Ferroelasticity and R-Curve Behavior in BiFeO3-PbTiO3

Stress–strain curves of (1−x)BiFeO3–xPbTiO3 compositions with x=0.2, 0.3, and 0.35 were determined under uniaxial loading to assess the material's potential for domain switching. The composition with x=0.35 provides the highest remanent strain, with more than 0.2% coupled with a strong tendency...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2006-05, Vol.89 (5), p.1761-1763
Main Authors: Kounga Njiwa, A. B., Aulbach, E., Rödel, J., Turner, S. L., Comyn, T. P., Bell, A. J.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Electrotechnical and electronic ceramics
Exact sciences and technology
Materials elasticity
Stress-strain curves
Technical ceramics
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Summary:Stress–strain curves of (1−x)BiFeO3–xPbTiO3 compositions with x=0.2, 0.3, and 0.35 were determined under uniaxial loading to assess the material's potential for domain switching. The composition with x=0.35 provides the highest remanent strain, with more than 0.2% coupled with a strong tendency to relaxation. This ferroelastic behavior is in accordance with results from R‐curve measurements on the same compositions, where the material with the most remanent strain yields the highest toughening effect.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1551-2916.2006.00968.x