Institute of Physics of Materials AS CR, v. v. i. > People > Šulák Ivo

Ing. Ivo Šulák, Ph.D.

Room117
Phone number+420 532 290 343
E-mail[javascript protected email address]
Researcher IDV-3290-2017
ORCID0000-0003-3748-4515
Positionhead - Structural Integrity of Cyclically Loaded Materials

Scientific interest
  • High-temperature degradation mechanisms
  • Advanced metallic materials
  • Metal matrix composites
  • Prediction models
  • Machine learning

Education
  • 2013-2019: Doctoral degree - Brno University of Technology, Faculty of Mechanical Engineering, Physical and Materials Engineering
  • 2011-2013: Master’s degree - Brno University of Technology, Faculty of Mechanical Engineering, Materials Engineering
  • 2008-2011: Bachelor’s degree - Brno University of Technology, Faculty of Mechanical Engineering, Materials Engineering
Work experiences
  • From 01/2025: Head of research group - Structural integrity of cyclically loaded materials, Institute of Physics of Materials, CAS
  • 06/2022-12/2024: Researcher - Low Cycle Fatigue Group, Institute of Physics of Materials, CAS
  • 12/2019-05/2022: Postdoc - Low Cycle Fatigue Group, Institute of Physics of Materials, CAS
  • 09/2013-11/2019: Ph.D. Student - Low Cycle Fatigue Group, Institute of Physics of Materials, CAS
International internships
  • 02/2021-05/2021: Postdoc internship - Karlsruhe Institute of Technology, Karlsruhe, Germany
  • 02/2018-08/2018: Ph.D. internship - University of Oxford, Oxford, UK
Awards
  • 2022: The Award of the CAS for young scientific employees for outstanding results of scientific work

2026

Guth S., Babinský T., Antusch S., Klein A., Kuntz D., Šulák I.: Comparison of electron-beam-melted and conventionally rolled Inconel 718 under thermomechanical creep-fatigue loading. Int. J. Fatigue 202 (2026) 109238


2025

Polák J., Šulák I.: Effective and internal stresses in cyclically strained materials. Results in Engineering 25 (2025) 103895

Šiška F., Babinský T., Šulák I., Gálíková M., Kuběna I.: Numerical analysis of plastic behavior anisotropy of additively manufactured IN939 superalloy subjected to cyclic loading at high temperatures. Model. Simul. Mater. Sci. Eng. 33 (2025) 055022

Bartošák M., Jambor M., Halamka J., Pelikán L., Stránský O., Galčíková E., Slaný M., Horváth J., Petrášek Š., Šulák I.: Low-cycle fatigue of laser powder bed fusion-processed AlSi10Mg using recycled powder: Experiments and machine learning-assisted lifetime prediction. Mater. & Design 253 (2025) 113926

Šulák I., Obrtlík K.: Assessment of dwell-fatigue properties of nickel-based superalloy coated with a multi-layered thermal and environmental barrier coating. Int. J. Fatigue 191 (2025) 108693

Babinský T., Šulák I., Gálíková M., Kuběna I., Poloprudský J., Náhlík L.: Room-temperature low-cycle fatigue behaviour of cast and additively manufactured IN939 superalloy. Mater. Sci. Eng. A 924 (2025) 147730

Mára V., Šulák I., Pelikán L., Galčíková E., Slaný M., Chlup Z., Gálíková M., Beránek L., Bartošák M.: A comprehensive study of the influence of post-processing on the microstructure evolution and high-temperature performance of Haynes 230 superalloy manufactured by laser-powder bed fusion. Journal of Materials Research and Technology 39 (2025) 4758-4779

Bartošák M., Mára V., Slaný M., Šulák I.: Effect of phase angle on thermo-mechanical fatigue behaviour of boron-added 9% Cr martensitic steel. Eng. Fract. Mech. 330 (2025) 111650

Bae J., Tekoglu E., Alrizqi M., O Brien A., Liu J., Biggs K., Kim S., Penn A., Šulák I., Chen W., So K., Hart J., Sim G., Li J.: Additive manufacturing of strong and ductile In939+TiB2 by laser powder bed fusion. Mater. Sci. Eng. A 939 (2025) 148446

Bartošák M., Mára V., Vražina T., Španiel M., Šulák I.: Low-cycle fatigue behaviour of boron-added 9% Cr martensitic steel: Effects of temperature, strain rate, and strain amplitude. Int. J. Fatigue 200 (2025) 109110

Bartošák M., Mára V., Šulák I.: Effects of temperature and strain rate on isothermal low-cycle fatigue behaviour of Inconel 718 superalloy: Damage mechanisms, microstructure evolution, and life prediction. Int. J. Fatigue 198 (2025) 109005

