RNDr. Ing. Michal Knapek, Ph.D.

Position

since 2022 Assistant Professor, Charles University, Faculty of Mathematics and Physics, Department of Physics of Materials
2013 - 2022 Reasearcher, Charles University, Faculty of Mathematics and Physics, Department of Physics of Materials

Scientific activities

• Acoustic emission in solids, advanced analysis of acoustic emission data
• Metal foams, “micropillars”, size effects
• Structure and deformation behavior of metallic materials, plastic instabilities
• Internal friction in solids
• Thermo-mechanical properties of traditional ceramic materials

International collaboration

Loránd Eötvös University, Budapest, Hungary - plasticity size effects at microscales
Paul Scherrer Institute, Villigen, Switzerland - the study of deformation mechanisms by the acoustic emission and neutron diffraction techniques
University of Caen Normandy, France - deformation behavior of cobalt and other hcp metals
École Polytechnique Fédérale de Lausanne, Switzerland - deformation behavior of microcellular metal foams

Stays abroad

2021 (4 months) – European Commission - Joint Research Centre, Petten, the Netherlands
2018 (3 months) – Paul Scherrer Institute, Villigen, Switzerland
2018 (2 months) – Loránd Eötvös University, Budapest, Hungary
2015-2016 (6 months) – Loránd Eötvös University, Budapest, Hungary
2014-2015 (4 weeks) – École Polytechnique Fédérale de Lausanne, Switzerland
2009 (6 months) – CEEPUS programme, Johannes Kepler University, Linz, Austria

Selected recent publications

M. Knapek, P. Minárik, A. Greš, M. Zemková, F. Lukáč, J. Bohlen, F. Chmelík, R. Král, Spark plasma sintered Mg-4Y-3Nd with exceptional tensile performance, Materials Science and Engineering A 849, pp. 143481, 2022. (IF: 6.044) https://doi.org/10.1016/j.msea.2022.143481

P.D. Ispánovity, D. Ugi, G. Péterffy, M. Knapek, Sz. Kalácska, D. Tüzes, Z. Dankházi, K. Máthis, F. Chmelík, I. Groma, Dislocation avalanches are like earthquakes on the micron scale, Nature Communications 13, pp. 1975, 2022. (IF: 17.694) https://doi.org/10.1038/s41467-022-29044-7

M. Knapek, M. Zemková, A. Greš, E. Jablonská, F. Lukáč, R. Král, J. Bohlen, P. Minárik, Corrosion and mechanical properties of a novel biomedical WN43 magnesium alloy prepared by spark plasma sintering, Journal of Magnesium and Alloys 9(3), pp. 853–865, 2021. (IF: 11.813) https://doi.org/10.1016/j.jma.2020.12.017

P. Dobroň, D. Drozdenko, K. Fekete, M. Knapek, J. Bohlen, F. Chmelík, The slip activity during the transition from elastic to plastic tensile deformation of the Mg-Al-Mn sheet, Journal of Magnesium and Alloys 9(3), pp. 1057–1067, 2021. (IF: 11.813) https://doi.org/10.1016/j.jma.2020.12.010

K. Máthis, M. Knapek, F. Šiška, P. Harcuba, D. Ugi, P.D. Ispánovity, I. Groma, K.S. Shin, On the dynamics of twinning in magnesium micropillars, Materials & Design 203, 109563, 2021. (IF: 9.417) https://doi.org/10.1016/j.matdes.2021.109563

M. Knapek, J. Pešička, P. Lukáč, P. Minárik, R. Král, Peculiar serrated flow during compression of an FeAlCrMo medium-entropy alloy, Scripta Materialia 161, pp. 49-53, 2019. (IF: 4.539) https://doi.org/10.1016/j.scriptamat.2018.10.013

M. Knapek, P. Minárik, J. Čapek, R. Král, J. Kubásek, F. Chmelík, Corrosion of pure magnesium and a WE43 magnesium alloy studied by advanced acoustic emission analysis, Corrosion Science 145, pp. 10-15, 2018. (IF: 6.355) https://doi.org/10.1016/j.corsci.2018.09.006

Complete list of publications