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Structural Ceramics | imrsas.sk

Structural Ceramics

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Vice head:

Research area

Microstructure and mechanical properties of silicon nitride based monolithic ceramics, ceramic matrix composites, nano-composites, layered composites and coatings. Microstructure and mechanical properties of MoSi2 and MoSi2+SiC. High temperature characteristics of brittle materials / creep, slow crack growth, oxidation, etc; Fractographic failure analysis of brittle materials. Prediction of the life-time and reliability of brittle materials. Pre-standardization and standardizationactivities in the frame of ESIS and VAMAS.
The Department coordinates the Centre of Nanostructured Materials, SAS (NANOSMART) which has been created from selected Departments of six Institutes of the Slovak Academy of Sciences with the aim to reach the critical mass for systematic research and development of nanostructured and ultrafine grained materials with extraordinary properties. The main objective of the Centre is to create a comprehensive frame for research and development of advanced metallic and ceramic materials with defined nanoscale structure and extraordinary properties for future scientific and industrial applications. The main scientific goal of the Centre is to understand physical phenomena in materials composed of nanosized building blocks occurring during their processing and to understand physical, mechanical and fracture phenomena during their testing and in practical applications.

Research Methods

  • Microstructure analysis – sample preparation using ceramography (grinding, polishing, etching)
  • Thin foil preparation (dimpling, ion bombardment) – optical microscopy, scanning electron microscopy, transmission electron microscopy, X-ray analysis, statistical analysis of microstructure parameters
  • Mechanical tests – four point bending test/Weibull analysis, fracture toughness (IF, IS, SENB, SEVNB), indentation fatigue, thermal shock, creep in bending and compression up to 1500 °C
  • Macro and microfractography, statistical analysis of fracture mechanisms
    Laboratories of Structural Cearmics

Selected Projects


  • VEGA - Tribological properties of ceramic nanocomposites, Duration: 1.1.2010-31.12.2012

  • VEGA -The Study of the Creep behaviour and thermal Shock resistance of Si3N4 - SiC composites with rare - earth oxide additives, Duration: 1.1.2010-31.12.2012

  • VEGA - Influence of residual voltages in nanocomposites - N a Me-C (Me=W, Cr, Ti, Al) films on their mechanical properties, Duration: 1.1.2010-31.12.2012

  • APVV - Hard and superhard nanocomposite coatings - NANOHARDCOAT,
    Duration: 1.6.2008-31.12.2010

  • APVV-0171-06 - Research of ceramics materials for high corrosive environments, Duration: 2007-2009

  • Structural Funds EU - NanoCEXmat II. - Advanced materials wtith nano and submicron sized   structure, Duration: 5/2010-30.4.2013
  • Structural Funds EU - NanoCEXmat I. - Centrum of advanced materials with nano and submicron sized structure, Duration: 20.5.2009-30.4.2011
  • Structural Funds EU - SVIP - Slovak Research - Innovation Platform on Sustainable Mineral Resources (partner), Duration: 1.1.2010-31.12.2011
  • Structural Funds EU - CeKSiM - Centrum of advanced materials for Ceramic, Glass and Silicate materials (partner), Duration: 1.9.2010-31.12.2011
  •    NANOSMART - Centre of Excellence SAV, Centre of nanostructural materials, Duration: 1.11.2002- 31.12.2010

    ESF - Centre of the Education in the Field of Multidiscipliner Research and Development of Advanced     Materials and Technologies, Duration:  5.10.2007-30.9.2008


  •  7FP EU - Early recognition, monitoring and integrated management of emering, new technology related risks - INTEGRISK, Duration: 1.11.2008-31.12.2012
  • MNT - ERA.NET HArd NanoCOmposite Coatings - HANCOC, Duration: 1.1.2009-31.12.2011
  • 7FP EU - Reinforcement of research potential of the Department of Materials Engineering in the field of processing and characterization of nanostructured materials - DEMATEN, Duration: 1.5.2008-30.4.2011
  • Structure-property Relationship Study in Advanced Nanostructured Electroceramic Materials - ELENA, Duration: 1.1.2009-31.12.2011 

  •    7FP EU - Improving the research capacity of the Institute of materials research in Košice - IMPROVING, Duration: 1.32009-28.2.2010
  •        6FP EU - Knowledge based Multicomponent Materials, KMM - NoE, Duration: 1.10.2004-1.10.2008
  •        INTERREG III A - Carpathian virtual research and innovation centre, CERVITIN, Duration: 21.10. 2006-31.8.2008
  •        6FP EU - Network for Nanostructured Materials of ACC - NENAMAT, Duration: 1.8.2004-1.8.2006
  •        5FP EU - Structural Integrity of Ceramic Multilayers and Coatings - SICMAC, Duration: 9.1.2002-8.3.2006

International Collaboration

  • Institut für Struktur- und Funktionskeramik
  • Montanuniversität Leoben, Austria
  • Queen Mary University of London, Great Britain
  • RITPMS & Eőtvős Lorand University, Budapest, Hungary
  • EPMA, Zurich, Switzerland
  • etc. 






