Institute of Physics of Materials AS CR, v. v. i. > People > Pokorný Pavel

Ing. Pavel Pokorný, Ph.D.

Room108
Phone number+420 532 290 362
E-mail[javascript protected email address]
Researcher IDK-4764-2012
Positionresearcher - High Cycle Fatigue Group

Personal information
  • 2003-2007 Secondary education
    Technical School of Mechanical Engineering in Olomouc
  • 2007-2010 Bachelor Studies
    Brno University of Technology, Faculty of Mechanical Engineering, Mechanical engineering
  • 2010-2012 Master Studies
    Brno University of Technology, Faculty of Mechanical Engineering, Institute of Solid Mechanics, Mechatronics and Biomechanics
  • 2012-2016 Postgraduate Studies
    Brno University of Technology, Faculty of Mechanical Engineering, Institute of Solid Mechanics, Mechatronics and Biomechanics
  • 02/2014-03/2014 1 month internship
    Politecnico di Milano – Italy, fatigue experiments of railway axles, evaluation of mechanical properties after shot-peening procedure
  • 08/2017-08/2017 1 month internship
    University of Hertfordshire – Great Britain, creation of empirical model for evaluation of threshold values from middle crack growth rates data of fatigue cracks

  • Scientific interest
    Fatigue of materials and lifetime estimation of railway axles.


    2020

    Šebestová H., Horník P., Mrňa L., Jambor M., Horník V., Pokorný P., Hutař P., Ambrož O., Doležal P.: Fatigue properties of laser and hybrid laser-TIG welds of thermo-mechanically rolled steels. Mater. Sci. Eng. A 772 (2020) 138780

    Seitl S., Pokorný P., Miarka P., Klusák J., Kala Z., Kunz L.: Comparison of fatigue crack propagation behaviour in two steel grades S235, S355 and a steel from old crane way. MATEC Web Conf. 310 (2020) 34

    Fintová S., Pokorný P., Fajkoš R., Hutař P.: EA4T railway axle steel fatigue behavior under very high-frequency fatigue loading. Eng. Fail. Anal. 115 (2020) 104668

    Pokorný P., Dlhý P., Poduška J., Fajkoš R., Vojtek T., Náhlík L., Grasso M., Hutař P.: Influence of heat treatment-induced residual stress on residual fatigue life of railway axles. Theor. Appl. Fract. Mech. 109 (2020) 102732

    Vojtek T., Pokorný P., Oplt T., Jambor M., Náhlík L., Herrero D., Hutař P.: Classically determined effective deltaK fails to quantify crack growth rates. Theor. Appl. Fract. Mech. 108 (2020) 102608



    2019

    Seitl S., Miarka P., Pokorný P., Klusák J.: Influence of corrosion on fatigue behaviour of old crane runway steel. The Journal of Strain Analysis for Engineering Design 54 (2019) 416-423

    Dlhý P., Poduška J., Pokorný P., Náhlík L., Fajkoš R., Hutař P.: Methodology for estimation of residual stresses in hardened railway axle. Procedia Struct. Integr. 23 (2019) 185-190

    Seitl S., Miarka P., Pokorný P., Fintová S., Kunz L.: COMPARISON OF MECHANICAL PROPERTIES OF OLD STEEL FROM TRUSS CRANE RUNWAY WITH S235 AND S355 GRADES. Trans. VSB TU Ostrava Ser. 19 (2019) 56-60

    Oplt T., Hutař P., Pokorný P., Náhlík L., Berto F.: Numerical evaluation of plasticity induced crack closure in 3D structures. Procedia Struct. Integr. 23 (2019) 101-106

    Vojtek T., Pokorný P., Kuběna I., Náhlík L., Fajkoš R., Hutař P.: Quantitative dependence of oxide-induced crack closure on air humidity for railway axle steel. Int. J. Fatigue 123 (2019) 213-224

    Vojtek T., Pokorný P., Náhlík L., Herrero D., Hutař P.: Crack Closure in the Near-threshold Region in Metallic Materials. Procedia Struct. Integr. 23 (2019) 481-486

    Oplt T., Šebík M., Berto F., Náhlík L., Pokorný P., Hutař P.: Strategy of plasticity induced crack closure numerical evaluation. Theor. Appl. Fract. Mech. 102 (2019) 59-69

    Oplt T., Hutař P., Pokorný P., Náhlík L., Chlup Z., Berto F.: Effect of the free surface on the fatigue crack front curvature at high stress asymmetry. Int. J. Fatigue 118 (2019) 249-261



    2018

    Seitl S., Miarka P., Pokorný P., Fintová S., Klusák J.: Influence of Micro-Structure on the Fatigue Crack Propagation in Bridge Steel. Proceedings 2 (2018) 1-6



    2017

    Pokorný P., Vojtek T., Náhlík L., Hutař P.: Crack closure in near-threshold fatigue crack propagation in railway axle steel EA4T. Eng. Fract. Mech. 185 (2017) 2-19

    Náhlík L., Pokorný P., Ševčík M., Fajkoš R., Matušek P., Hutař P.: Fatigue lifetime estimation of railway axles. Eng. Fail. Anal. 73 (2017) 139-157

    Hutař P., Pokorný P., Poduška J., Fajkoš R., Náhlík L.: Effect of residual stresses on the fatigue lifetime of railway axle. Procedia Struct. Integr. 4 (2017) 42-47

    Pokorný P., Hutař P., Náhlík L.: Influence of Extension of Load Spectrum on Estimation of Residual Fatigue Lifetime of Railway Axle. Solid State Phenom. 258 (2017) 607-610

    Konečná R., Kunz L., Pokorný P., Nicoletto G.: Fatigue Crack Growth and Threshold Behavior of DMLS Ti6Al4V. Solid State Phenom. 267 (2017) 157-161



    2016

    Pokorný P., Náhlík L., Hutař P.: Influence of variable stress ratio during train operation on residual fatigue lifetime of railway axles. Procedia Struct. Integr. 2 (2016) 3585-3592

    Štegnerová K., Náhlík L., Hutař P., Pokorný P., Majer Z.: Influence of Residual Stresses and Particle Properties on Mechanical Response of The Material in Particulate Ceramic Composites. Key Eng. Mater. 713 (2016) 212-215

    Pokorný P., Hutař P., Náhlík L.: Residual fatigue lifetime estimation of railway axles for various loading spectra. Theor. Appl. Fract. Mech. 82 (2016) 25-32



    2015

    Pokorný P., Náhlík L., Hutař P.: Influence of Threshold Values on Residual Fatigue Lifetime of Railway Axles under Variable Amplitude Loading. Procedia Eng. 101 (2015) 380-385



    2014

    Pokorný P., Náhlík L., Ševčík M., Hutař P.: Effects of variable loading on residual fatigue life of the railway wheelset. Key Eng. Mater. 577-578 (2014) 121-124

    Náhlík L., Pokorný P., Hutař P.: Influence of crack retardation on fatigue crack propagation in steels for railway axles. Adv. Mater. Res. 891-892 (2014) 351-356

    Pokorný P., Náhlík L., Hutař P.: Comparison of different load spectra onresidual fatigue lifetime of railway axle. Procedia Eng. 74 (2014) 313-316

    Pokorný P., Náhlík L., Hutař P.: Influence of Different Crack Propagation Rate Descriptions on the Residual Fatigue Lifetime of Railway Axles. Key Eng. Mater. 627 (2014) 469-472

    Náhlík L., Pokorný P., Hutař P., Matušek P.: Fatigue crack propagation in steels for railway axles. Key Eng. Mater. 592-593 (2014) 254-257