prof. RNDr.

Jaroslav Polák

DrSc.

CEITEC – external cooperator

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prof. RNDr. Jaroslav Polák, DrSc.

Publications

  • 2018

    MAZÁNOVÁ, V.; POLÁK, J. Initiation and growth of short fatigue cracks in austenitic Sanicro 25 steel. Fatigue and Fracture of Engineering Materials and Structures, 2018, vol. 41, no. 7, p. 1529-1545. ISSN: 1460-2695.
    Detail | WWW

    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. Materials Science and Engineering A, 2018, vol. 719, no. 1, p. 49-60. ISSN: 0921-5093.
    Detail | WWW

  • 2017

    HECZKO, M.; POLÁK, J.; KRUML, T. Microstructure and dislocation arrangements in Sanicro 25 steel fatigued at ambient and elevated temperatures. Materials Science and Engineering A, 2017, vol. 680, no. 1, p. 168-181. ISSN: 0921-5093.
    Detail | WWW

    HUTAŘ, P.; PODUŠKA, J.; ŠMÍD, M.; KUBĚNA, I.; CHLUPOVÁ, A.; NÁHLÍK, L.; POLÁK, J.; KRUML, T. Short fatigue crack behaviour under low cycle fatigue regime. INTERNATIONAL JOURNAL OF FATIGUE, 2017, vol. 103, no. October 2017, p. 207-215. ISSN: 0142-1123.
    Detail | WWW

  • 2016

    PETRÁŠ, R.; ŠKORÍK, V.; POLÁK, J. Thermomechanical fatigue and damage mechanisms in Sanicro 25 steel. Materials Science and Engineering A, 2016, no. 650, p. 52-62. ISSN: 0921-5093.
    Detail

    POLÁK, J.; PETRÁŠ, R.; CHAI, G.; ŠKORÍK, V. Surface profile evolution and fatigue crack initiation in Sanicro 25 steel at room temperature. Materials Science and Engineering A, 2016, no. 658, p. 221-228. ISSN: 0921-5093.
    Detail

    PETRÁŠ, R.; ŠKORÍK, V.; POLÁK, J. Damage Evolution in Thermomechanical Loading of Stainless Steel. Procedia Structural Integrity, 2016, no. 2, p. 3407-3414. ISSN: 2452-3216.
    Detail

    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. INTERNATIONAL JOURNAL OF FATIGUE, 2016, no. 83, p. 75-83. ISSN: 0142-1123.
    Detail

    POLÁK, J.; MAZÁNOVÁ, V.; KUBĚNA, I.; HECZKO, M.; MAN, J. Surface Relief and Internal Structure in Fatigued Stainless Sanicro 25 Steel. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2016, vol. 47, no. 5, p. 1907-1911. ISSN: 1073-5623.
    Detail | WWW

    POLÁK, J.; PETRÁŠ, R.; MAZÁNOVÁ, V. Basic Mechanisms Leading to Fatigue Failure of Structural Materials. TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 2016, vol. 69, no. 2, p. 289-294. ISSN: 0972-2815.
    Detail | WWW

  • 2015

    ŠKORÍK, V.; ŠULÁK, I.; OBRTLÍK, K.; POLÁK, J. THERMO-MECHANICAL AND ISOTHERMAL FATIGUE BEHAVIOR OF AUSTENITIC STAINLESS STEEL AISI 316L. In Proceedings of METAL 2015. 1. Ostrava: TANGER Ostrava, s.r.o., 2015. p. 851-856. ISBN: 978-80-87294-58- 1.
    Detail

  • 2014

    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 elevated temperature. Materials Science and Engineering A, 2014, vol. 2014, no. 615, p. 175-182. ISSN: 0921-5093.
    Detail

    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 Engineering, 2014, vol. 74, no. 6, p. 68-73. ISSN: 1877-7058.
    Detail

    CHLUPOVÁ, A.; OBRTLÍK, K.; BERAN, P.; HECZKO, M.; POLÁK, J.; KRUML, T. Monotonic and cyclic properties of TiAl alloys Monotic and cyclic properties of TiAl alloys doped with Nb, Mo and C. Procedia Engineering, 2014, vol. 74, no. 6, p. 405-408. ISSN: 1877-7058.
    Detail