Selected Publications

    International Current content with impact factor

  • DUSZA, J. - ŠAJGALÍK, P. - STEEN, M. - SEMERAD, E.: Low-Cycle Fatigue Strength under Step Loading of a Si3N4+SiC Nanocomposite at 1350 °C. Journal of Materials Science, 36, 2001, p.4469-4477

  • HVIZDOŠ, P. - REECE, M.J. - TORRECILLAS, R.: Fatigue Behavior of Mullite Studied by Indentation Flexure Method. Journal of the European Ceramic Society, 21, 2001, p.53-61

  • LOFAJ, F. - WIEDERHORN, S.M. - LONG, G.G. - et al.: Non-Cavitation Tensile Creep in Lu-Doped Silicon Nitride. Journal of the European Ceramic Society, 22, 2002, p. 2479-2487

  • LOFAJ, F. - SMITH, D. - BLESSING, G. - LUECKE, W. - WIEDERHORN, S.M.:  Instrumented Indentation and Ultrasonic Velocity Technique for the Evaluation of Creep Cavitation in Silicon Nitride. Journal of Materials Science, 38, 2003, p.1403-1412

  • LOFAJ, F. - BLESSING, G. -WIEDERHORN, S.M.: Ultrasonic Velocity Technique for Nondestructive Quantification of Elastic Moduli Degradation during Creep in Silicon Nitride. Journal of the American Ceramic Society, 86, 2003, p.817-822

  • KOVAĽ, V. - ALEMANY, C. - BRIANČIN, J. - BRUNCKOVÁ, H. - SAKSL, K.: Effect of PMN Modification on Structure and Electrical  Response of xPMN-(1-x)PZT Ceramic Systems. Journal of the European Ceramic Society, 23, 2003, p.1157-1166

  • KAŠIAROVÁ, M. - RUDNAYOVÁ, E. - KOVALČÍK, J. - DUSZA, J. - HNATKO, M. - ŠAJGALÍK, P. - MERSTALLINGER, A.: Wear and Creep Characteristics of a Carbon-Derived Si3N4/SiC Micro/Nanocomposite. Materialwissenschaft und Werkstofftechnik, 34, 2003, p.338-342

  • HVIZDOŠ, P. - DUSZA, J. - STEINKELLNER, W. - KROMP, K.. Creep Behaviour of MoSi2 and MoSi2 + SiC Composite. Journal of Materials Science, 39, 2004, p.4073-4077

  • LOFAJ, F. - DÉRIANO, S. - LEFLOCH, M. - ROUXEL, T. - HOFFMANNN, M.J.: Structure and Rheological Properties of the RE-Si-Mg-O-A (RE=Sc, Y, La, Nd, Sm, Gd, Yb and Lu) Glasses. Journal of Non-Crystalline Solids, 344, 2004, p.8-16

  • DUSZA, J. - KOVALČÍK, J. - HVIZDOŠ, P. - ŠAJGALÍK, P. - HNATKO, M. - REECE, M.J.: Creep Behavior of a Carbon-Derived Si3N4/SiC Nanocomposite. Journal of the European Ceramic Society, 24, 2004, p.3307-3315

  • HVIZDOŠ, P. - KAŠIAROVÁ, M. - DUSZA, J. - HNATKO, M. - ŠAJGALÍK, P.: Mechanical Properties of Si3N4/SiC Nanocomposites Studies by Instrumented Indentation with Spheres. Journal of the European Ceramic Society, 24, 2004, p.3345-3350

  • KAŠIAROVÁ, M. - RUDNAYOVÁ, E. - DUSZA, J. - HNATKO, M. - ŠAJGALÍK, P. -MERSTALLINGER, A. - KUSZELLA, L.: Some Tribological Properties of a Carbon-Derived Si3N4/SiC Nanocomposites.  Journal of the European Ceramic Society, 24, 2004, p.3431-3435

  • LOFAJ, F. - SATET, R. - HOFFMANN, M.J. - DE ARELLANO-LÓPEZ, A.: Thermal Expansion and Glass Transition Temperature of the Rare-Earth Doped Exynitride Galsses. Journal of the European Ceramic Society, 24, 2004, p.3377-3385

  • HVIZDOŠ, P.: Damage Mechanism of Al-12Al4C3. Materials Letters, 58, 2004, p.867-870

  • KOVALČÍK, J. - DUSZA, J. - LUBE, T. - DANZER, R.: Delayed Failure Behaviour of the ESIS Silicon Nitride Reference Material at 1200 °C in Air. Materials Letters, 58, 2004, p.871-875