Bartošák M., Mára V., Galčíková E., Slaný M., Španiel M., Poczklán L., Šulák I.: Isothermal low-cycle fatigue and fatigue-creep behaviour of boron-added 9% Cr martensitic stainless steel at 600°C. Int. J. Fatigue 193 (2025) 108800


2024

Šulák I., Obrtlík K.: Thermomechanical and isothermal fatigue properties of MAR-M247 superalloy. Theor. Appl. Fract. Mech. 131 (2024) 104443

Roth J., Šulák I., Kruml T., Polkowski W., Dudziak T., Böhlke T., Krupp U., Jahns K.: Establishing a process route for additive manufacturing of NiCu-based Alloy 400: an alignment of gas atomization, laser powder bed fusion, and design of experiments. Int. J. Adv. Manufact. Technol. 134 (2024) 3433-3452

Samy V., Brasche F., Šulák I., Verma B., Nowak B., Chlup Z., Záležák T., Schleifenbaum J., Krupp U., Haase C.: The influence of microstructural heterogeneities on high-temperature mechanical properties of additively manufactured y´-forming Ni-based alloys. Additive Manufacturing 88 (2024) 104267

Šulák I., Chlupová A., Záležák T., Kuběna I., Roth J., Jahns K., Krupp U., Kruml T.: High-temperature fatigue and creep performance of additively manufactured NiCu-based alloy. Procedia Struct. Integr. 52 (2024) 143-153

Lintel H., Šulák I., Jahns K., Krupp U.: Manufacturing and aging behavior of CuCr1Zr powder: Analysis and modelling of close-coupled gas atomization of CuCr1Zr and its impact on the melt beam disintegration and analysis powder oxidation kinetics. Powder Technology 448 (2024) 120356

Vražina T., Šulák I., Nowak B., Verma B., Krupp U., Kruml T.: Fatigue lifetime assessment and crack propagation of Ni-based VDM Alloy 699 XA produced by additive manufacturing. Procedia Struct. Integr. 52 (2024) 43-51

Kuběna I., Babinský T., Náhlík L., Šulák I.: Cyclic stress strain behaviour of additively manufactured gamma prime strengthened superalloy at elevated temperatures. Theor. Appl. Fract. Mech. 133 (2024) 104623

Fintová S., Kuběna I., Chlupová A., Šulák I., Chlup Z., Trško L., Polák J.: Very high frequency induced fatigue damage. Theor. Appl. Fract. Mech. 133 (2024) 104590

Kvapilová M., Šulák I., Kuběna I., Dvořák J., Král P., Sklenička V.: Creep behaviour of superalloy IN939 produced by L-PBF Method. Životnost komponent energetických zařízení 0 (2024) 61-66

Babinský T., Šulák I., Poczklán L., Guth S.: A comparison of conventional and additively manufactured 316L under thermomechanical fatigue. Int. J. Fatigue 187 (2024) 108477

Tkachenko S., Slámečka K., Bednaříková V., Remešová M., Gejdoš P., Ksenzova O., Valášek D., Dvořák K., Šulák I., Gálíková M., Baláž M., Deák A., Cihlář J., Čelko L.: A comparative study of the impact of La2O3 and La2Zr2O7 dispersions on molybdenum microstructure, mechanical properties, and fracture. J. Mater. Eng. and Performance 33 (2024) 14483-14494

Bartošák M., Horváth J., Gálíková M., Slaný M., Šulák I.: High-temperature low-cycle fatigue and fatigue-creep behaviour of Inconel 718 superalloy: Damage and deformation mechanisms. Int. J. Fatigue 186 (2024) 108369

Jambor M., Trško L., Šulák I., Šiška F., Bagherifard S., Guagliano M., Florková Z.: Application of shot peening to improve fatigue properties via enhancement of precipitation response in high-strength Al-Cu-Li alloys. Journal of Materials Research and Technology 33 (2024) 9595-9602

Roth J., Šulák I., Chlup Z., Fischer-Bühner J., Krupp U., Jahns K.: The dispersion-strengthening effect of TiN evoked by in situ nitridation of NiCu-based alloy 400 during gas atomization for laser powder bed fusion. Mater. Sci. Eng. A 893 (2024) 146129

Roth J., Šulák I., Gálíková M., Duval A., Boissonnet G., Pedraza F., Krupp U., Jahns K.: The dispersion-strengthening effect of TiN nanoparticles evoked by ex situ nitridation of gas-atomized, NiCu-based alloy 400 in fluidized bed reactor for laser powder bed fusion. J. Manufact. Mater. Process. 8 (2024) 223


