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  • 1
    Electronic Resource
    Electronic Resource
    Reduction of applied electric potential controlling thermoelastic displacement in a piezoelectric actuator (1999)
    Springer
    Archive of applied mechanics 69 (1999), S. 443-454 
    Details
    ISSN: 1432-0681
    Keywords: Key words Thermoelasticity ; displacement control ; piezoelectric ceramics ; solid state actuator ; multi-layered plate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary The present paper discusses how to reduce the applied electric potential which controls a distribution of the elastic displacement, when temperature change induces elastic deformation in a piezoelectric-based solid state actuator. The actuator consists of an isotropic structural plate, onto which multiple piezoelectric ceramic plates of crystal class 6mm are perfectly bonded. The analysis of this thermoelastic problem leads to electric potential applied to piezoelectric ceramic plates. Numerical calculations are carried out for an isotropic steel plate, onto which multiple cadmium-selenide plates are perfectly bonded. Finally, it is shown that the maximum applied electric potential in the case of ten cadmium selenide plates can be reduced to 11% of that derived from the previous study of a similar problem of one cadmium selenide plate bonded onto an isotropic steel plate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004190050233
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Transient response of a piezothermoelastic circular disk under axisymmetric heating (1998)
    Springer
    Acta mechanica 128 (1998), S. 1-14 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary Transient temperature, displacement, stress and electric field intensities in a finite circular piezothermoelastic disk undergoing axisymmetric surface heating are examined. Exact solutions to the equations of equilibrium and electrostatics are obtained using a potential function approach based upon two piezothermoelastic potential functions, three piezoelastic potential functions and a piezoelectric potential function. The disk under consideration is assumed to exhibit hexagonal material symmetry of class 6 mm. The initial temperature of the disk is zero; thereafter one face is subjected to linear heat transfer from an adjacent medium (Newton's law of cooling), while the temperature of the other face remains constant. Both faces are taken to be free of traction. The cylindrical boundary of the disk is thermally insulated, electrically charge-free, and constrained against radial deformation. Numerical results are obtained for the stress and the electric potential distributions in a cadmium selenide disk.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01463155
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Control of thermally induced elastic displacement of an isotropic structural plate bonded to a piezoelectric ceramic plate (1997)
    Springer
    Acta mechanica 122 (1997), S. 49-63 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The present paper deals with a thermoelastic problem in an isotropic structural plate to which a piezoelectric ceramic plate of crystal class 6mm is perfectly bonded. It is assumed that the combined plate is subjected to a thermal load and then is deformed. In this case, we try to control the deformation of the isotropic structural plate by applying an electric potential to the piezoelectric ceramic plate. By analyzing the piezothermoelastic problem in the combined plate, we obtain an appropriate applied electric potential which alters the isotropic structural plate to a prescribed deformation. Finally numerical calculations are carried out for an isotropic steel plate to which a cadmium selenide plate is perfectly bonded, and the results are illustrated graphically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01181989
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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