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The failure mechanism of PZT 95/5 under direct current and pulsed electric field is studied by experiment and theoretical analysis in this paper. The electrothermal coupled failure is the key mode when the PZT 95/5 is subjected to direct current. But when the pulsed electric field is applied to the PZT 95/5, the resonance effect and the relation between energy and frequency being considered, the vibrant energy shifts to high frequency and the possibility of electromechanical-coupled failure is increased with decreasing pulse duration. When the pulse duration is increased, the failure behavior transfers gradually from mechanical coupled with electric failure to direct current failure mode.
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Keywords:
- PZT 95/5 /
- failure mechanism /
- direct current /
- pulsed electric field
[1] Zhang F P, Du J M, Liu Y S, He H L, 2007 J. Am. Ceram. Soc. 90 2639
[2] Setchell R E, 2007 J. Appl. Phys. 053525
[3] Du J M, Zhang Y, Zhang F P 2006 Acta. Phys. Sin. 55 2584 (in Chinese) [杜金梅、张 毅、张福平 2006 物理学报 55 2584]
[4] McHenry K D, Koepke B G 1983 Fracture Mechanics of Ceramics edited by Bradt R C, Hasselman D P, Lange F F (Plenum, New York, 1983), Vol. 5, pp. 337—352
[5] Wang H, Singh R 1997 J. Appl. Phys. 81 7471
[6] Cao H, Evans A G 1994 J. Am. Ceram. Soc. 77 1783
[7] White G S, Raynes A S, Vaudin M D, Freiman S W 1994 J. Am. Ceram. Soc. 77 2603
[8] Zhang T Y, Hack J E 1992 J. Appl. Phys. 71 5865
[9] Fang J X, Ying Z W 2000 Dieletric Physics (Beijing:Science Press) p134 (in Chinese) [方俊鑫、殷之文 2000 电介质物理学(科学出版社)第134页]
[10] Cao S Q, Zhang W D, Xiao L X 2001Vabration Structure Modal Analysis-Theory, Experiment and Apllication (Tianjin:Tianjin University Press) pp73—84 (in Chinese) [曹树谦、张文德、萧龙翔 2001 振动结构模态分析——理论、实验与应用(天津大学出版社)第73—84页]
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[1] Zhang F P, Du J M, Liu Y S, He H L, 2007 J. Am. Ceram. Soc. 90 2639
[2] Setchell R E, 2007 J. Appl. Phys. 053525
[3] Du J M, Zhang Y, Zhang F P 2006 Acta. Phys. Sin. 55 2584 (in Chinese) [杜金梅、张 毅、张福平 2006 物理学报 55 2584]
[4] McHenry K D, Koepke B G 1983 Fracture Mechanics of Ceramics edited by Bradt R C, Hasselman D P, Lange F F (Plenum, New York, 1983), Vol. 5, pp. 337—352
[5] Wang H, Singh R 1997 J. Appl. Phys. 81 7471
[6] Cao H, Evans A G 1994 J. Am. Ceram. Soc. 77 1783
[7] White G S, Raynes A S, Vaudin M D, Freiman S W 1994 J. Am. Ceram. Soc. 77 2603
[8] Zhang T Y, Hack J E 1992 J. Appl. Phys. 71 5865
[9] Fang J X, Ying Z W 2000 Dieletric Physics (Beijing:Science Press) p134 (in Chinese) [方俊鑫、殷之文 2000 电介质物理学(科学出版社)第134页]
[10] Cao S Q, Zhang W D, Xiao L X 2001Vabration Structure Modal Analysis-Theory, Experiment and Apllication (Tianjin:Tianjin University Press) pp73—84 (in Chinese) [曹树谦、张文德、萧龙翔 2001 振动结构模态分析——理论、实验与应用(天津大学出版社)第73—84页]
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