Institute of Physics of Materials AS CR, v. v. i. > People > Hadraba Hynek

Ing. Hynek Hadraba, Ph.D.

Room225
Phone number+420 532 290 369
E-mail[javascript protected email address]
Researcher IDG-1013-2014
Positionresearcher - Brittle Fracture Group


2021

Moník M., Hadraba H., Milde D., Chlup Z., Nerudová Z., Schnabl P.: Heat treatment and mechanics of Moravian Jurassic cherts. Archaeol Anthropol Sci 13 (2021) 158

Veverka J., Lukáč F., Kądzielawa A., Koller M., Chlup Z., Hadraba H., Karlík M., Legut D., Vontorová J., Chráska T., Vilémová M.: Ultrafine-grained W-Cr composite prepared by controlled W-Cr solid solution decomposition. Mater. Lett. 304 (2021) 130728

Moník M., Delgado-Raack S., Hadraba H., Jech D., Risch R.: Rock physics and the circulation of Neolithic axeheads in Central Europe and the western Mediterranean. Wear 474-475 (2021) 203708

Veverka J., Vilémová M., Chlup Z., Hadraba H., Lukáč F., Csáki Š., Matějíček J., Vontorová J., Chráska T.: Evolution of carbon and oxygen concentration in tungsten prepared by field assisted sintering and its effect on ductility. International Journal of Refractory Metals and Hard Materials 97 (2021) 105499

Drdlík D., Zeman D., Tofel P., Chlup Z., Hadraba H., Drdlíková K.: A comparative study of direct and indirect evaluation of piezoelectric properties of electrophoreticaly deposited (Ba, Ca) (Zr, Ti)O3 lead-free piezoceramics. Ceram. Int. 47 (2021) 2034-2042



2020

Šiška F., Čech J., Haušild P., Hadraba H., Chlup Z., Husák R., Stratil L.: Twinning in CoCrFeNiMn high entropy alloy induced by nanoindentation. Mater. Sci. Eng. A 784 (2020) 139297

Hadraba H., Chlup Z., Drdlík D., Šiška F.: Characterisation of mechanical and fracture behaviour of Al2O3/ZrO2/BaTiO3 laminate by indentation. J. Eur. Ceram. Soc. 40 (2020) 4799-4807

Drdlíková K., Drdlík D., Hadraba H., Klement R., Maca K.: Optical and mechanical properties of mn-doped transparent alumina and their comparison with selected rare earth and transient metal doped aluminas. J. Eur. Ceram. Soc. 40 (2020) 4894-4900

Chlup Z., Novotná L., Šiška F., Drdlík D., Hadraba H.: Effect of residual stresses to the crack path in alumina/zirconia laminates. J. Eur. Ceram. Soc. 40 (2020) 5810-5818

Drdlík D., Chlup Z., Hadraba H., Drdlíková K.: Surface roughness improvement of near net shaped alumina by EPD. Journal of the Australian Ceramic Society 56 (2020) 721-727

Matějíček J., Veverka J., Yin C., Vilémová M., Terentyev D., Wirtz M., Gago M., Dubinko A., Hadraba H.: Spark plasma sintered tungsten - mechanical properties, irradiation effects and thermal shock performance. J. Nucl. Mater. 542 (2020) 152518

Chlup Z., Černý M., Kácha P., Hadraba H., Strachota A.: Fracture resistance of partially pyrolysed polysiloxane preceramic polymer matrix composites reinforced by unidirectional basalt fibres. J. Eur. Ceram. Soc. 40 (2020) 4879-4885

Moravčík I., Hadraba H., Li L., Dlouhý I., Raabe D., Li Z.: Yield strength increase of a CoCrNi medium entropy alloy by interstitial nitrogen doping at maintained ductility. Scr. Mater. 178 (2020) 391-397

Vilémová M., Hadraba H., Weiss Z., Lukáč F., Csáki Š., Chlup Z., Matějíček J., Chráska T.: Phase, Composition and Structure Changes of CoCrNi-Based Concentrated Alloys Resulting from High Temperature Oxidation. Materials 13 (2020) 2276