    PETRENEC, M.; POLÁK, J.; ŠAMOŘIL, T.; DLUHOŠ, J.; OBRTLÍK, K. In-situ Study of the Mechanisms of High Temperature Damage in Elastic-plastic Cyclic Loading of Nickel Superalloy. In 11th International Fatigue Congress. Advanced Materials Research (online). 2014. p. 530-535. ISBN: 978-3-03835-008-8. ISSN: 1662-8985.
    Detail

  • 2013

    PETRENEC, M.; TESAŘOVÁ, H.; KRAHULA, K.; POLÁK, J. ELASTIC-PLASTIC BEHAVIOUR OF ADVANCED ADI STUDIED BY IN- SITU SEM TENSILE TEST. In Metal 2013. Brno: TANGER Ltd., 2013. p. 676-681. ISBN: 978-80-87294-39- 0.
    Detail

    PETRENEC, M.; STRUNZ, P.; GASSER, U.; HECZKO, M.; ZÁLEŠÁK, J.; POLÁK, J. Nanostructure Characterization of IN738LC Superalloy Fatigued at High Temperature. In NANOCON 2013 Conference Proceedings. 1st Edition, 2014. Czech Republic: Tanger, Ltd., 2013. p. 712-717. ISBN: 978-80-87294-44- 4.
    Detail

  • 2012

    MAN, J.; VYSTAVĚL, T.; WEIDNER, A.; KUBĚNA, I.; PETRENEC, M.; KRUML, T.; POLÁK, J. Study of cyclic strain localization and fatigue crack initiation using FIB technique. INTERNATIONAL JOURNAL OF FATIGUE, 2012, vol. 39, no. 1, p. 44-53. ISSN: 0142- 1123.
    Detail

    OBRTLÍK, K.; POSPÍŠILOVÁ, S.; JULIŠ, M.; PODRÁBSKÝ, T.; POLÁK, J. Fatigue behaviour of coated and uncoated cast Inconel 713LC at 800 deg. INTERNATIONAL JOURNAL OF FATIGUE, 2012, vol. 41, no. ., p. 101-106. ISSN: 0142- 1123.
    Detail

    JULIŠ, M.; OBRTLÍK, K.; POSPÍŠILOVÁ, S.; PODRÁBSKÝ, T.; POLÁK, J. Influence of AlSi diffusion coating on low cycle fatigue properties of cast superalloy Inconel 738LC at 800deg. Key Engineering Materials (print), 2012, vol. 488- 489, no. 1, p. 307-310. ISSN: 1013- 9826.
    Detail

    ŠMÍD, M.; OBRTLÍK, K.; PETRENEC, M.; POLÁK, J. Effect of tensile dwell on low cycle fatigue of cast superalloy Inconel 792- 5A at 800 C. Key Engineering Materials (print), 2012, vol. 2012, no. 488- 489, p. 735-738. ISSN: 1013- 9826.
    Detail

  • 2011

    KUBĚNA, I.; KRUML, T.; POLÁK, J.; FOURNIER, B. Low cycle fatigue behaviour of ODS steels for nuclear application. Key Engineering Materials, 2011, vol. 2011, no. 465, p. 556-559. ISSN: 1013- 9826.
    Detail

    HUTAŘ, P.; NÁHLÍK, L.; ŠEVČÍK, M.; SEITL, S.; KRUML, T.; POLÁK, J. Fatigue crack propagation rate in EUROFER 97 estimated using small specimens. Key Engineering Materials (print), 2011, vol. 452- 453, no. -, p. 325-328. ISSN: 1013-9826.
    Detail

    KRUML, T.; KUBĚNA, I.; POLÁK, J. Fatigue behaviour and surface relief in ODS steels. Procedia Engineering, 2011, vol. 2011, no. 10, p. 1685-1690. ISSN: 1877- 7058.
    Detail

