| PZT/Epoxy (1-3형) 복합재료의 두께변화에 따른 압전특성 |
| 김용혁, 김호기, 김진수1, 이덕출1 |
한국과학기술원 재료공학과
1인하대학교 전기공학과 |
| Piezoelectric Properties on the Thickness of Specimens with PZT/Epoxy Composite Materials of 1-3 Connectivity |
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| ABSTRACT |
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In this paper, piezoelectric composite materials of 1-3 connectivity were prepared by using "dicing-filling" technique with PZT ceramics and epoxy polymers, and the dependence of piezoelectric properties on the thickness of specimens was investigated. In case that the PZT volume percent is 18.1%, according to an increment of thickness, the dielectric constant of composites( 33) is unchangeable, which is about 200, the piezoelectric coefficient (d33) is somewhat increased, which is about 240-280 (PC/N) and the electromechanical coupling factor of thickness mode(kt) is proportioned, but radial mode(kp) is constant. |
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