Institute of Physics of Materials AS CR, v. v. i. > People > Heczko Milan

Mgr. Milan Heczko, Ph.D.

Room116a
Phone number+420 532 290 341
E-mail[javascript protected email address]
Researcher IDA-9917-2017
ORCID0000-0002-8049-4527
Positionresearcher - Advanced High-temperature Materials Group

Scientific interest
  • Study of microstructural mechanisms which determine mechanical properties and macroscopic behavior of structural materials
  • Multi-scale characterization of the microstructure and strengthening and plastic deformation mechanisms using methods of electron microscopy
  • Design and optimization of multi-principal element alloys for high-temperature applications

Education
  • 2013-2018: Doctoral degree - Brno University of Technology, Faculty of Mechanical Engineering, Physical and Materials Engineering
  • 2011-2013: Master’s degree - Masaryk University, Faculty of Science, Condensed Matter Physics
  • 2008-2011: Bachelor’s degree - Masaryk University, Faculty of Science, Physics
Work experiences
  • From 01/2025: Researcher - Structural Integrity of Cyclically Loaded Materials, Institute of Physics of Materials, CAS
  • 11/2023-12/2024: Researcher - Low Cycle Fatigue Group, Institute of Physics of Materials, CAS
  • 11/2019-10/2023: Postdoc - Prof. Michael J. Mills Research Group, The Ohio State University, Columbus, Ohio, USA
  • 01/2019-10/2019: Postdoc - Low Cycle Fatigue Group, Institute of Physics of Materials, CAS
  • 09/2013-12/2018: Ph.D. Student - Low Cycle Fatigue Group, Institute of Physics of Materials, CAS
  • 08/2011-08/2013: Research Assistant - Low Cycle Fatigue Group, Institute of Physics of Materials, CAS
  • 08/2011-08/2012: Research Assistant - Department of Condensed Matter Physics (SCI MU), Masaryk University
International internships
  • 08/2016-06/2017: The James William Fulbright Fellowship - The Ohio State University, Columbus, Ohio, USA
  • 09/2015-12/2015: Visiting Researcher - Paul Scherrer Institute, Villigen, Švýcarsko
Projects
  • 01/2024-12/2028: Principal Investigator - Design and optimization of 3D printable oxide-dispersion-strengthened multi-principal element alloys for extreme environments (Junior Star project GACR 24-11058M)
  • 11/2023-06/2028: Junior Research Programme Leader - Mechanical engineering of biological and bio-inspired systems (OP JAK – MEBioSys - Z.02.01.01/00/22_008/0004634)
Awards
  • 01/2019-10/2019: Czech Academy of Sciences Perspective Junior Researchers Support Fellowship
  • 08/2018-08/2020: The Thermo Fisher Scientific & Czechoslovak Microscopy Society Fellowship   
  • 08/2016-06/2017: The J. William Fulbright Scholarship for Graduate Study & Research


2024

Rosenkranz L., Lan ., Heczko M., Egan A., Mills M., Feuerbacher M., Glatzel U.: Microstructure evolution and twinning-induced plasticity (TWIP) in hcp rare-earth high- and medium-entropy alloys (HEAs and MEAs) due to tensile deformation. J. Appl. Phys. 136 (2024) 025101

Slone C., Mazánová V., Kumar P., Cook D., Heczko M., Yu Q., Crossman B., George E., Mills M., Ritchie R.: Partially recrystallized microstructures expand the strength-toughness envelope of CrCoNi medium-entropy alloy. Communications Materials 5 (2024) 263




2023

Kloenne Z., Couzinié J., Heczko M., Gröger R., Viswanathan G., Clark W., Fraser H.: On the bcc/B2 interface structure in a refractory high entropy alloy. Scr. Mater. 223 (2023) 115071



2022

Mazánová V., Heczko M., Polák J.: On the mechanism of fatigue crack initiation in high-angle grain boundaries. Int. J. Fatigue 158 (2022) 106721