Dudziak T., Rzad E., Polkowska A., Polczyk T., Rob P., Samy V., Šulák I., Nowak B., Krupp U.: Steam oxidation resistance in a long term exposure of the modified laser powder bed fusion 699XA alloy at high temperature. Advances in Materials for Power Plants 1 (2024) 171-182

Šulák I., Chlupová A., Poloprudský J., Svoboda J.: Cyclic plastic response of rotary swaged Fe-14Cr-10Al-4Y2O3 ODS alloy at 1000 -1200 °C. Mater. Character. 207 (2024) 113519

Pedraza F., Duval A., Šulák I., Nowak B., Kepa T., Boissonnet G., Bonnet G.: Oxidation of additive manufactured 699XA Ni-based alloy under different atmospheres. Corros. Sci. 237 (2024) 112333

Bartošák M., Šulák I., Horváth J., Jambor M., Pilsová L.: Isothermal low-cycle fatigue and fatigue creep behaviour of 2618 aluminium alloy. Int. J. Fatigue 179 (2024) 108027

Šiška F., Fintová S., Chlup Z., Kuběna I., Jambor M., Šulák I., Chlupová A.: Numerical analysis of plastic deformation mechanisms in polycrystaline copper under cyclic loading with different frequencies. Int. J. Fatigue 188 (2024) 108524

Samy V., Brasche F., Yan F., Šulák I., Bezci B., Nowak B., Berglund I., Krupp U., Haase C.: Understanding the high-temperature deformation behavior of additively manufactured y´-forming Ni-based alloys by microstructure heterogeneities-integrated creep modelling. Additive Manufacturing 88 (2024) 104256


2023

Milovanović A., Golubović Z., Kirin S., Babinský T., Šulák I., Milošević M., Sedmak A.: Manufacturing parameter influence on FDM polypropylene tensile properties. Journal of Mechanical Science and Technology 37 (2023) 1-7

Chlupová A., Hloch S., Nag A., Šulák I., Kruml T.: Effect of pulsating water jet processing on erosion grooves and microstructure in the subsurface layer of 25CrMo4 (EA4T) steel. Wear 524-525 (2023) 204774

Poloprudský J., Chlupová A., Šulák I., Obrtlík K.: Effect of heat treatment on the microstructure and fatigue behaviour of AISI 4130 steel. Kovové materiály 61 (2023) 401-407

Chlupová A., Šulák I., Kuběna I., Kruml T., Roth J., Jahns K.: Comparison of microstructure and properties of nickel-copper alloy prepared by casting and laser powder bed fusion process. Mater. Sci. Forum 1082 (2023) 171-176

Babinský T., Šulák I., Kuběna I., Man J., Weiser A., Švábenská E., Englert L., Guth S.: Thermomechanical fatigue of additively manufactured 316L stainless steel. Mater. Sci. Eng. A 869 (2023) 144831

Šulák I., Hrbáček K., Obrtlík K.: High temperature fatigue properties of boron-doped superalloy B1914. Procedia Struct. Integr. 43 (2023) 209-214

Šulák I., Obrtlík K.: The effect of dwell on thermomechanical fatigue behaviour of Ni-base superalloy Inconel 713LC. Int. J. Fatigue 166 (2023) 107238

Šulák I., Chlupová A., Obrtlík K.: High-temperature low cycle fatigue of nickel-based superalloy IN738LC. Defect Diffus. Forum 422 (2023) 27-32

Guth S., Babinský T., Antusch S., Klein A., Antusch S., Šulák I.: Creep-Fatigue Interaction of Inconel 718 Manufactured by Electron Beam Melting. Adv. Eng. Mater. - (2023) 20230029

Man J., Blinn B., Šulák I., Kuběna I., Smaga M., Chlup Z., Kruml T., Beck T., Polák J.: Formation of deformation induced martensite in fatigued 316L steels manufactured by selective laser melting (SLM). Procedia Struct. Integr. 43 (2023) 203-208


2022

Šulák I., Hrbáček K., Obrtlík K.: The Effect of Temperature and Phase Shift on the Thermomechanical Fatigue of Nickel-Based Superalloy. Metals 993 (2022) 12060993

Šulák I., Obrtlík K., Babinský T., Guth S.: The low cycle fatigue behaviour of MAR-M247 superalloy under different strain rates and cycle shapes at 750 °C. Int. J. Fatigue 164 (2022) 107133

