کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1462076 | 989627 | 2012 | 4 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Piezoelectric and dielectric properties of (K0.44Na0.52Li0.04)(Nb0.86Ta0.10Sb0.04)O3–PVDF composites Piezoelectric and dielectric properties of (K0.44Na0.52Li0.04)(Nb0.86Ta0.10Sb0.04)O3–PVDF composites](/preview/png/1462076.png)
(Li, Ta, Sb) modified sodium potassium niobate/poly(vinylidene fluoride) [(K0.44Na0.52Li0.04)(Nb0.86Ta0.10Sb0.04)O3–PVDF] 0-3 composites were prepared by a cold press technique, and their piezoelectric and dielectric properties were characterized. All composites exhibited good dispersion of ceramic particles in the polymer matrix. The piezoelectric and dielectric constants were found to be enhanced as the concentration of sodium potassium niobate increases. Even though the process is simple, the composite prepared in this study showed better piezoelectric and dielectric properties than PZT–polymer composites. At room temperature, a (K0.44Na0.52Li0.04)(Nb0.86Ta0.10Sb0.04)O3–PVDF (7:3) composite revealed a relative dielectric constant, ɛr = 166, piezoelectric constant, d33 = 33 pC/N and coercive field, Ec = 5 kV/cm.
Journal: Ceramics International - Volume 38, Supplement 1, January 2012, Pages S263–S266