2021

Vinogradov A., Kruml T., Heczko M., Mazánová V., Linderov M.: Kinetics of cyclically-induced mechanical twinning in gamma-TiAl unveiled by a combination of acoustic emission, neutron diffraction and electron microscopy. Acta Mater. 212 (2021) 116921

Heczko M., Mazánová V., Gröger R., Záležák T., Hooshmand M., George E., Mills M., Dlouhý A.: Elemental segregation to lattice defects in the CrMnFeCoNi high-entropy alloy during high temperature exposures. Acta Mater. 208 (2021) 116719

Heczko M., George E., Mazánová V., Ghazisaeidi M., Slone C., Polák J., Shih M., Mills M.: Role of deformation twinning in fatigue of CrCoNi medium-entropy alloy at room temperature. Scr. Mater. 202 (2021) 113985



2020

Chlupová A., Poczklán L., Man J., Mazánová V., Heczko M., Kruml T.: Character of Fatigue Damage under Axial, Torsional and Biaxial Loading of 316L Stainless Steel. Defect Diffus. Forum 405 (2020) 264-270

Mazánová V., Heczko M., Slone C., Kuběna I., Tobiáš J., George E., Kruml T., Polák J., Mills M.: SEM & STEM Multi-scale Characterization of Fatigue Damage in CrCoNi Medium-entropy Alloy with Fully Recrystallized Microstructure. Microscopy and Microanalysis 26 (Supp (2020) 2224

Chlupová A., Heczko M., Obrtlík K., Dlouhý A., Kruml T.: Effect of heat-treatment on the microstructure and fatigue properties of lamellar gama-TiAl alloyed with Nb, Mo and/or C. Mater. Sci. Eng. A 786 (2020) 139427

Que Z., Heczko M., Kuběna I., Seifert H., Spätig P.: Microstructural characterization of the synergic effects of dynamic strain ageing and hydrogen on fracture behaviour of low-alloy RPV steels in hightemperature water environments. Mater. Character. 165 (2020) 110405



2019

Husák R., Hadraba H., Chlup Z., Heczko M., Kruml T., Puchý V.: ODS EUROFER Steel Strengthened by Y-(Ce, Hf, La, Sc, and Zr) Complex Oxides. Metals 9 (2019) 1148

Heczko M., Esser B., Gröger R., Feng L., Mazánová V., Wang Y., Mills M.: Structure, Morphology and Coarsening Behavior of MX (NbC) Nanoprecipitates in Fe-Ni-Cr Based Alloys. Microscopy and Microanalysis 25 (2019) 2612-2613

Mazánová V., Heczko M., Škorík V., Chlupová A., Polák J., Kruml T.: Microstructure and martensitic transformation in 316L austenitic steel during multiaxial low cycle fatigue at room temperature. Mater. Sci. Eng. A 767 (2019) 138407



2018

Wärner H., Calmunger M., Chai G., Polák J., Petráš R., Heczko M., Kruml T., Johansson S., Moverare J.: Fracture and Damage Behavior in an Advanced Heat Resistant Austenitic Stainless Steel During LCF, TMF and CF. Procedia Struct. Integr. 13 (2018) 843-848

Spätig P., Heczko M., Kruml T., Seifert H.: Influence of mean stress and light water reactor environment on fatigue life and dislocation microstructures of 316L austenitic steel. J. Nucl. Mater. 509 (2018) 15-28

Polák J., Mazánová V., Petráš R., Heczko M.: Early damage and fatigue crack initiation at ambient and elevated temperatures in heat resistant austenitic steel. MATEC Web Conf. 165 (2018) 04008

Heczko M., Esser B., Smith T., Beran P., Mazánová V., McComb D., Kruml T., Polák J., Mills M.: Atomic resolution characterization of strengthening nanoparticles in a new high-temperature-capable 43Fe-25Ni-22.5Cr austenitic stainless steel. Mater. Sci. Eng. A 719 (2018) 49-60

Mazánová V., Heczko M., Polák J.: Fatigue crack initiation and growth in 43Fe-25Ni-22.5Cr austenitic steel at a temperature of 700°C. Int. J. Fatigue 114 (2018) 11-21