  • KOVAĽ, V. - REECE, M.J. - BUSHBY, A.: Relaxation Processes in Dielectric and Electromechanical Response of PZT Thin Films under Nanoindentation. Ferroelectrics, 318, 2005, p.55-61

  • KAŠIAROVÁ, M. - DUSZA, J. - HNATKO, M. - ŠAJGALÍK, P. - REECE, M.J.: Fractographic Montage for a Si3N4-SiC Nanocomposite. Journal of the American Ceramic Society, 89, 2006, p.1752-1755

  • LOFAJ, F.: Creep Mechnisms in Quasi-Plastic Silicon Nitride by Instrumented Indentation. Journal of the European Ceramic Society, 26, 2006, p.3933-3942

  • DUSZOVÁ, A. - DUSZA, J. - TOMÁŠEK, K. - BLUGAN, G.S. - KÜBLER, J.: Microstructure and Properties of Carbon Nanotube/Zirconia Composite. Journal of the European Ceramic Society, 28, 2008, p.1023-1027

  • HEGEDÜSOVÁ, L. - KAŠIAROVÁ, M. - DUSZA, J. - HNATKO, M. - ŠAJGALÍK, P.: Mechanical Properties of Carbon-Derived Si3N4-SiC + SiC Micro/Nano-Composite. International Journal of Refractory Metals and Hard Materials, 27, 2009, p.438-442

  • LOFAJ, F. - WIEDERHORN, S.M.: Creep Processes in Silicon Nitride Ceramics. Journal of Ceramic Processing Research, 10, 2009, p.269-277

  • KAŠIAROVÁ, M. - SHOLLOCK, B. - BOCCACCINI, A.R. - DUSZA, J.: Microstructure and Creep Behaviour of a  Si3N4-SiC + SiC Micronanocomposite. Journal of the American Ceramic Society, 92, 2009, p.439-444

  • DUSZA, J. - BLUGAN, G.S. - MORGIEL, J. - KÜBLER, J. - INAM, F. - PEIJS, T. - REECE, M.J. - PUCHÝ, V.: Hot Pressed and Spark Plasma Sintered Zirconia/Carbon Nanofiber Composites.  Journal of the European Ceramic Society, 29, 2009, p.3177-3184

  • KOVALČÍKOVÁ, A. - DUSZA, J. - ŠAJGALÍK, P.: Thermal Shock Resistance and Fracture Toughness of Liquid-Phase-Sintered SiC-Based Ceramics. Journal of the European Ceramic Society, 29, 2009, p.2387-2394

  • DUSZA, J. - MORGIEL, J. - TATARKO, P. - HVIZDOŠ, P.:  Characterization of Interfaces in ZrO2 - Carbon Nanofiber Composite. Scripta Materialia, 61, 2009, p.253-256

  • KRÁĽ, J. - FERDINANDY, M. - KOTTFER, D. - MAŇKOVÁ, I. - HEGEDÜSOVÁ, L. - KAŠIAROVÁ, M. - CSEHOVÁ, E. - DUSZA, J.: Effect of the Specimen Size on Strength of Si3N4 + SiC Composite. Journal of the European Ceramic Society, 30, 2010, p.1059-1065

  • HEGEDÜSOVÁ, L. - KOVALČÍKOVÁ, A. - CENIGA, L. - DUSZA, J.: Contact Strength and Crack Formation in Monolithic Ceramic Materials. Materials Science and Engineering A, 527, 2010, p.1179-1184

  • TATARKO, P. - LOJANOVÁ, Š. - DUSZA, J. - ŠAJGALÍK, P.: Influence of Various Rare-Earth Oxide Additives on Microstructure and Mechanical Properties of Silicon Nitride Based Nanocomposites.
    Materials Science and Engineering A, 527, 2010, p.4771-4778

  • HVIZDOŠ, P. - PUCHÝ, V. - DUSZOVÁ, A. - DUSZA, J.: Tribological Behaviour of Carbon Nanofiber-Zirconia Composite. Scripta Materialia, 63, 2010, p.254-257

  • TATARKO, P. - KAŠIAROVÁ, M. - DUSZA, J. - MORGIEL, J. - ŠAJGALÍK, P. - HVIZDOŠ, P.:  Wear Resistance of Hot-Pressed  Si3N4/SiC Micro/Nanocomposites Sintered with Rare-Earth Oxide Additives. Wear, 269, 2010, p.867-874

  • KOVAĽ, V. - BHARADWAJA, S. - TROLIER-MCKINSTRY, S.: Lead Zirconate Titanate Films Prepared by Liquid Source Misted Chemical Deposition. Kovové materiály, 48, 2010, p.361-365
    Other CC publications

IMR SAS - Watsonova 47 - 040 01 Košice - Slovakia | Tel.: +421-55-7922 402 | Fax: +421-55-7922 408 | E-mail: imrsas@imr.saske.sk