Guth S., Babinský T., Lang K., Hrbáček K., Šulák I.: Influence of strain-rate and cycle form on the low cycle fatigue behaviour of nickel-base superalloy MAR-M247 at high temperature. Ninth International Conference on Low Cycle Fatigue 1 (2022) 3-8

Šulák I., Babinský T., Chlupová A., Milovanović A., Náhlík L.: Effect of building direction and heat treatment on mechanical properties of Inconel 939 prepared by additive manufacturing. Journal of Mechanical Science and Technology 36 (2022) 1-6

Vražina T., Šulák I., Poloprudský J., Zábranský K., Gejdoš P., Hadraba H., Čelko L.: Influence of the deposition parameters on microstructure and properties of HVOFsprayed WC-CRC-Ni coating. METAL 2022 Conf. Proc. - (2022) 487-492

Marrow T., Šulák I., Shiuan-Li B., Vukšić M., Williamson M., Armstrong D.: High temperature spherical nano-indentation of graphite crystals. Carbon 191 (2022) 236-242

Chlupová A., Šulák I., Babinský T., Polák J.: Intergranular fatigue crack initiation in polycrystalline copper. Mater. Sci. Eng. A 848 (2022) 143357

Šulák I., Obrtlík K., Čelko L.: Influence of new thermal and environmental barrier coating on the thermomechanical fatigue behaviour of nickel-based superalloy MAR-M247. Ninth International Conference on Low Cycle Fatigue 1 (2022) 139-144

Man J., Šulák I., Chlupová A., Kuběna I., Douša L., Polák J.: Cyclic plasticity and LCF behavior of AISI 316L austenitic stainless steel manufactured by selective laser melting (SLM). Ninth International Conference on Low Cycle Fatigue 1 (2022) 241-246


2021

Pirzada T., Liu D., Ell J., Barnard H., Šulák I., Galano M., Marrow T., Ritchie R.: In situ observation of the deformation and fracture of an alumina-alumina ceramic-matrix composite at elevated temperature using x-ray computed tomography. J. Eur. Ceram. Soc. 41 (2021) 4217-4230

Fintová S., Kuběna I., Chlupová A., Jambor M., Šulák I., Chlup Z., Polák J.: Frequency-dependent fatigue damage in polycrystalline copper analyzed by FIB tomography. Acta Mater. 211 (2021) 116859

Chlupová A., Šulák I., Kunčická L., Kocich R., Svoboda J.: Microstructural aspects of new grade ODS alloy consolidated by rotary swaging. Mater. Character. 181 (2021) 111477

Bertolla L., Šulák I., Buršík J., Dlouhý I., Smilek J., Mácová P., Holas J.: Exfoliation of hexagonal boron nitride nanosheets in low-modulus concentrated alkali silicate pastes. Mater. Lett. 292 (2021) 129551

Babinský T., Kuběna I., Šulák I., Kruml T., Tobiáš J., Polák J.: Surface relief evolution and fatigue crack initiation in René 41 superalloy cycled at room temperature. Mater. Sci. Eng. A 819 (2021) 141520

Poloprudský J., Chlupová A., Šulák I., Kruml T., Hloch S.: Surface and Subsurface Analysis of Stainless Steel and Titanium Alloys Exposed to Ultrasonic Pulsating Water Jet. Materials 14 (2021) 5212


2020

Šulák I., Obrtlík K., Hutařová S., Juliš M., Podrábský T., Čelko L.: Low cycle fatigue and dwell-fatigue of diffusion coated superalloy Inconel 713LC at 800°C. Mater. Character. 169 (2020) 110599

Chlupová A., Šulák I., Svoboda J.: High Temperature Cyclic Plastic Response of New-Generation ODS Alloy. Metals 10 (2020) 804

Petráš R., Šulák I., Polák J.: The effect of dwell on thermomechanical fatigue in superaustenitic steel Sanicro 25. Fatigue Fract. Eng. Mater. Struct. 2020 (2020) 1-16

Šulák I., Obrtlík K.: AFM, SEM AND TEM study of damage mechanisms in cyclically strained mar-M247 at room temperature and high temperatures. Theor. Appl. Fract. Mech. 108 (2020) 102606


2019

Šulák I., Man J., Obrtlík K.: Mechanisms of fatigue crack initiation and early propagation in cyclically strained nickel superalloy. Procedia Struct. Integr. 23 (2019) 161-166

Šulák I., Obrtlík K., Hrbáček K.: Effect of casting conditions and heat treatment on high temperature low cycle fatigue performance of nickel superalloy Inconel 713LC. METAL 2019 Conf. Proc. (2019) 1351-1356


