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Volumn 83, Issue 11, 1998, Pages 6126-6139

Electroelastic equations describing slow hysteresis in polarized ferroelectric ceramic plates

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Indexed keywords


EID: 2442670027     PISSN: 00218979     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.367482     Document Type: Article
Times cited : (15)

References (21)
  • 6
    • 85034477426 scopus 로고    scopus 로고
    • note
    • It would be desirable to have it done at zero frequency, but this is not possible because the material would change temperature from Joule heating, which would cause the coefficients to change drastically.
  • 8
    • 85034478900 scopus 로고    scopus 로고
    • note
    • LM. In other works it is stated that measurements verify the symmetry. Alternatively, Coleman's formulation of thermodynamics can be used to demonstrate the symmetry. It should also be noted that if in the four-dimensional vector space the material coefficients arising when (2.36) and (2.37) are substituted in (2.34) are written as a symmetric matrix plus an antisymmetric matrix, the rate of entropy production arising from the quadratic terms containing the antisymmetric matrix vanishes. Since terms of this nature usually arise as gyroscopic terms, which have nothing to do with thermodynamics, it can be argued that such terms should not arise unless there is some well-defined physical reason for their existence, such as superposed magnetic fields or angular momentum.
  • 9
    • 0016487250 scopus 로고
    • The conditions that arise when a material surface abuts either free space or a conductor, in which case surface charge can arise, are discussed in detail in H. F. Tiersten, J. Acoust. Soc. Am. 57, 660 (1975).
    • (1975) J. Acoust. Soc. Am. , vol.57 , pp. 660
    • Tiersten, H.F.1
  • 10
    • 85034475573 scopus 로고    scopus 로고
    • note
    • 1.
  • 12
    • 85034484763 scopus 로고    scopus 로고
    • note
    • 3 is positive or negative, respectively.
  • 13
    • 85034476265 scopus 로고    scopus 로고
    • note
    • This is consistent with our qualitative physical reasoning based on domain switching and would certainly be required for more complicated shapes of hysteresis loops than those considered in this work.
  • 14
    • 0004048477 scopus 로고
    • IEEE Std. IEEE, New York, Table 2
    • IEEE Standard on Piezoelectricity, IEEE Std. 176-1978 (IEEE, New York, 1978), Table 2.
    • (1978) IEEE Standard on Piezoelectricity , pp. 176-1978
  • 15
    • 85034474846 scopus 로고    scopus 로고
    • 6v (6 mm)
    • 6v (6 mm).
  • 16
    • 3643134595 scopus 로고
    • edited by A. C. Eringen Academic, New York
    • A. J. M. Spencer, in Continuum Physics, edited by A. C. Eringen (Academic, New York, 1972), Vol. 1, Part III.
    • (1972) Continuum Physics , vol.1 , Issue.3 PART
    • Spencer, A.J.M.1
  • 19
    • 85034462652 scopus 로고    scopus 로고
    • note
    • The three-dimensional linear piezoelectric constants are given in Table II. They were calculated from data provided by the manufacturer, American Piezo Ceramics, for PZT type 8-50, which is equivalent to Navy type II or Piezoelectric Products type G-1195. Relations in Eqs. (43) of Ref. 14 were used in the calculation.
  • 20
    • 85034481739 scopus 로고    scopus 로고
    • note
    • When actuators are used on the top and bottom of plates and beams in the case of flexure, one polarization loop is always outside the initial saturation polarization-electric-field curve and the other, inside. As the inside loop moves down towards depolarization under repeated operation, the outside loop moves up towards the completely switched condition. Since the distance from the starting saturation loop at zero electric field to the completely switched state is usually less than the distance to the depolarized state, it is likely that the fully switched state is reached in one actuator before the depolarized state is reached in the other. Furthermore, when the hysteretic behavior is caused by the amplitude of the driving voltage employed, if the power can be turned off at an appropriate point in the cycle, the depolarized (or completely switched) state can be avoided for a considerably longer operating period. Since the polarization-electric-field loops must be traversed in a counterclockwise direction, the loops in Fig. 5 indicate that the appropriate point in the cycle is just after the turning points when each loop will return to zero field at a value of polarization nearest the value on the initial saturation polarization-electric-field curve.
  • 21
    • 85034467791 scopus 로고    scopus 로고
    • note
    • We used the word loop to refer to a single curve of a loop, which is actually composed of two connected curves, because this terminology is convenient in this context.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.