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Institut für Struktur- und Funktionskeramik

Dr. Raúl BERMEJO

wissenschaftlicher Mitarbeiter

Telefon: +43 (0) 3842 402 4115
Raumnummer: 303
E-Mail: raul.bermejo(at)unileoben.ac.at

Arbeitsschwerpunkte

  • Microstructural characterization and mechanical properties of brittle materials.
  • Design and processing of layered architectures for optimal strength and toughness.
  • Mechanical testing of functional and structural ceramics.
  • Fracture mechanics and failure analysis of metal-ceramic structural and functional components. Weibull statistics.

Werdegang

  • 1992-2000 Diplomingenieur in Maschinenbau an der Universität Valladolid, Spanien
  • 2000-2001 Diplomarbeit an der San Diego State University (SDSU), San Diego, USA
  • 2001-2002 wissenschaftlicher Mitarbeiter am “Joint Mechanics Laboratory”, San Diego, USA
  • 2002-2006 Dissertation (Ph.D) an der Technischen Universität Katalonien, Barcelona, Spanien
  • Seit März 2006 wissenschaftlicher Mitarbeiter am Institut für Struktur- und Funktionskeramik, Leoben, Österreich

Publikationen

  • R. Bermejo, Y. Torres, A.J. Sánchez-Herencia, C. Baudín, M. Anglada and L. Llanes, “Residual Stresses, Strength and Toughness of Laminates with Different Layer Thickness Ratios”, Acta Mater. 54 (2006) p. 4745.
  • R. Bermejo, C. Baudín, R. Moreno, L. Llanes and A.J. Sánchez-Herencia, “Processing optimisation and fracture behaviour of layered ceramic composites with highly compressive layers”, Comp. Sci. Tech. 67 (2007) p. 1930.
  • R. Bermejo, Y. Torres, A.J. Sánchez-Herencia, C. Baudín, M. Anglada and L. Llanes, “Threshold strength evaluation on an Al 2O 3-ZrO 2 multilayered system”, J. Eur. Ceram. Soc. 27 [2-3] (2007) p. 1443.
  • R. Bermejo, A.J. Sánchez-Herencia, L. Llanes and C. Baudín, “High Temperature Mechanical Behaviour of Flaw Tolerant Alumina-Zirconia Multilayered Ceramics”, Acta Mater. 55 [14] (2007) p. 4891.
  • R. Bermejo, J. Pascual, T. Lube and R. Danzer, “Optimal Strength and Toughness of Al 2O 3-ZrO 2 Laminates designed with External or Internal Compressive Layers”, J. Eur. Ceram. Soc. 28 [8] (2008) p.1575.
  • R. Bermejo, Y. Torres, M. Anglada and L. Llanes, “Fatigue Behaviour of Alumina-Zirconia Multilayered Ceramics”, J. Am. Ceram. Soc. 91 [5] (2008) p. 1618.
  • R. Bermejo, H. Grünbichler, J. Kreith, and C. Auer, “Fracture Resistance of a Doped PZT Ceramic for Multilayer Piezoelectric Actuators: Effect of Mechanical Load and Temperature”, J. Eur. Ceram. Soc. 30 [3] (2009) p. 705.
  • M. Deluca, R. Bermejo, M. Pletz, P. Supancic, R. Danzer: “Strength and fracture analysis of silicon-based components for embedding” J. Eur. Ceram. Soc. 31[4] (2011) p. 549.
  • R. Bermejo, P. Supancic, I. Kraleva, F. Aldrian, R. Danzer, “Strength reliability of 3D low temperature co-fired multilayer ceramics under biaxial loading”, J. Eur. Ceram. Soc. 31[5] (2011) p. 745.
  • L. Sestakova, R. Bermejo, Z. Chlup and R. Danzer , “Strategies for fracture toughness, strength and reliability optimisation of ceramic-ceramic laminates”, Int. J. Mat. Res. (formerly Z. Metallkd.) 102 [6] (2011) p. 613

Auszeichungen

  • Best Paper Prize 2007-2008 from the European Ceramic Society (22.06.2009, Poland) for the work: “ Optimal Strength and Toughness of Al 2O 3-ZrO 2 Laminates designed with External or Internal Compressive Layers” , J. Eur. Ceram. Soc. , 28 [8] 1575-1583 (2008)