| 닥터블레이드법에 의한 PLZT계 경사기능 압전 엑튜에이터의 제조와 압전 변위 특성 |
| 김한수, 최승철1, 이전국2, 정형진2 |
아주대학교 공과대학 재료공학과
1동경대학교 첨단과학기술연구센터 미래화학연구실
2한국과학기술연구원 광전세라믹스실 |
| Fabrication and Piezoelectric Strain Characteristics of PLZT Functionally Gradient Piezoelectric Actuator by Doctor Blade Process |
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| ABSTRACT |
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In (Pb, La)(Zr, Ti)O3 ceramic system, the functionally gradient material (FGM) was developed, and its processing and properties were investigated. The FGMs were successfully prepared through doctor blade method with acrylic binder system as well as mold stacking press method. The ultrasonic treatment was very effective for particle dispersion in slurry, and it lead to form clack-free green films. The strain-voltage characteristics of the FGM system was significantly improved which fabricated between a high piezoelectric-low dielectric and a low piezoelectric-high dielectric composition layer. |
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