Ústav fyziky materiálů AV ČR, v. v. i. > Zaměstnanci > Obrtlík Karel

doc. RNDr. Karel Obrtlík, CSc.

Místnost208
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Researcher IDG-8907-2014
Pozicevědecký pracovník - Skupina nízkocyklové únavy


2023

Šulák I., Chlupová A., Obrtlík K.: High-Temperature Low Cycle Fatigue of Nickel-Based Superalloy IN738LC. Defect Diffus. Forum 422 (2023) 27-32


Šulák I., Hrbáček K., Obrtlík K.: High Temperature Fatigue Properties of Boron-doped Superalloy B1914. Procedia Struct. Integr. 43 (2023) 209-214

Šulák I., Chlupová A., Obrtlík K.: Els111Alice*. Defect Diffus. Forum 422 (2023) 27-32



2022

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

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



2020

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

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

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



2019

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

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



2018

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., 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., 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

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., 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

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

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.: 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., 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.: 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

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

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



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

Man J., Valtr M., Petrenec M., Dluhoš J., Kuběna I., Obrtlík K., Polák J.: AFM and SEM-FEG study on fundamental mechanisms leading to fatigue crack initiation. Int. J. Fatigue 76 (2015) 11-18



2014

Kruml T., Obrtlík K.: Microstructure degradation in high temperature fatigue of TiAl alloy. Int. J. Fatigue 65 (2014) 28-32

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

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

Šmíd M., Obrtlík K.: Surface relief evolution in IN792-5A nickel base superalloy under high temperature fatigue straining with hold times. Key Eng. Mater. 592-593 (2014) 429-432

Kruml T., Chlupová A., Obrtlík K.: Cyclic deformation of a modern TiAl alloy at high temperatures. Adv. Mater. Res. 891-892 (2014) 1131-1136

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

Man J., Valtr M., Kuběna I., Petrenec M., Obrtlík K., Polák J.: AFM and FIB study of cyclic strain localization and surface relief evolution in fatigued f.c.c. polycrystals. Adv. Mater. Res. 891-892 (2014) 524-529



2013

Slámečka K., Pokluda J., Kianicová M., Horníková J., Obrtlík K.: Fatigue life of cast Inconel 713LC with/without protective diffusion coating under bending, torsion and their combination. Eng. Fract. Mech. 110 (2013) 459-467

Polák J., Obrtlík K., Petrenec M., Man J., Kruml T.: Mechanisms of high temperature damage in elastoplastic cyclic loading of nickel superalloys and TiAl intermetallics. Procedia Eng. 55 (2013) 114-122



2012

Polák J., Petrenec M., Man J., Obrtlík K.: Initiation and short crack growth in austenitic-ferritic duplex steel-effect of positive mean stress. Fatigue Fract. Eng. Mater. Struct. 35 (2012) 257-268

Obrtlík K., Pospíšilová S., Juliš M., Podrábský T., Polák J.: Fatigue behavior of coated and uncoated cast Inconel 713LC at 800 °C. Int. J. Fatigue 41 (2012) 101-106



2011

Man J., Obrtlík K., Petrenec M., Beran P., Smaga M., Weidner A., Dluhoš J., Kruml T., Biermann H., Eifler D., Polák J.: Stability of austenitic 316L stainless steel against martensite formation during cyclic straining. Procedia Eng. 10 (2011) 1279-1284

Juliš M., Kusmič D., Pospíšilová S., Průša S., Obrtlík K., Dluhoš J., Podrábský T.: Study of surface relief evolution in cyclically strained superalloy IN738LC using advanced experimental techniques. Chem. Listy 105 (2011) 814-815

Obrtlík K., Pospíšilová S., Juliš M., Podrábský T., Polák J.: Low Cycle Fatigue Behavior of Cast Superalloy Inconel 713LC with Al Coating at 800 C. Key Eng. Mater. 452-453 (2011) 265-268

