RNDr. Jitka Stráská, Ph.D. (née Vrátná)
phone: (+420) 95155 1613 e-mail: jitka.straska@matfyz.cuni.cz room: F116 address: Ke Karlovu 5, Prague 2, 121 16 |
Professional career
- 2005 - 2008 Bachelors study: Faculty of Mathematics and Physics, Study program: Physics
- 2008 - 2010 Masters study: Faculty of Mathematics and Physics, Study program: Physics of Condensed Systems and Physics of Materials
- 2010 - 2014 Ph.D. study, Faculty of Mathematics and Physics, Study program: Physics of Condensed Matter and Materials Research, Dissertation thesis topic: Physical properties of ultrafine-grained magnesium-based alloys prepared by various severe plastic deformation techniques
- 2010 - 2012 Junior researcher in company Výzkumný ústav kovů, Panenské Břežany, Odolena Voda
- Since 2014 Assistant professor, Faculty of Mathematics and Physics
Stays abroad
- University POSTECH, Pohang, South Korea – 2 study visits, altogether 2 weeks
- Argonne National Laboratory, Chicago, USA – 1 study visit with 3-day measurement
- University Clemson, South Carolina, USA – 4 study visits, altogether 1 month
- University USATU, Ufa, Russian Federation – 2 study visits, altogether 2 weeks
- Technical University Clausthal-Zellerfeld, Germany– 8 study visits, altogether 3 month
- University of Žilina, Slovakia – 3 study visits, altogether 3 weeks
Scientific activities
Current scientific interests
- Complex study of ultrafine-grained magnesium materials – microstructure, mechanical properties, superplastic behaviour, microstructure stability
- Microstructure observation using scanning electron microscopy, including electron backscatter diffraction (EBSD)
- Collaboration with foreign research teams and universities (e.g. POSTECH University in South Korea)
- The offer of student projects, bachelor and master (diploma) thesis
Research grants
- 2012 - 2014 GAUK, topic: Experimental and theoretical investigation of magnesium alloys with high imposed deformation energy
- 2010 - 2012 GAUK, topic: Structure stability of ultrafine-grained Mg based alloys prepared by severe plastic deformation
Publications
J. Stráská, M. Janeček, J. Čížek, J. Stráský, B. Hadzima: Microstructure stability of ultra-fine grained magnesium alloy AZ31 processed by extrusion and equal-channel angular pressing (EX-ECAP), Materials Characterization 94 (2014) 69-79.
J. Čapek, K. Máthis, B. Clausen, J. Stráská, P. Beran, P. Lukáš: Study of the loading mode dependence of the twinning in random textured cast magnesium by acoustic emission and neutron diffraction methods, Materials Science & Engineering A 602 (2014) 25–32.
J. Šmilauerová, P. Harcuba, J. Stráský, J. Stráská, M. Janeček, J. Pospíšil, R. Kužel, T. Brunátová, V. Holý, J. Ilavský: Ordered array of ω-particles in β-Ti matrix studied by small-angle X-ray scattering, Acta Materialia 81 (2014) 71–82.
J. Vrátná, M. Janeček, J. Čížek, D.J. Lee, E.Y. Yoon, H.S. Kim: Mechanical properties and microstructure evolution in ultrafinegrained AZ31 alloy processed by severe plastic deformation, Journal of Materials Science (2013) 48:4705–4712.
J. Vrátná, B. Hadzima, M. Bukovina, M. Janeček: Room temperature corrosion properties of AZ31 magnesium alloy processed by extrusion and equal channel angular pressing, Journal of Materials Science (2013) 48:4510–4516.
E.Y. Yoon, D.J. Lee, T.S. Kim, H.J. Chae, P. Jenei, J. Gubicza, T. Ungár, M. Janeček, J. Vrátná, S. Lee: Microstructures and mechanical properties of Mg–Zn–Y alloy consolidated from gas-atomized powders using high-pressure torsion, Journal of Materials Science 47 (2012) 7117-7123.
M. Janeček, J. Čížek, J. Gubicza, J. Vrátná: Microstructure and dislocation density evolutions in MgAlZn alloy processed by severe plastic deformation, Journal of Materials Science 47 (2012) 7860-7869.
M. Janeček, S. Yi, R. Král, J. Vrátná, K. U. Kainer: Texture and microstructure evolution in ultrafine-grained AZ31 processed by EX-ECAP, Journal of Materials Science 45 (2010) 4665–4671.