value from the conventional methods Due to the low structural impedance of the measured geometry (i.e., large sample capacitance), the reliability on the proposed method is extraordinary, and the implicit relative error in the conventional methods could be avoided.