    OBRTLÍK, K.; POSPÍŠILOVÁ, S.; JULIŠ, M.; PODRÁBSKÝ, T.; POLÁK, J. Low Cycle Fatigue Behavior of Cast Superalloy Inconel 713LC with Al Coating at 800 degC. Key Engineering Materials (print), 2011, vol. 452- 453, no. 1, p. 265-268. ISSN: 1013- 9826.
    Detail

    OBRTLÍK, K.; POSPÍŠILOVÁ, S.; JULIŠ, M.; PODRÁBSKÝ, T.; POLÁK, J. Effect of Al and AlSi diffusion coating on the low cycle fatigue behavior of Inconel 713LC. Procedia Engineering, 2011, vol. 2011, no. 10, p. 1360-1365. ISSN: 1877- 7058.
    Detail

    ŠMÍD, M.; PETRENEC, M.; POLÁK, J.; OBRTLÍK, K. Analysis of the Effective and Internal Cyclic Stress Components in the Superalloys Fatigued at Elevated Temperature. Advanced Materials Research, 2011, vol. 278, no. 7/ 2011, p. 393-398. ISSN: 1022- 6680.
    Detail

    PETRENEC, M.; ŠMÍD, M.; KRUML, T.; OBRTLÍK, K.; POLÁK, J. Low cycle fatigue of cast gamma- TiAl based alloys at high temperature. Key Engineering Materials (print), 2011, vol. 452- 453, no. 3/ 2011, p. 421-424. ISSN: 1013- 9826.
    Detail

    MAN, J.; OBRTLÍK, K.; PETRENEC, M.; BERAN, P.; POLÁK, J.; WEIDNER, A.; DLUHOŠ, J.; KRUML, T. Stability of austenitic 316L steel against martensite formation during cyclic straining. Procedia Engineering, 2011, vol. 10, no. 1, p. 1279-1284. ISSN: 1877- 7058.
    Detail

  • 2010

    ŠMÍD, M.; OBRTLÍK, K.; PETRENEC, M.; POLÁK, J.; HRBÁČEK, K. Únavové vlastnosti niklové superslitiny inconel 792- 5A při 800 C. Rožnov pod Radhoštěm: Tanger, 2010. p. 1-6. ISBN: 978-80-87294-15- 4.
    Detail

    JULIŠ, M.; OBRTLÍK, K.; POSPÍŠILOVÁ, S.; PODRÁBSKÝ, T.; POLÁK, J. Effect of Al-Si diffusion coating on the fatigue behavior of cast Inconel 713LC at 800 degC. Procedia Engineering, 2010, vol. 2, no. 1, p. 1983-1989. ISSN: 1877- 7058.
    Detail

    LIŠKUTÍN, P.; JÍŠA, D.; KRUML, T.; POLÁK, J. Small fatigue crack growth in aluminium alloy EN AW-6082/ T6. INTERNATIONAL JOURNAL OF FATIGUE, 2010, vol. 32, no. 12, p. 1913-1920. ISSN: 0142- 1123.
    Detail

    KUBĚNA, I.; KRUML, T.; SPAETIG, P.; BALUC, N.; OKSIUTA, Z.; PETRENEC, M.; OBRTLÍK, K.; POLÁK, J. Fatigue behaviour of ODS ferritic- martensitic Eurofer steel. Procedia Engineering, 2010, vol. 2, no. 1, p. 717-724. ISSN: 1877- 7058.
    Detail

    MAN, J.; WEIDNER, A.; KUBĚNA, I.; VYSTAVĚL, T.; SKROTZKI, W.; POLÁK, J. Application of FIB technique to study of early fatigue damage in polycrystals. Journal of Physics: Conference Series, 2010, vol. 240, no. 1, p. 1-4. ISSN: 1742- 6588.
    Detail

  • 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. PHILOSOPHICAL MAGAZINE, 2009, vol. 89, no. 16, p. 1337-1372. ISSN: 1478- 6435.
    Detail

