A very high sensitivity ac dilatometer for the direct measurement of piezoelectric and electrostrictive constants

Kenji Uchino, Leslie E. Cross

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A capacitance type dilatometer has been constructed which is capable of resolving low frequency AC linear displacements of 10~ meter (O.OOlA) and can be used for the direct measurement of piezoelectric and electro-strictive deformation. Using the DC servo stabilization of the sensing element the mode of sensing the capacitance change generated by the crystal deformation has been radically improved. Some experimental data are given of piezoelectric and electrostrictive crystals and ceramics which have been measured by the established instrument.

Original languageEnglish (US)
Pages (from-to)35-39
Number of pages5
JournalFerroelectrics
Volume27
Issue number1
DOIs
StatePublished - Jan 1 1980

Fingerprint

extensometers
Dilatometers
Capacitance
capacitance
piezoelectric crystals
Crystals
sensitivity
crystals
alternating current
Stabilization
stabilization
direct current
ceramics
low frequencies

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

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A very high sensitivity ac dilatometer for the direct measurement of piezoelectric and electrostrictive constants. / Uchino, Kenji; Cross, Leslie E.

In: Ferroelectrics, Vol. 27, No. 1, 01.01.1980, p. 35-39.

Research output: Contribution to journalArticle

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