Ing. Jakub Klečka [ Technician, Department of Materials Engineering ]

Place: Main Building, Office: A 012
Tel.: (+420) 266 053917
Email: klecka@ipp.cas.cz

Education

2006-2013Master's degree, Ing.
Department of Materials, FNSPE CTU in Prague
Behavior of the T91 steel in the liquid lead environment

Research experience

2012-2015Research Scientist
Centrum výzkumu Řež
liquid metal embrittlement

Research projects

2020-2022Development of High Temperature Liquid Metal Resistant ODS Steels for Fission/Fusion Application
Co-investigator
Provider: Czech Science Foundation; Project ID: GA20-20873S
2019-2021High temperature preparation of advanced refractory materials by inductively coupled plasma in controlled atmosphere
Co-investigator
Provider: Czech Science Foundation; Project ID: GA19-14339S
2018-2020Feasibility study of self-passivating tungsten alloys preparation by RF plasma spraying
Co-investigator
Provider: Euratom; Project ID: MAT-3.1.1-T005
2017-2019Stability of the interfaces in advanced tungsten materials for high temperature environments
Co-investigator
Provider: Czech Science Foundation; Project ID: GA17-23154S

List of Publications

2021Klečka J., Čížek J., Matějíček J., Lukáč F., Zlatník R., Chráska T.: Tailoring the structure of RF-ICP tungsten coatings. Surface and Coatings Technology 406 [January] (2021) č. článku 126745.
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 Samal S., Tyc O., Čížek J., Klečka J., Lukáč F., Molnárová O., de Prado E., Wiess Z., Kopeček J., Heller L., Šittner P., Chráska T.: Fabrication of Thermal Plasma Sprayed NiTi Coatings Possessing Functional Properties. Coatings 11 [5] (2021) 1-16, č. článku 610.
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 Kovařík O., Čížek J., Klečka J., Karlík M., Čapek J., Siegl J., Chráska T., Takayasu S.: Mechanical properties and fatigue crack growth in tungsten deposited by RF-plasma. Surface and Coatings Technology 410 [March] (2021) č. článku 126930.
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2020Matějíček J., Klečka J., Čížek J., Veverka J., Vilémová M., Chráska T., Ganesh V.: Tungsten-steel and tungsten-chromium composites prepared by RF plasma spraying. Proceedings 29th International Conference on Metallurgy and Materials. Ostrava: Tanger, 2020, s. 756-763. ISBN 978-80-87294-97-0.
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[29th International Conference on Metallurgy and Materials. Brno (CZ), 20.05.2020-22.05.2020]
 Hulka I., Mušálek R., Lukáč F., Klečka J., Chráska T.: Microstructure and microhardness evaluation fornicraly materials manufactured by spark plasmasintering and plasma spraying. Acta polytechnica 27 (2020) 13-17.
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2019Kovařík O., Materna A., Siegl J., Čížek J., Klečka J.: Fatigue crack growth in plasma-sprayed refractory materials. Journal of Thermal Spray Technology 28 [1-2] (2019) 87-97.
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 Čížek J., Klečka J.: Harnessing fusion power: W and w-cr armor coatings for plasma facing components in tokamaks: Radio-frequency inductively coupled plasma spray is a promising method for producing mechanically strong, oxidation resistant coatings as facing on tokamak vessel surfaces. Advanced Materials & Processes 177 [5] (2019) 46-49.
[ Abstract ]
 Matějíček J., Vilémová M., Moskal D., Mušálek R., Krofta J., Janata M., Kutílek Z., Klečka J., Heuer S., Martan J., Nardozza E., Houdková Š., Dorow-Gerspach D.: The Role of Laser Texturing in Improving the Adhesion of Plasma Sprayed Tungsten Coatings. Journal of Thermal Spray Technology 28 [7] (2019) 1346-1362.
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 Vilémová M., Illková K., Csáki Š., Lukáč F., Hadraba H., Matějíček J., Chlup Z., Klečka J.: Thermal and Oxidation Behavior of CoCrFeMnNi Alloy with and Without Yttrium Oxide Particle Dispersion. Journal of Materials Engineering and Performance 28 [9] (2019) 5850-5859.
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 Čížek J., Klečka J., Vilémová M., Matějíček J., Veverka J., Mušálek R., Lukáč F., Kondás J., Zlatník R.: Armor W-Cr coatings for plasma-facing components in tokamaks by cold spray and RF-ICP. Proceedings of the International Thermal Spray Conference. 2019, s. 535-540. ISBN 9781510888005.
[ Abstract ]

