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)
doi: 10.1111/jace.15972
Artikel, Bibliographie

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)
doi: 10.1007/s10853-007-1962-6
Artikel, Bibliographie

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)
Artikel, Bibliographie

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)
doi: 10.1063/1.2434836
Artikel, Bibliographie

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)
doi: 10.1016/j.engfracmech.2005.08.003
Artikel, Bibliographie

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
Artikel, Bibliographie

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)
doi: 10.1016/j.engfracmech.2004.09.004
Artikel, Bibliographie

Fett, Theo ; Kounga Njiwa, Alain Brice ; Rödel, Jürgen (2005)
Crack opening displacements of Vickers indentation cracks.
In: Engineering Fracture Mechanics, 72 (5)
doi: 10.1016/j.engfracmech.2004.07.003
Artikel, Bibliographie

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)
doi: 10.1016/j.jeurceramsoc.2004.03.005
Artikel, Bibliographie

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)
doi: 10.1002/adem.200400121
Artikel, Bibliographie

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)
Artikel, Bibliographie

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
Artikel, Bibliographie

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)
Artikel, Bibliographie

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

Chung, Tai-Joo ; Neubrand, Achim ; Rödel, Jürgen ; Fett, Theo (2001)
Fracture Toughness and R-Curve behaviour of Al2O3/Al FGMs.
Konferenzveröffentlichung, Bibliographie

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.
In: Journal of the American Ceramic Society, 79 (5)
doi: 10.1111/j.1151-2916.1996.tb08571.x
Artikel, Bibliographie