Koller M., Vilémová M., Lukáč F., Beran P., Čížek J., Hadraba H., Matějíček J., Veverka J., Seiner H.: An ultrasonic study of relaxation processes in pure and mechanically alloyed tungsten. International Journal of Refractory Metals and Hard Materials 90 (2020) 105233



2019

Chlup Z., Drdlík D., Fides M., Kovalčíková A., Hadraba H.: Properties of BaTiO3/Al2O3 Laminate Structure by Nanoindentation. Procedia Struct. Integr. 23 (2019) 499-504

Tofel P., Machů Z., Chlup Z., Hadraba H., Drdlík D., Ševeček O., Majer Z., Holcman V., Hadaš Z.: Novel layered architecture based on Al2O3/ZrO2/BaTiO3 for SMART piezoceramic electromechanical converters. The European Physical Journal Special Topics 228 (2019) 1575-1588

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

Chlup Z., Fintová S., Hadraba H., Kuběna I., Vilémová M., Matějíček J.: Fatigue Behaviour and Crack Initiation in CoCrFeNiMn High-Entropy Alloy Processed by Powder Metallurgy. Metals 9 (2019) 1-12



2018

Dobeš F., Hadraba H., Chlup Z., Dlouhý A., Vilémová M., Matějíček J.: Compressive creep behavior of an oxide-dispersion-strengthened CoCrFeMnNi high-entropy alloy. Mater. Sci. Eng. A 732 (2018) 99-104

Drdlík D., Sláma M., Hadraba H., Drdlíková K., Cihlář J.: Physical, mechanical, and biological properties of electrophoretically deposited lithium-doped calcium phosphates. Ceram. Int. 44 (2018) 2884-2891

Svoboda J., Horník V., Stratil L., Hadraba H., Mašek B., Khalaj O., Jirková H.: Microstructure Evolution in ODS Alloys with a High-Volume Fraction of Nano Oxides. Metals 8 (2018) 1079

Chlup Z., Bača L., Hadraba H., Kuběna I., Roupcová P., Kováčová Z.: Low-temperature consolidation of high-strength TiB2 ceramic composites via grain-boundary engineering using Ni-W alloy. Mater. Sci. Eng. A 738 (2018) 194-202

Stratil L., Šiška F., Hadraba H., Dlouhý I.: The size effect on J-R curve for construction steels and its prediction by simplified mechanical model. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP 6B (2018) 141606

Hojna A., Hadraba H., Di Gabrielle F., Husák R.: Behaviour of pre-stressed T91 and ODS steels exposed to liquid lead-bismuth eutectic. Corros. Sci. 131 (2018) 264-277

Šiška F., Stratil L., Hadraba H., Fintová S., Kuběna I., Horník V., Husák R., Bártková D., Záležák T.: Strengthening mechanisms of different oxide particles in 9Cr ODS steel at high temperatures. Mater. Sci. Eng. A 732 (2018) 112-119

Chlup Z., Černý M., Strachota A., Hadraba H., Halasová M.: Effect of the exposition temperature on the behaviour of partially pyrolysed hybrid basalt fibre composites. Composites B 147 (2018) 122-127



2017

Drdlík D., Drdlíková K., Hadraba H., Maca K.: Optical, mechanical and fractographic response of transparent alumina ceramics on erbium doping. J. Eur. Ceram. Soc. 37 (2017) 4265-4270

Hadraba H., Husák R., Stratil L., Šiška F., Chlup Z., Puchý V., Michalička J.: Survey of oxide candidate for advanced 9%, 14% and 17%Cr ODS steels for fusion applications. Fusion Eng. & Design 124 (2017) 1028-1032

Šiška F., Stratil L., Hadraba H., Fintová S., Kuběna I., Záležák T., Bártková D.: High temperature deformation mechanisms in the 14% Cr ODS alloy. Mater. Sci. Eng. A 689 (2017) 34-39

Matějíček J., Vilémová M., Nevrlá B., Kocmanová L., Veverka J., Halasová M., Hadraba H.: The influence of substrate temperature and spraying distance on the properties of plasma sprayed tungsten and steel coatings deposited in a shrouding chamber. Surf. Coat. Technol. 318 (2017) 217-223

Drdlíková K., Klement R., Hadraba H., Drdlík D., Galušek D., Maca K.: Luminescent Eu3+-doped transparent alumina ceramics with high hardness. J. Eur. Ceram. Soc. 37 (2017) 4271-4277

