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The digital image correlation technique is used for full field measurements of axial strain and transverse strain of PZT95/5 ferroelectric ceramics under uniaxial compression. Based on the variations of the axial strain and transverse strain with axial stress, the effects of poling state and poling direction of PZT95/5 ferroelectric ceramics on the domain switching and phase transformation behaviors are explored. Domain switching occurs in unpoled and Z-axis poled PZT95/5 ferroelectric ceramics separately, while domain switching in the Y-axis poled PZT95/5 ferroelectric ceramic is not observed. Domain switching strain in the Z-axis poled PZT95/5 ferroelectric ceramic has obvious influences on the developments of axial strain and transverse strain, but the influence of domain switching strain in the unpoled PZT95/5 ferroelectric ceramic is very weak, which can be attributed to the different random distribution characteristics of domain orientation. By the strain decomposition analysis, it is proved that the domain switching and the phase transition process can be decoupled, and domain switching strain and phase transformation strain can be distinguished successfully. Compared with the Z-axis poled PZT95/5 ferroelectric ceramic, the unpoled PZT95/5 ferroelectric ceramic has a small critical stress of phase transformation, while the critical stress of the Y-axis poled PZT95/5 ferroelectric ceramics is big, which may be concluded that the domain switching behavior favors the phase transformation process. The polarization released behavior of PZT95/5 ferroelectric ceramic also depends on the poling direction. The depolarization mechanism of Z-axis poled PZT95/5 ferroelectric ceramic is caused by both domain switching and phase transformation, and the Y-axis poled PZT95/5 ferroelectric ceramic is caused by only phase transformation.
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Keywords:
- PZT95/5 ferroelectric ceramics /
- domain switching /
- phase transformation /
- poling state and direction
[1] Haertling G H 1999 J. Am. Ceram. Soc. 82 797
[2] Wang Y L 2003 Properties and Application of Functional Ceramics (Beijing:Science Press) p54(in Chinese)[王永龄 2003功能陶瓷性能与应用(北京:科学出版社)第54页]
[3] Okayasu M, Sato K, Mizuno M 2011 J. Eur. Ceram. Soc. 31 141
[4] Li Y J, Rogan R C, stndag E, Bhattacharya K 2005 Nat. Mater. 4 776
[5] Jones J L, Hoffman M, Vogel S C 2007 Mech. Mater. 39 283
[6] Okayasu M, Sugiyama E, Mizuno M 2010 J. Eur. Ceram. Soc. 30 1445
[7] Tuttle B A, Yang P, Gieske J H, Voigt J A, Scofield T W, Zeuch D H, Olson W R 2001 J. Am. Ceram. Soc. 84 1260
[8] Setchell R E 2003 J. Appl. Phys. 94 573
[9] Zhang F P, He H L, Liu G M, Yu Y, Wang Y G 2013 J. Appl. Phys. 113 183501
[10] Feng N B, Gu Y, Liu Y S, Nie H C, Chen X F, Wang G S, He H L, Dong X L 2010 Acta Phys. Sin. 59 8897 (in Chinese)[冯宁博, 谷岩, 刘雨生, 聂恒昌, 陈学锋, 王根水, 贺红亮, 董显林2010 59 8897]
[11] Setchell R E 2007 J. Appl. Phys. 101 053525
[12] Jiang Z X, Xing M Z, Sheng H T, Wang Y G, Nie H C, Liu Y S 2015 Acta Phys. Sin. 64 134601 (in Chinese)[蒋招绣, 辛铭之, 申海艇, 王永刚, 聂恒昌, 刘雨生2015 64 134601]
[13] Sutton M A, Orteu J J, Schreier H W 2009 Image Correlation for Shape, Motion, and Deformation Measurements (New York:Springer) p81
[14] Yang W 2000 Mechatronic Reliability p87(Beijing:Press of University of Tsinghua) (in Chinese)[杨卫2000力电失效学(北京:清华大学出版社)第87页]
[15] Okayasu M, Sato K, Kusaba Y 2011 J. Eur. Ceram. Soc. 31 129
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[1] Haertling G H 1999 J. Am. Ceram. Soc. 82 797
[2] Wang Y L 2003 Properties and Application of Functional Ceramics (Beijing:Science Press) p54(in Chinese)[王永龄 2003功能陶瓷性能与应用(北京:科学出版社)第54页]
[3] Okayasu M, Sato K, Mizuno M 2011 J. Eur. Ceram. Soc. 31 141
[4] Li Y J, Rogan R C, stndag E, Bhattacharya K 2005 Nat. Mater. 4 776
[5] Jones J L, Hoffman M, Vogel S C 2007 Mech. Mater. 39 283
[6] Okayasu M, Sugiyama E, Mizuno M 2010 J. Eur. Ceram. Soc. 30 1445
[7] Tuttle B A, Yang P, Gieske J H, Voigt J A, Scofield T W, Zeuch D H, Olson W R 2001 J. Am. Ceram. Soc. 84 1260
[8] Setchell R E 2003 J. Appl. Phys. 94 573
[9] Zhang F P, He H L, Liu G M, Yu Y, Wang Y G 2013 J. Appl. Phys. 113 183501
[10] Feng N B, Gu Y, Liu Y S, Nie H C, Chen X F, Wang G S, He H L, Dong X L 2010 Acta Phys. Sin. 59 8897 (in Chinese)[冯宁博, 谷岩, 刘雨生, 聂恒昌, 陈学锋, 王根水, 贺红亮, 董显林2010 59 8897]
[11] Setchell R E 2007 J. Appl. Phys. 101 053525
[12] Jiang Z X, Xing M Z, Sheng H T, Wang Y G, Nie H C, Liu Y S 2015 Acta Phys. Sin. 64 134601 (in Chinese)[蒋招绣, 辛铭之, 申海艇, 王永刚, 聂恒昌, 刘雨生2015 64 134601]
[13] Sutton M A, Orteu J J, Schreier H W 2009 Image Correlation for Shape, Motion, and Deformation Measurements (New York:Springer) p81
[14] Yang W 2000 Mechatronic Reliability p87(Beijing:Press of University of Tsinghua) (in Chinese)[杨卫2000力电失效学(北京:清华大学出版社)第87页]
[15] Okayasu M, Sato K, Kusaba Y 2011 J. Eur. Ceram. Soc. 31 129
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