[International Thermal Spray Conference and Exposition: New Waves of Thermal Spray Technology for Sustainable Growth. Yokohama (JP), 26.05.2019-29.05.2019]
2018Vilémová M., Illková K., Lukáč F., Matějíček J., Klečka J., Leitner J.: Microstructure and phase stability of W-Cr alloy prepared by spark plasma sintering. Fusion Engineering and Design 127 [February] (2018) 173-178.
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 Klečka J., Matějíček J., Čížek J., Medřický J., Zlatník R.: Vliv výkonu hořáku a tlaku plynu na vlastnosti RF-ICP wolframových nástřiků. Vrstvy a povlaky 2018. Trenčianska Teplá: M-Press, 2018. ISBN 978-80-972133-3-6. [ EN ] 
[Vrstvy a povlaky 2018. Rožnov pod Radhoštěm (CZ), 22.10.2018-23.10.2018]
 Lukáč F., Dudr M., Mušálek R., Klečka J., Cinert J., Čížek J., Chráska T., Čížek J., Melikhova O., Kuriplach J., Zyka J., Málek J.: Spark plasma sintering of gas atomized high-entropy alloy HfNbTaTiZr. Journal of Materials Research 33 [19] (2018) 3247-3257.
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 Medřický J., Klečka J., Čížek J., Kovářík O., Matějíček J.: Měření teploty a rychlosti wolframových částic u systému s indukčně vázaným plazmatem. Vrstvy a povlaky 2018. Trenčianska Teplá: M-Press, 2018. ISBN 978-80-972133-3-6. [ EN ] 
[Vrstvy a povlaky 2018. Rožnov pod Radhoštěm (CZ), 22.10.2018-23.10.2018]
2017Lukáč F., Vilémová M., Nevrlá B., Klečka J., Chráska T., Molnárová O.: Properties of Mechanically Alloyed W-Ti Materials with Dual Phase Particle Dispersion. Metals 7 [1] (2017) č. článku 3.
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 Klečka J., Lukáč F., Dudr M.: Influence of the Surface Condition of Specimens on the Size of Coherently Diffracting Domains. Solid State Phenomena. Vol. 270. Zürich: Trans Tech Publications Ltd., 2017 - (Kasl, J.), s. 124-129. Scientific.Net. ISBN 978-3-0357-1241-4. ISSN 1662-9779.
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[Conference: Contribution of Metallography to Production Problem Solutions II(14.CCMPPS2017)/14./. Mariánské Lázně (CZ), 06.06.2017-08.06.2017]
 Klečka J., Mušálek R., Vilémová M., Lukáč F.: On tungsten spraying using inductively coupled plasma system - First results. METAL 2017: 26th International Conference on Metallurgy and Materials: abstracts. Ostrava: Tanger Ltd., 2017, s. 1321-1326. ISBN 978-80-87294-73-4.
[ Abstract ]

[26th International Conference on Metallurgy and Materials. Brno (CZ), 24.05.2017-26.05.2017]
 Di Gabriele F., Hojná A., Chocholoušek M., Klečka J.: Behavior of the Steel T91 under Multi Axial Loading in Contact with Liquid and Solid Pb. Metals 7 [9] (2017) č. článku 342.
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2015Klečka J.,Di Gabriele F., Hojna A.: Mechanical properties of the steel T91 in contact with lead. NUCLEAR ENGINEERING AND DESIGN Volume: 283 Special Issue: SI Pages: 131-138 Published: MAR 2015 [ Abstract ] [ Link ]
 Hojna A, Di Gabriele F., Klečka J., Burda J.: Behaviour of the steel T91 under uniaxial and multiaxial slow loading in contact with liquid lead. JOURNAL OF NUCLEAR MATERIALS Volume: 466 Pages: 292-301 Published: NOV 2015 [ Abstract ] [ Link ]
2013Klečka J.,Di Gabriele F., Hojna A.: Mechanical properties of the steel T91 in contact with lead. Proceedings of the 22nd INTERNATIONAL Conference Nuclear Energy for New Europe , NENE 2013. Bled: Nuclear Society of Slovenia, 2013 - (Cizelj, L.; Leskovar, M.; Uršič, M.), no.309, ISBN 978-961-6207-36-2.  [ Abstract ] [ Link ]
 Di Gabriele F., Klečka J., Cristalli C., Gessi A., Houdková Š., Karnik D., Bellucci A., Nanni F.: Characterisation of coatings methods for HLM applications. Proceedings of the 22nd INTERNATIONAL Conference Nuclear Energy for New Europe , NENE 2013. Bled: Nuclear Society of Slovenia, 2013 - (Cizelj, L.; Leskovar, M.; Uršič, M.), no.310, ISBN 978-961-6207-36-2.  [ Abstract ] [ Link ]