Fett, Theo ; Kounga Njiwa, Alain Brice ; Rödel, Jürgen (2005)
Shielding Stresses for Soft PZT.
In: International Journal of Fracture, 134 (2)
doi: 10.1007/s10704-005-8547-7
Article, Bibliographie
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 |
|---|---|
| Erschienen: | 2005 |
| Creators: | Fett, Theo ; Kounga Njiwa, Alain Brice ; Rödel, Jürgen |
| Type of entry: | Bibliographie |
| Title: | Shielding Stresses for Soft PZT |
| Language: | English |
| Date: | August 2005 |
| Journal or Publication Title: | International Journal of Fracture |
| Volume of the journal: | 134 |
| Issue Number: | 2 |
| DOI: | 10.1007/s10704-005-8547-7 |
| 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. |
| 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 |
| Last Modified: | 05 Mar 2013 09:47 |
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