2018

Šulák I., Obrtlík K., Čelko L., Jech D., Gejdoš P.: High-Temperature Low Cycle Fatigue Resistance of Inconel 713LC Coated with Novel Thermal Barrier Coating. Proceedings of the 17th International Conference on New Trends in Fatigue and Fracture 1 (2018) 49-56

Šulák I., Obrtlík K., Čelko L., Gejdoš P., Jech D.: High-Temperature Low-Cycle Fatigue Behaviour of MAR-M247 Coated with Newly Developed Thermal and Environmental Barrier Coating. Adv. Mater. Sci. Eng. 2018 (2018) 9014975

Šulák I., Obrtlík K., Čelko L., Chráska T., Jech D., Gejdoš P.: Low cycle fatigue performance of Ni-based superalloy coated with complex thermal barrier coating. Mater. Character. 139 (2018) 347-354


2017

Čelko L., Jech D., Komarov P., Remešová M., Dvořák K., Šulák I., Smetana B., Obrtlík K.: Failure Mechanism of Yttria Stabilized Zirconia Atmospheric Plasma Sprayed Thermal Barrier Coatings Subjected to Calcia-Magnesia-Alumino-Silicate Environmental Attack. Solid State Phenom. 270 (2017) 39-44

Šulák I., Obrtlík K.: Fatigue Crack Initiation in Nickel-Based Superalloy MAR-M247 at High Temperature. Key Eng. Mater. 754 (2017) 27-30

Šulák I., Obrtlík K., Čelko L., Gejdoš P.: Degradation of YSZ/EUCOR TBC Coating System during High Temperature Low Cycle Fatigue Tests. Solid State Phenom. 258 (2017) 420-423

Šulák I., Obrtlík K.: Effect of tensile dwell on high-temperature low-cycle fatigue and fracture behaviour of cast superalloy MAR-M247. Eng. Fract. Mech. 185 (2017) 92-100

Obrtlík K., Čelko L., Chráska T., Šulák I., Gejdoš P.: Effect of alumina-silica-zirconia eutectic ceramic thermal barrier coating on the low cycle fatigue behaviour of cast polycrystalline nickel-based superalloy at 900 C. Surf. Coat. Technol. 318 (2017) 374-381

Čelko L., Jech D., Dvořák J., Šulák I., Klakurková L., Obrtlík K.: Durability of Amorphous and Crystalline BMAS Thermal Barrier Coatings Produced by Plasma Spraying. Solid State Phenom. 258 (2017) 383-386

Šulák I., Obrtlík K., Hrbáček K.: Low cycle fatigue behaviour and fatigue crack initiation in MAR-M247 at 700 °c. METAL 2017 Conf. Proc - (2017) 1580-1586


2016

Šulák I., Obrtlík K., Čelko L.: High Temperature Low Cycle Fatigue Characteristics of Grit Blasted Polycrystalline Ni-Base Superalloy. Key Eng. Mater. 665 (2016) 73-76

Šulák I., Obrtlík K., Čelko L.: High-temperature low-cycle fatigue behaviour of HIP treated and untreated superalloy MAR-M247. Kovové materiály 54 (2016) 471-481

Šulák I., Obrtlík K., Čelko L.: Comparative Study of Microstructure and High Temperature Low Cycle Fatigue Behaviour of Nickel Base Superalloys Inconel 713LC and MAR-M247. Key Eng. Mater. 713 (2016) 86-89


2015

Škorík V., Šulák I., Obrtlík K., Hrbáček K.: Thermo-mechanical and isothermal fatigue behavior of austenitic stainless steel AISI 316L. METAL 2015 Conf. Proc - (2015) 851-856

Šulák I., Obrtlík K., Čelko L., Gejdoš P.: Effect of grit blasting surface treatment on high temperature low cycle fatigue life of Inconel 713LC. Multi-scale Design of Advanced Materials, Conf. Proc. - (2015) 139-144


2014

Šulák I., Obrtlík K., Škorík V., Hrbáček K.: Effect of HIP on low cycle fatigue of MAR-M247 at 900°C. METAL 2014 Conf. Proc - (2014) 1381-1386

Obrtlík K., Hutařová S., Čelko L., Juliš M., Podrábský T., Šulák I.: Effect of thermal barrier coating on low cycle fatigue behavior of cast Inconel 713LC at 900 °C. Adv. Mater. Res. 891-892 (2014) 848-853


Number of ProjectName
25-16307S Thermo-Mechanical Fatigue Damage and Deformation Mechanisms of Metal Matrix Composites: Experimental and Numerical Approach
Lumina quaeruntur Transition metal borides nanodispersion strengthening as a new avenue for cutting-edge additively manufactured superalloys for advanced power stations