Corrosion Science and Technology

The Corrosion Science Society of Korea (한국부식방식학회)
권호 표지

Domain Switching and Crack Propagation of $BaTiO_3$ Single Crystal in Different Environments

  • Gao, Kewei (Department of Materials Physics and Chemistry University of Science and Technology Beijing) ;
  • Zhao, Xianwu (Department of Materials Physics and Chemistry University of Science and Technology Beijing) ;
  • Wang, Ruimin (Department of Materials Physics and Chemistry University of Science and Technology Beijing) ;
  • Qiao, Lijie (Department of Materials Physics and Chemistry University of Science and Technology Beijing) ;
  • Chu, Wuyang (Department of Materials Physics and Chemistry University of Science and Technology Beijing)
  • Published : 2008.12.01
Download PDF
⟨ Previous Next ⟩

Abstract

The influence of a moist atmosphere on $90^{\circ}$ domain switching under a sustained electric field, stress corrosion cracking of an indentation crack in water and an aggressive solution, and the relation between penetrating crack propagation and domain switching were studied using $BaTiO_3$ single crystal. The results indicate that enlarging the domain switching zone and crack propagation could be facilitated by a moist atmosphere or an aggressive solution due to the indentation residual stress. A moist atmosphere exerts remarkable influence upon the polarization of $BaTiO_3$ single crystal under a sustained electric field, and the surface energy of the c domain was much lower than that of the a domain. Domain switching ahead of a penetrating indentation crack tip was an essential requirement for crack propagation under constant stress.

Keywords

References

  1. T. H. Hao, X. Gong, and Z. Suo, J Mech Phys Solids, 44, 23 (1996) https://doi.org/10.1016/0022-5096(95)00068-2
  2. R. M. Wang, W. Y. Chu, K. W. Gao, Y. J. Su, and L. J. Qiao, Mater Letter, 58, 1811 (2004) https://doi.org/10.1016/j.matlet.2003.11.011
  3. T. Y. Zhang, L. Q. Chen, and R. Fu, Acta materials, 47(14), 3869 (1999) https://doi.org/10.1016/S1359-6454(99)00248-7
  4. Y. J. Su, Y. Wang, W. Y. Chu, K. W. Gao, and L. J. Qiao, Acta mater, 52, 3753 (2004) https://doi.org/10.1016/j.actamat.2004.02.040
  5. Y. Wang, W. Y. Chu, K. W. Gao, Y. J. Su, and L. J. Qiao, Appl Phys Lett, 82, 1583 (2003) https://doi.org/10.1063/1.1558958
  6. T. Zhu and W. Yang, J Mech Phys Solids, 47, 81 (1999) https://doi.org/10.1016/S0022-5096(98)00082-9
  7. Z. Suo and O. Curr, Solid State Mater Sci, 3, 486 (1998) https://doi.org/10.1016/S1359-0286(98)80012-0
  8. Y. Wang, W. Y. Chu, Y. J. Su, and L. J. Qiao, Mater Sci Eng, B95, 263 (2002)
  9. G. R. Anstis, P. Chantikul, B. R. Lawn, and D. B. Marshall, J Am Ceram Soc, 64, 533 (1981) https://doi.org/10.1111/j.1151-2916.1981.tb10320.x
  10. J. Munoz-Saldana, G. A. Schneider, and L. M. Eng, Surface Science, 480, L402 (2001) https://doi.org/10.1016/S0039-6028(01)00992-X