Fett, Theo and Kounga Njiwa, Alain Brice and Rödel, Jürgen (2005):
Shielding Stresses for Soft PZT.
134, In: International Journal of Fracture, (2), pp. 151-159, ISSN 0376-9429, [Online-Edition: http://dx.doi.org/10.1007/s10704-005-8547-7],
[Article]
Abstract
Crack opening displacements (COD) were obtained on fully developed cracks in compact tension specimens manufactured from a commercial, soft lead zirconate titanate (PZT). The data were evaluated using the weight function method to provide crack closures stresses as a function of distance to the crack tip. As ferroelastic toughening in PZT shows time-dependent effects, data were taken at different stages of unloading. The peak closure stress was determined as 20 MPa.
Item Type: | Article |
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Erschienen: | 2005 |
Creators: | Fett, Theo and Kounga Njiwa, Alain Brice and Rödel, Jürgen |
Title: | Shielding Stresses for Soft PZT |
Language: | English |
Abstract: | Crack opening displacements (COD) were obtained on fully developed cracks in compact tension specimens manufactured from a commercial, soft lead zirconate titanate (PZT). The data were evaluated using the weight function method to provide crack closures stresses as a function of distance to the crack tip. As ferroelastic toughening in PZT shows time-dependent effects, data were taken at different stages of unloading. The peak closure stress was determined as 20 MPa. |
Journal or Publication Title: | International Journal of Fracture |
Volume: | 134 |
Number: | 2 |
Uncontrolled Keywords: | Closure stresses; crack opening displacements; PZT; weight functions |
Divisions: | 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences |
Date Deposited: | 18 May 2011 15:19 |
Official URL: | http://dx.doi.org/10.1007/s10704-005-8547-7 |
Identification Number: | doi:10.1007/s10704-005-8547-7 |
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