Stratil L., Šiška F., Hadraba H., Fintová S., Mrňa T., Dlouhý I.: The effect of specimen size for the P91 steel at elevated and high temperatures. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP 1A (2017) 131595

Stratil L., Šiška F., Hadraba H., Bártková D., Fintová S., Puchý V.: Fracture behaviour of the ODS steels prepared by internal oxidation. Fusion Eng. & Design 124 (2017) 1108-1111

Hojna A., Gabriele F., Hadraba H., Husák R., Kuběna I., Rozumová L., Bublíková P., Kalivodová J., Matějíček J.: Fracture behaviour of the 14Cr ODS steel exposed to helium and liquid lead. J. Nucl. Mater. 490 (2017) 143-154

Maca K., Pouchlý V., Drdlík D., Hadraba H., Chlup Z.: Dilatometric study of anisotropic sintering of alumina/zirconialaminates with controlled fracture behaviour. J. Eur. Ceram. Soc. 37 (2017) 4287-4295

Hadraba H., Chlup Z., Dlouhý A., Dobeš F., Roupcová P., Vilémová M., Matějíček J.: Oxide dispersion strengthened CoCrFeNiMn high-entropy alloy. Mater. Sci. Eng. A 689 (2017) 252-256



2016

Dlouhý I., Chlup Z., Hadraba H., Řehořek L.: Response of alumina foam to tensile mechanical loading including stress concentrator effect. Prog. Mater. Sci. 12 (2016) 106-111



2015

Strečková M., Hadraba H., Bureš R., Faberová M., Roupcová P., Kuběna I., Medvecký L., Girman V., Kollar P., Fuzer J., Cizmar E.: Chemical synthesis of nickel ferrite spinel designed as an insulating bilayer coating on ferromagnetic particles. Surf. Coat. Technol. 270 (2015) 66-76

Chlup Z., Bača L., Halasová M., Neubauer E., Hadraba H., Stelzer N., Roupcová P.: Effect of metallic dopants on the microstructure and mechanical properties of TiB2. J. Eur. Ceram. Soc. 35 (2015) 2745-2754

Stratil L., Šiška F., Hadraba H., Dlouhý I.: The prediction of size effect on J-R curve for Eurofer97 steel by simplified mechanical model. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP 1A (2015) 117787

Chlup Z., Hadraba H., Drdlík D., Dlouhý I.: Micro fibres containing laminates prepared by EPD: microstructure and fracture behaviour. Key Eng. Mater. 654 (2015) 53-57



2014

Strečková M., Fuzer J., Kobera L., Brus J., Faberová M., Bureš R., Kollar P., Lauda M., Medvecký L., Girman V., Hadraba H., Baťková M., Baťko I.: A comprehensive study of soft magnetic materials based on FeSi spheres and polymeric resin modified by silica nanorods. Mater. Chem. Phys. 147 (2014) 649-660

Chlup Z., Hadraba H., Drdlík D., Maca K., Dlouhý I., Bermejo R.: On the determination of the stress-free temperature for alumina-zirconia multilayer structures. Ceram. Int. 40 (2014) 5787-5793

Hadraba H., Strečková M., Husák R., Roupcová P.: Mechanical alloying of 80Ni-14.7Fe-4.4Mo-0.5Mn-0.3Si soft magnetic material of Permalloy type. Powder Metall. Progr. 14 (2014) 208-214

Drdlík D., Bartoníčková E., Hadraba H., Cihlář J.: Influence of anionic stabilization of alumina particles in 2-propanol medium on the electrophoretic deposition and mechanical properties of deposits. J. Eur. Ceram. Soc. 34 (2014) 3365-3371

Hadraba H., Husák R., Kuběna I., Bureš R., Faberová M., Strečková M.: Preparation of ferritic 17%Cr ODS steel by mechanical alloying from prealloyed steel powder. Powder Metall. Progr. 14 (2014) 222-227

Strečková M., Baťková M., Baťko I., Hadraba H., Bureš R.: Imaging of Magnetic Domains and Domain Walls in Spherical Fe-Si Powder Using Magnetic Force Microscopy. Acta Phys. Pol. A 126 (2014) 92-93



