کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1476473 | 1510146 | 2007 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ultrasonic and piezoelectric properties of the BT-LMT ceramic system
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
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چکیده انگلیسی
Ultrasonic and piezoelectric studies of lead free ceramic system structures of (1 â x)BaTiO3-xLa(Mg1/2Ti1/2)O3 (BT-LMT) are presented in this contribution. It was shown, that such materials with x = 0.025, 0.05, 0.075 and 0.1 LMT content undergo phase transitions and exhibit piezoelectric effect in the low temperature phases. Anomalies of ultrasonic velocity and attenuation at phase transitions have been observed in these materials. Measurements of temperature dependencies of ultrasonic velocity and attenuation revealed anomalies related to phase transitions in these materials. It was shown that, at room temperature and under dc bias electric field, these ceramics behave as a piezoelectrics because of electrostriction.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the European Ceramic Society - Volume 27, Issues 13â15, 2007, Pages 4003-4006
Journal: Journal of the European Ceramic Society - Volume 27, Issues 13â15, 2007, Pages 4003-4006
نویسندگان
V. Samulionis, A. Salak, J. Banys, V.M. Ferreira, P. Keburis,