Šmíd M., Petrenec M., Polák J., Obrtlík K., Chlupová A.: Analysis of the Effective and Internal Cyclic Stress Components in the Inconel Superalloy Fatigued at Elevated Temperature. Adv. Mater. Res. 278 (2011) 393-398

Pospíšilová S., Juliš M., Obrtlík K., Kianicová M., Podrábský T., Dvořáček O.: The Study of Microstructure and Properties of Al Diffusion Coating on Inconel 713LC. Key Eng. Mater. 465 (2011) 282-285

Obrtlík K., Pospíšilová S., Juliš M., Podrábský T., Polák J.: Effect of Al and Al-Si diffusion coating on the low cycle fatigue behavior of Inconel 713LC. Procedia Eng. 10 (2011) 1360-1365

Pospíšilová S., Obrtlík K., Juliš M., Podrábský T.: Initiation and growth of fatigue cracks in Inconel 713LC with Al coating at 800 C. Chem. Listy 105 (2011) s840-s841



2010

Man J., Valtr M., Weidner A., Petrenec M., Obrtlík K., Polák J.: AFM study of surface relief evolution in 316L steel fatigued at low and high temperatures. Proc. Eng. 2 (2010) 1625-1633

Obrtlík K., Juliš M., Man J., Podrábský T., Polák J.: Extrusion and intrusion evolution in cyclically strained cast superalloy Inconel 738LC using confocal laser scanning microscope and AFM. J. Phys.: Conf. Series 240 (2010) 012054



2009

Man J., Klapetek P., Man O., Weidner A., Obrtlík K., Polák J.: Extrusions and intrusions in fatigued metals. Part 2. AFM and EBSD study of the early growth of extrusions and intrusions in 316L steel fatigued at room temperature. Philos. Mag. 89 (2009) 1337-1372

Obrtlík K., Petrenec M., Man J., Polák J., Hrbáček K.: Isothermal fatigue behavior of cast superalloy Inconel 792-5A at 23 and 900 °C. J. Mater. Sci. 44 (2009) 3305-3314

Man J., Obrtlík K., Polák J.: Extrusions and intrusions in fatigued metals. Part 1. State of the art and history. Philos. Mag. 89 (2009) 1295-1336



2008

Obrtlík K., Chlupová A., Petrenec M., Polák J.: Low cycle fatigue of cast superalloy Inconel 738LC at high temperature. Key Eng. Mater. 385-387 (2008) 581-584

Petrenec M., Obrtlík K., Polák J., Man J.: Dislocation structures in nickel based superalloy Inconel 792-5A fatigued at room temperature and 700 °C. Mater. Sci. Forum 567-568 (2008) 429-432



2007

Petrenec M., Obrtlík K., Polák J., Man J.: Effect of temperature on the low cycle fatigue of cast Inconel 792-5A. Key Eng. Mater. 345-346 (2007) 383-386



2006

Petrenec M., Polák J., Obrtlík K., Man J.: Dislocation structures in cyclically strained X10CrAl24 ferritic steel. Acta Mater. 54 (2006) 3429-3443



2004

Man J., Petrenec M., Obrtlík K., Polák J.: AFM and TEM study of cyclic slip localization in fatigued ferritic X10CrAl24 stainless steel. Acta Mater. 52 (2004) 5551-5561



2003

Man J., Obrtlík K., Polák J.: Study of surface relief evolution in fatigued 316L austenitic stainless steel by AFM. Mater. Sci. Eng. A 351 (2003) 123-132

Polák J., Man J., Obrtlík K.: AFM evidence of surface relief formation and models of fatigue crack nucleation. Int. J. Fatigue 25 (2003) 1027-1036

Polák J., Man J., Obrtlík K., Kruml T.: The shape of extrusions and intrusions produced by cyclic straining. Z. Metallkd. 94 (2003) 1327-1330



2002

Man J., Obrtlík K., Blochwitz C., Polák J.: Atomic force microscopy of surface relief in individual grains of fatigued 316L austenitic stainless steel. Acta Mater. 50 (2002) 3767-3780


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