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

doc. RNDr. Karel Obrtlík, CSc.

Místnost208
Telefon+420 532 290 415
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Researcher IDG-8907-2014
Pozicevědecký pracovník - Skupina nízkocyklové únavy


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., 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. 1 (2019) 1351-1356



2018

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

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



2017

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

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

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

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.: 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

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

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., 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



2016

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.: 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.: 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



2015

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

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

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



2014

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

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

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

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

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

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



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

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

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

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

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

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

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

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



2010

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

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



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

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

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



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

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

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



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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