    ŠMÍD, M.; OBRTLÍK, K.; PETRENEC, M.; POLÁK, J.; HRBÁČEK, K. Únavová životnost a únavový lom lité niklové superslitiny Inconel 792- 5A při pokojové teplotě a při zvýšených teplotách. In Sborník přednášek - Proceedings. Ostrava: TANGER, 2009. p. 144-151. ISBN: 978-80-87294-03- 1.
    Detail

  • 2008

    ŠMÍD, M.; PETRENEC, M.; POLÁK, J.; OBRTLÍK, K. Analýza tvaru hysterezních smyček lité niklové superslitiny únavově zatěžované při 800 C. Žilina: EDIS, 2008. p. 190-194.
    Detail

    PETRENEC, M.; ŠMÍD, M.; OBRTLÍK, K.; POLÁK, J. Effect of Temperature on cyclic stress components of Inconel 738LC superalloy. In Proceedings of 17th European Conference on Fracture. Brno: VUTIUM, 2008. p. 1358-1365. ISBN: 9781617823190.
    Detail

    PETRENEC, M.; ŠMÍD, M.; POLÁK, J.; OBRTLÍK, K. Effect of elevated temperatures on the shape of hysteresis loop of nickel based superalloy. In Assessment of reliability of materials and structures: Problems and solutions. St. Petersburg: St. Petersburg State Polytechnic University, 2008. p. 278-282. ISBN: 978-5-7422-1856- 2.
    Detail

    JULIŠ, M.; MAN, O.; OBRTLÍK, K.; PODRÁBSKÝ, T.; POLÁK, J. Fatigue Damage Evolution in Cast Inconel 738LC using Confocal Laser Scanning Microscope and AFM. In Proceedings of ECF 17. 17. Brno: VUTIUM Brno, 2008. p. 2314-2319. ISBN: 9781617823190.
    Detail

  • 2002

    PETRENEC, M., OBRTLÍK, K., POLÁK, J. Dislokační struktura únavově zatěžované superslitiny Inconel 713 LC při pokojové a zvýšených teplotách. Materiálové inžinierstvo, 2002, vol. 9, no. 3/ 2002, p. 146 ( p.)ISSN: 1335- 0803.
    Detail | WWW

    OBRTLÍK, K., MAN, J., PETRENEC, M., POLÁK, J. Cyclic Strain Localisation in Inconel 713 LC at Room and High Temperature. In FATIGUE 2002. 2/ 5. Stockholm, Švédsko: Engineering Materials Advisory Services LTD., 2002. p. 963 ( p.)ISBN: 1-901537-30- 7.
    Detail

  • 2001

    PETRENEC, M., POLÁK, J. POROVNÁNÍ CYKLICKÉ PLASTICITY NEREZOVÝCH OCELÍ S UVÁŽENÍM VLIVU STŘEDNÍHO NAPĚTÍ. In TECHNOLÓGIA 2001. Bratislava: Slovenská technická univerzita v Bratislave vo Vydavateľstve STU, 2001. p. 728 ( p.)ISBN: 80-227-1567- 0.
    Detail

    PETRENEC, M., POLÁK, J. Dislokační struktura, efektivní a interní napětí cyklicky deformované feritické oceli. In JUNIORMAT ´01 - sborník přednášek a posterů. Brno: ÚMI F. Píška VUT FSI v Brně ve spolupráci s Českou společností pro nové materiály a technologie, 2001. p. 226 ( p.)ISBN: 80-214-1885- 0.
    Detail

    PETRENEC, M., POLÁK, J. Dislocation structures, effective and internal stresses of cyclic strained ferritic stainless steel. Zeszyty naukowe politechniki Opolskiej seria Mechanika, 2001, vol. 72, no. 279/ 2001, p. 129 ( p.)ISSN: 1429- 6055.
    Detail

    ZEZULKA, P.; POLÁK, J. Hodnocení růstu krátkých únavových ocelí ve feritické oceli. In Juniormat 2001. Ostrava: Ústav materiálového inženýrství F. Píška VUT FSI v Brně, 2001. p. 35 ( p.)ISBN: 80-214-1885- 0.
    Detail

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