Poling effects and piezoelectric properties of PVDF-modified 0–3 connectivity cement-based/lead-free 0.94(Bi 0.5 Na 0.5 )TiO 3 –0.06BaTiO 3 piezoelectric ceramic composites
作者： Rattiyakorn Rianyoi , Ruamporn Potong , Athipong Ngamjarurojana , Arnon Chaipanich
DOI: 10.1007/S10853-017-1533-4
关键词:
摘要: PVDF-modified 0–3 connectivity cement-based/lead-free 0.94(Bi0.5Na0.5)TiO3–0.06BaTiO3 piezoelectric ceramic composites were fabricated using (BNBT), Portland cement, and polyvinylidene fluoride (PVDF). The microstructure, acoustic impedance (Z c), dielectric properties, influence of poling temperature electrical field on the coefficient (d 33) total period process with 50 vol% BNBT 1–10 PVDF investigated. results indicated that Z c, constant, loss decrease as content increases. d 33 was found to enhance more clearly when is than 2 vol%. showed an optimum increase 45% 5 used (under 1.5 kV/mm a 80°C). Moreover, these exhibit enhanced behavior in able reduce process. Interestingly, voltage (g composite had highest value 33.59 mV·m/N. Therefore, it can be safely concluded this new kind has potential concrete sensor for structural health monitoring applications.
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