Mechanical behavior, properties and reliability of tin-modified lead zirconate titanate.

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The influences of temperature and processing conditions (unpoled or poled-depoled) on strength, fracture toughness and the stress-strain behavior of tin-modified lead zirconate titanate (PSZT) were evaluated in four-point bending. PSZT exhibits temperature-dependent non-linear and non-symmetric stress-strain behavior. A consequence of temperature dependent non-linearity is an apparent reduction in the flexural strength of PSZT as temperature increases. At room temperature the average stress in the outer-fiber of bend bars was 84 MPa, whereas, for specimens tested at 120 C the average failure stress was only 64 MPa. The load-carrying capacity, however, does not change with temperature, but the degree of deformation ... continued below

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28 p.

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Watson, Chad Samuel August 1, 2003.

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Description

The influences of temperature and processing conditions (unpoled or poled-depoled) on strength, fracture toughness and the stress-strain behavior of tin-modified lead zirconate titanate (PSZT) were evaluated in four-point bending. PSZT exhibits temperature-dependent non-linear and non-symmetric stress-strain behavior. A consequence of temperature dependent non-linearity is an apparent reduction in the flexural strength of PSZT as temperature increases. At room temperature the average stress in the outer-fiber of bend bars was 84 MPa, whereas, for specimens tested at 120 C the average failure stress was only 64 MPa. The load-carrying capacity, however, does not change with temperature, but the degree of deformation tolerated by PSZT prior to failure increased with temperature.

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28 p.

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  • Report No.: SAND2003-2422
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/918347 | External Link
  • Office of Scientific & Technical Information Report Number: 918347
  • Archival Resource Key: ark:/67531/metadc885063

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  • August 1, 2003

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 7, 2016, 5:31 p.m.

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Watson, Chad Samuel. Mechanical behavior, properties and reliability of tin-modified lead zirconate titanate., report, August 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc885063/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.