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Number of items: 16.

Vögler, Malte ; Fett, Theo ; Rödel, Jürgen (2018):
Crack‐tip toughness of lead‐free (1−x)(Na1/2Bi1/2)TiO3–xBaTiO3 piezoceramics.
In: Journal of the American Ceramic Society, 2018 (101), pp. 5304-5308. Wiley, ISSN 00027820,
DOI: 10.1111/jace.15972,
[Article]

Fett, Theo ; Kungl, Hans ; Hoffmann, Michael J. (2007):
Permittivity and loss tangent of unpoled LaSr-doped PZT under compressive loading.
In: Journal of Materials Science, 42 (20), pp. 8753-8756. ISSN 0022-2461,
[Article]

Kungl, Hans ; Theissmann, Ralf ; Knapp, Michael ; Baehtz, Carsten ; Fuess, Hartmut ; Wagner, Susanne ; Fett, Theo ; Hoffmann, Michael J. (2007):
Estimation of strain from piezoelectric effect and domain switching in morphotropic PZT by combined analysis of macroscopic strain measurements and synchrotron X-ray data.
In: Acta Materialia, 55 (6), pp. 1849-1861. [Article]

Kungl, Hans ; Fett, Theo ; Wagner, Susanne ; Hoffmann, Michael J. (2007):
Nonlinearity of strain and strain hysteresis in morphotropic LaSr-doped lead zirconate titanate under unipolar cycling with high electric fields.
In: Journal of Applied Physics, 101 (4), pp. 044101-1-044101-9. ISSN 00218979,
[Article]

Kounga Njiwa, Alain Brice ; Fett, Theo ; Lupascu, Doru C. ; Rödel, Jürgen (2006):
Effect of geometry and electrical boundary conditions on R-curves for lead zirconate titanate ceramics.
In: Engineering Fracture Mechanics, 73 (3), pp. 309-317. ISSN 00137944,
[Article]

Fett, Theo ; Kounga Njiwa, Alain Brice ; Rödel, Jürgen (2005):
Shielding Stresses for Soft PZT.
In: International Journal of Fracture, 134 (2), pp. 151-159. ISSN 0376-9429,
[Article]

Kounga Njiwa, Alain Brice ; Galal Yousef, Susan ; Fett, Theo ; Rödel, Jürgen (2005):
Influence of microcracking on crack-tip toughness of alumina.
In: Engineering Fracture Mechanics, 72 (7), pp. 1011-1019. ISSN 00137944,
[Article]

Fett, Theo ; Kounga Njiwa, Alain Brice ; Rödel, Jürgen (2005):
Crack opening displacements of Vickers indentation cracks.
In: Engineering Fracture Mechanics, 72 (5), pp. 647-659. ISSN 00137944,
[Article]

Fett, Theo ; Munz, D. ; Kounga Njiwa, Alain Brice ; Rödel, Jürgen ; Quinn, G. D. (2005):
Bridging stresses in sintered reaction-bonded Si3N4 from COD measurements.
In: Journal of the European Ceramic Society, 25 (1), pp. 29-36. ISSN 09552219,
[Article]

Fett, Theo ; Burghard, Zaklina ; Zimmermann, A. ; Aldinger, Fritz (2004):
Residual Stresses and Stress Intensity Factors for Vickers Indentation Cracks in Glass Derived from COD Measurements.
In: Advanced Engineering Materials, 6 (11), pp. 914-918. ISSN 1438-1656,
[Article]

Kounga Njiwa, Alain Brice ; Fett, Theo ; Quinn, G. D. ; Rödel, Jürgen (2004):
Crack-tip toughness measurements on a reaction bonded Si3N4.
In: Journal of the American Ceramic Society, 87 (8), pp. 1502-1508. [Article]

Fett, Theo ; Kounga Njiwa, Alain Brice ; Rödel, Jürgen (2004):
Stresses and stress intensity factors from COD of Vickers indentation cracks.
In: Journal of materials science / Letters, 39, pp. 2219-2221. [Article]

Kounga Njiwa, Alain Brice ; Fett, Theo ; Lupascu, Doru C. ; Rödel, Jürgen (2003):
Crack-tip toughness of a soft lead zirconate titanate.
In: Journal of the American Ceramic Society, 86 (11), pp. 1973-1975. [Article]

Neubrand, Achim ; Chung, Tai-Joo ; Rödel, Jürgen ; Steffler, Eric D. ; Fett, Theo (2002):
Residual stresses in functionally graded plates.
17, In: Journal of materials research, (11), pp. 2912-2920. [Article]

Chung, Tai-Joo ; Neubrand, Achim ; Rödel, Jürgen ; Fett, Theo (2001):
Fracture Toughness and R-Curve behaviour of Al2O3/Al FGMs.
114, pp. 789-796, [Conference or Workshop Item]

Fett, Theo ; Munz, D. ; Seidel, Jürgen ; Stech, Martin ; Rödel, Jürgen (1996):
Correlation between long and short crack R-curves in alumina using the crack opening displacement and fracture mechanical weight function approach.
79, In: Journal of the American Ceramic Society, (5), pp. 1189-1196. [Article]

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