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J. Korean Ceram. Soc. > Volume 29(3); 1992 > Article
Journal of the Korean Ceramic Society 1992;29(3): 183.
PZT-PNN-PZN계 세라믹스의 물리적 성질
정수태, 조상희1, 이우일2
부산공업대학 전자공학과
1경북대학교 재료공학과
2경북대학교 전자공학과
Physical Properties of PZT-PNN-PZN Ceramics
The physical properties of 0.5PZT-0.5(PNN-PZN) ceramics have been investigated as a function of PZN content. A pyrochlore phase exists in the range of 600∼850$^{circ}C$ and a stable perovskite phase appears above 850$^{circ}C$. The piezoelectric properties (except electro-mechanical coupling factor) of 0.5PZT-0.5(PNN-PZN) ceramics showed almost linear relationships of PZN content within the range of 0.5PZT-0.5PNN system and 0.5PZT-0.5PZN system. The temperature dependence of piezoelectric constant, the electric field dependence of induced strain and a bend strength are improved by addition of PZN.
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