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- W2356122495 abstract "Using lead lanthanum zirconate titanate [(Pb1–xLax)(Zr1–yTiy)O3, PLZT] piezoelectric ceramic, polyvinyl alcohol [(C2H4O)n] and glycerin (C3H7O3) as raw materials, the PLZT ceramic fibers were fabricated with viscous polymer processing. By arranging PLZT fibers and casting epoxy resin E–51, PLZT/E–51 1–3 piezoelectric composites with ceramic volume fraction of 30% were achieved. The microstructures and phase structure were determined by scanning electron microscope and X-ray diffraction. As a result, after polymer removal and sintering, the PLZT fibers were trigonal perovskite phase with a cross section diameter of 250 μm. As for the 1–3 piezoelectric composites, the piezoelectric constant (d33), relative dielectric permittivity (er), thickness coupling coefficient (kt), radial coupling coefficient (kp), anisotropic property (kt/kp), and acoustic impedance (Z) were 500×10–12 C/N, 626, 0.67, 0.30, 2.23, and 11.03×106 kg/(m2·s), respectively. The anisotropic properties of these 1–3 piezoelectric composites were far higher than those of pure ceramic, while Z decreases remarkably, almost close to the polymer, which improves the probe’s resolution power and makes it easier to obtain matching backing materials fur use as ultrasonic transducers." @default.
- W2356122495 created "2016-06-24" @default.
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- W2356122495 date "2007-01-01" @default.
- W2356122495 modified "2023-09-23" @default.
- W2356122495 title "FABRICATION AND PROPERTIES OF LEAD LANTHANUM ZIRCONATE TITANATE FIBER 1–3 PIEZOELECTRIC COMPOSITES" @default.
- W2356122495 hasPublicationYear "2007" @default.
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