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Ferropiezoelectricity of calcium modified lead titanate ceramics (1987)

Mendiola, J. ; Alemany, C. ; Pardo, L. ; [et al.]

Springer

Journal of materials science 22 (1987), S. 4395-4397

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ISSN: 1573-4803

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: Abstract When a ceramic with grain Boundaries rich in OPb is poled Beyond 4O kV cm−1 at ferroelectric phase, the highest anisotropy of electromechanical coupling factor is obtained. An attempt to explain this Behaviour is made in terms of domain switching and the strains and cracks generated during cooling down poling. Apart from composition, two more factors are revealed as contributing to the disappearance of radial coupling in Ca-modified lead titanate ceramics: microtexture and electric poling strategy.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01132035

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