2017

Polák J., Mazánová V., Heczko M., Kuběna I., Man J.: Profiles of persistent slip markings and internal structure of underlying persistent slip bands. Fatigue Fract. Eng. Mater. Struct. 40 (2017) 1101-1116

Mazánová V., Heczko M., Kuběna I., Polák J.: Surface Relief Formation in Relation to the Underlying Dislocation Arrangement. Solid State Phenom. 258 (2017) 526-529

Heczko M., Esser B., Smith T., Beran P., Mazánová V., Kruml T., Polák J., Mills M.: On the origin of extraordinary cyclic strengthening of the austenitic stainless steel Sanicro 25 during fatigue at 700 C. J. Mater. Res. 32 (2017) 4342-4353

Chlupová A., Heczko M., Obrtlík K., Beran P., Kruml T.: Effect of Alloying and Thermal Processing on Mechanical Properties of TiAl Alloys. Solid State Phenom. 258 (2017) 501-505

Heczko M., Polák J., Kruml T.: Microstructure and dislocation arrangements in Sanicro 25 steel fatigued at ambient and elevated temperatures. Mater. Sci. Eng. A 680 (2017) 168-181

Polák J., Mazánová V., Heczko M., Petráš R., Kuběna I., Casalena L., Man J.: The role of extrusions and intrusions in fatigue crack initiation. Eng. Fract. Mech. 185 (2017) 46-60

Heczko M., Spätig P., Seifert H., Kruml T.: Correlation between Dislocation Structures and Mechanical Fatigue Response of 316L Austenitic Steel Loaded with and without Mean Stress at High Temperature in Air and Water Environment. Solid State Phenom. 258 (2017) 534-537



2016

Chlupová A., Heczko M., Obrtlík K., Polák J., Roupcová P., Beran P., Kruml T.: Mechanical properties of high niobium TiAl alloys doped with Mo and C. Mater. & Design 99 (2016) 284-292

Polák J., Petráš R., Heczko M., Kruml T., Chai G.: Evolution of the cyclic plastic response of Sanicro 25 steel cycled at ambient and elevated temperatures. Int. J. Fatigue 83 (2016) 75-83

Polák J., Mazánová V., Kuběna I., Heczko M., Man J.: Surface Relief and Internal Structure in Fatigued Stainless Sanicro 25 Steel. Metall. Mater. Trans. A 47A (2016) 1907-1911

Beran P., Heczko M., Kruml T., Panzner T., Petegem S.: Complex investigation of deformation twinning in gama-TiAl byTEM and neutron diffraction. J. Mech. Phys. Solids 95 (2016) 647-662



2014

Beran P., Petrenec M., Heczko M., Smetana B., Žaludová M., Šmíd M., Kruml T., Keller L.: In-situ neutron diffraction study of thermal phase stability in a gamma-TiAl based alloy doped with Mo and/or C. Intermetallics 54 (2014) 28-38

Polák J., Petráš R., Heczko M., Kruml T., Chai G.: Analysis of Cyclic Plastic Response of Heat Resistant Sanicro 25 Steel at Ambient and Elevated Temperatures. Procedia Eng. 74 (2014) 68-73

Polák J., Petráš R., Heczko M., Kuběna I., Kruml T., Chai G.: Low cycle fatigue behavior of Sanicro 25 steel at room and at elevated temperature. Mater. Sci. Eng. A 615 (2014) 175-182

Petrenec M., Vraspírová E., Němec K., Heczko M.: Effect of cyclic heat treatment on cast structure of TiAl alloy. Key Eng. Mater. 586 (2014) 222-225

Chlupová A., Obrtlík K., Beran P., Heczko M., Polák J., Kruml T.: Monotonic and cyclic properties of TiAl alloys doped with Nb, Mo and C. Procedia Eng. 74 (2014) 405-408


Number of ProjectName
24-11058M Design and optimization of 3D printable oxide-dispersion-strengthened multi-principal element alloys for extreme environments