TITLE

Electrical fracture toughness for electrically conductive deep notches driven by electric fields in depoled lead zirconate titanate ceramics

AUTHOR(S)
Wang, Tianhong; Zhang, Tong-Yi
PUB. DATE
December 2001
SOURCE
Applied Physics Letters;12/17/2001, Vol. 79 Issue 25, p4198
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This study demonstrates that electric fields can fracture depoled lead zirconate titanate ceramics and that the concepts of fracture mechanics can be used to measure the electrical fracture toughness. The electrical fracture toughness (G[sup E][sub C] = 263 ± 35 N/m) is about nine times higher than the mechanical fracture toughness (G[sup M][sup IC] = 30.4±3.9N/m). The highly electrical fracture toughness arises from the greater energy dissipation around the conductive sharp notch tip under purely electric loading, which is impossible under mechanical loading in brittle depoled ceramics. © 2001 American Institute of Physics. [DOI: 10.1063/1.1427437].
ACCESSION #
5669563

 

Related Articles

  • Mode coupling in lead zirconate titanate/epoxy 1–3 piezocomposite rings. Or, S. W.; Chan, H. L. W. // Journal of Applied Physics;10/15/2001, Vol. 90 Issue 8, p4122 

    Lead zirconate titanate (PZT)/epoxy 1–3 piezocomposite rings were fabricated with PZT volume fractions &fgr; ranging from 0.82 to 0.94 and with a small epoxy width of 77 μm in order to investigate their resonance characteristics and to reveal the mode coupling. Four major resonance...

  • In situ cell detection using piezoelectric lead zirconate titanate-stainless steel cantilevers. Yi, Jeong W.; Shih, Wan Y.; Mutharasan, R.; Shih, Wei-Heng // Journal of Applied Physics;1/1/2003, Vol. 93 Issue 1, p619 

    We have investigated piezoelectric lead zirconate titanate (PZT)-stainless steel cantilevers as real-time in-water cell detectors using yeast cells as a model system. Earlier studies have shown that mass changes of a cantilever can be detected by monitoring the resonance frequency shift. In this...

  • Stability of defects in lead–zirconate–titanate after unipolar fatigue. Verdier, Cyril; Lupascu, Doru C.; Rödel, Jürgen // Applied Physics Letters;9/30/2002, Vol. 81 Issue 14, p2596 

    Bipolar fatigue in ferroelectric lead-zirconate-titanate was previously shown to induce stable pinning centers for ferroelectric domain walls resulting in a significant loss in switchable polarization, but only fairly weak offsets were induced. The corresponding scenario after unipolar fatigue...

  • Publisher's Note.  // Applied Physics Letters;2015, Vol. 106 Issue 16, p1 

    A correction to the article "Ferroelectric capped magnetization in multiferroic PZT/LSMO tunnel junctions" published in March 31, 2015 issue of the periodical is presented.

  • Enhancement of magnetoelectric coupling in a piezoelectric-magnetostrictive semiring structure. Zhang, N.; Petrov, V. M.; Johnson, T.; Mandal, S. K.; Srinivasan, G. // Journal of Applied Physics;Dec2009, Vol. 106 Issue 12, p126101-1 

    Studies on magnetoelectric (ME) coupling in a semiring of lead zirconate titanate (PZT) with a Terfenol-D insert reveal strong ME coupling at low frequencies and two orders of magnitude enhancement in the strength at resonance associated with a unique bending mode in PZT. A model is discussed...

  • Emergence of environmentally friendly piezoelectric material. Mousharraf, Adnan // ECN: Electronic Component News;Dec2012, Vol. 56 Issue 14, p19 

    The article discusses the application of piezoelectric material PZT, its detrimental effects on the environment, and neurological development and development of environmentally friendly piezoelectric materials.

  • Can lead nonstoichiometry influence ferroelectric properties of Pb(Zr,Ti)O[sub 3] thin films? Aggarwal, S.; Madhukar, S.; Nagaraj, B.; Jenkins, I.G.; Ramesh, R.; Boyer, L.; Evans Jr., J.T. // Applied Physics Letters;8/2/1999, Vol. 75 Issue 5, p716 

    Reports on the influence of lead content on thin-film ferroelectric properties of lead niobium zirconate titanate. Preparation of the films by the sol-gel technique; Consequence of lead deficiency in the film; Accommodation of excess lead by forming octahedral site vacancies; Compensation of...

  • Effect of thermal annealing on switching dynamics of fatigued bulk lead zirconate titanate. Verdier, Cyril; Lupascu, Doru C.; von Seggern, Heinz; Rödel, Jürgen // Applied Physics Letters;10/11/2004, Vol. 85 Issue 15, p3211 

    The effect of thermal annealing on switching kinetics of electrically fatigued bulk lead-zirconate-titanate ceramics is demonstrated. Fatigue induces stretched exponential switching behavior reaching time constants in the range of hours. In the final stages of fatigue, all switching is highly...

  • Experimental and theoretical investigation on polarization reversal in unfatigued lead-zirconate-titanate ceramic. Zhukov, Sergey; Genenko, Yuri A.; Von Seggern, Heinz // Journal of Applied Physics;Jul2010, Vol. 108 Issue 1, p014106 

    The dynamics of polarization switching in a soft lead-zirconate-titanate ceramic has been studied over a broad time window ranging from 10-6–106 for applied fields between 0.5 and 2.5 kV/mm. The classical Kolmogorov–Avrami–Ishibashi model of the polarization reversal was not...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics