Yazar "Doğan, A" için Makale Koleksiyonu listeleme
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Displacement amplification of electroactive materials using the cymbal flextensional transducer
Meyer, RJ; Doğan, A; Yoon, C; Pilgrim, SM; Newnham, RE (Elsevier Science Sa, 2001)High performance electroactive materials were studied as the driver element for the "cymbal" flextensional transducer. The compositions included were commercially available Navy Type I and PKT552 lead zirconate titanate ... -
Effect of ceramic processing methods on photostrictive ceramics
Poosanaas, P; Doğan, A; Prasadarao, AV; Komarneni, S; Uchino, K (Kluwer Academic Publ, 1999)Lanthanum-modified lead zirconate titanate (PLZT) ceramics (3/52/48) doped with 0.5 at.% WO3 were prepared by three different processing methods, coprecipitation, sol-gel and conventional oxide mixing techniques, to ... -
Frequency-tunable microwave dielectric resonator
Poplavko, YM; Prokopenko, YV; Molchanov, VI; Doğan, A (IEEE-Inst Electrical Electronics Engineers Inc, 2001)A new type of tunable composite dielectric resonator (DR) has been designed. In the structure of this DR, a controllable insert was used to change the resonance frequency (f(0)) in a wide spectral range, while preserving ... -
Influence of sample thickness on the performance of photostrictive ceramics
Poosanaas, P; Doğan, A; Thakoor, S; Uchino, K (Amer Inst Physics, 1998)Ferroelectric materials with high photovoltaic properties are of interest for new optical devices such as photostrictive ceramic actuators. However, fabrication of these devices requires development of materials exhibiting ... -
An ultrasonic motor using a metal-ceramic composite actuator generating torsional displacement
Koç, B; Doğan, A; Xu, Y; Newnham, RE; Uchino, K (Japan J Applied Physics, 1998)An ultrasonic motor composed of three components; a stator, a rotor and a ball bearing is proposed. The stator is made of an active piezoelectric ring, poled in the thickness direction and bonded with two windmill-like ...