2013

Stratil L., Hadraba H., Dlouhý I.: Ductile damage identification and tensile notch effect for Eurofer97 steel. Acta Metall. Slovaca 3 (2013) 185-190

Stratil L., Hadraba H., Kozák V., Dlouhý I.: Identification and application of Gurson-Tvergaard-Needleman model for sub-sized three-point- bend geometry. Acta Technica CSAV 58 (2013) 141-155

Hadraba H., Drdlík D., Chlup Z., Máca F., Dlouhý I., Cihlář J.: Layered ceramic composites via control of electrophoretic deposition kinetics. J. Eur. Ceram. Soc. 33 (2013) 2305-2312

Cihlář J., Drdlík D., Cihlářová Z., Hadraba H.: Effect of acids and bases on electrophoretic deposition of alumina and zirconia particles in 2-propanol. J. Eur. Ceram. Soc. 33 (2013) 1885-1892



2012

Chlup Z., Hadraba H., Drdlík D., Maca K., Dlouhý I.: Development of internal stresses in alumina-zirconia laminates. Key Eng. Mater. 507 (2012) 221-226

Hadraba H., Chlup Z., Drdlík D., Maca K., Dlouhý I.: Control of electrophoretic deposition kinetics for preparation of laminated alumina/zirconia ceramic composites. Key Eng. Mater. 507 (2012) 209-213

Chlup Z., Hadraba H., Slabáková L., Drdlík D., Dlouhý I.: Fracture behaviour of alumina and zirconia thin layered laminate. J. Eur. Ceram. Soc. 32 (2012) 2057-2061

Stratil L., Kozák V., Hadraba H., Dlouhý I.: Stress state analysis of sub-sized pre-cracked three-point-bend specimen. Eng. Mech. 19 (2012) 121-129

Hadraba H., Drdlík D., Chlup Z., Maca K., Dlouhý I., Cihlář J.: Laminated alumina/zirconia ceramic composites prepared by electrophoretic deposition. J. Eur. Ceram. Soc. 32 (2012) 2053-2056



2011

Hadraba H., Fournier B., Stratil L., Malaplate J., Rouffie A., Wident P., Ziolek L., Béchadeb J.: Influence of microstructure on impact properties of 9-18%Cr ODS steels for fusion/fission applications. J. Nucl. Mater. 411 (2011) 112-118

Dlouhý I., Hadraba H., Chlup Z., Šmída T.: Prediction of fracture toughness temperature dependence applying neural network. Structur. Integr. and Life 11 (2011) 9-14

Stratil L., Hadraba H., Buršík J., Dlouhý I.: Comparison of microstructural properties and Charpy impact behaviour between different plates of the Eurofer97 steel and effect of isothermal ageing. J. Nucl. Mater. 416 (2011) 311-317

Hadraba H., Kazimierzak B., Stratil L., Dlouhý I.: Microstructure and impact properties of ferritic ODS ODM401 (14%Cr-ODS of MA957 type). J. Nucl. Mater. 417 (2011) 241-244

Dlouhý I., Tadafder M., Hadraba H.: Micromechanical Aspects of Transgranular and Intergranular Failure Competition. Key Eng. Mater. 465 (2011) 399-402


Number of ProjectName
20-20873S Development of High Temperature Liquid Metal Resistant ODS Steels for Fission/Fusion Application
CZ.02.1.01/0.0/0.0/16_025/0007304 Architectured materials designed for additive manufacturing (ArMAdit)
17-23964S Dispersion strengthened high entropy alloys for extreme conditions
GA14-25246S Advanced ODS steels for application in heavy metal melts
7AMB14SK154 Progressive soft magnetic materials based multicomponent alloys
WP12-MAT-01-ODSFS-01-01/IPP.CR/BS EFDA - Production and characterization of laboratory-scale batches of nano-structured ODSFS
GAP108/10/0466 Fracture behaviour prediction based on quantification of local material response
EFDA Study of the micro-mechanisms of cleavage fracture of 14% Cr ODS ferritic steels
EFDA Study of the micro-mechanisms of cleavage fracture of 14% Cr ODS
GA106/08/1397 Effect of ultrafine particles dispersion on cleavage fracture of chromium steels