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RNDr. Jiří Čermák, CSc., DSc.
Position: researcher
Groups: Advanced Metallic Materials and Metal Based Composites (CEITEC IPM), Structure of Phases and Thermodynamics Group
Rooms: 319, , , 308
Phone numbers: +420 532 290 422, +420 532 290 333, +420 532 290 334, +420 532 290 315
E-mail: cermak@DELETE-THIS.CZ@DELETE-THIS.COMipm.cz.COM
Reseacher ID: G-1541-2014
Projects
Carbon diffusion in carbon-supersaturated ferrite and austenite steels
Desorption kinetics of hydrogen in Mg2Ni-H intermetallic modified by chosen interstitials
Diffusion of hydrogen in alloys Mg-Ni modified by chosen elements that suppress the stability of hydrides
Diffusion of Mo, V and W along high-diffusivity paths in BCC Fe-Cr and Fe-Cr-C alloys and in 9%Cr steel P91
Diffusion properties of intermetallics with L12 structure: Ni3Ga as a model system
Grain boundary diffusion in Ni3Al intermetallic modified by iron, chromium and zirconium
Grain boundary diffusion of nickel in boron - doped Ni3Al, NiAl and in Ni-Al(-B) solid solutions
Hydrogen permeation in Ni3Al-based intermetallic alloys
Kinetics of hydrogen storage in new complex hydrides of (Mg-Ni-M-S)-H type
Mutual diffusion of substitutional elements in modified Ni3Al intermetallics
Research into technologies for high potentional heat transfer from a nuclear source
Simulation of diffusion along grain boundaries
The role of Fe, Nb and Mo diffusivity in structure stability of FINEMET and NANOPERM – type alloys
Transport processes during heat treatment in Mg – Al alloys
Publications:
2017
J. Čermák, L. Král, P. Roupcová: Improvement of hydrogen storage kinetics in ball-milled magnesium doped with antimony. Int J Hydrogen Energ. 42 (2017) 6144–6151.
2016
J. Čermák, L. Král, P. Roupcová : Hydrogen absorption in a-Co30-Fe55-B15. Metal 2016: 25th Anniversary International Conference on Metallurgy and Materials, Conference Proceedings (2016) 1368-1373.
J. Čermák, V. Rothová: Calculation of ternary interdiffusion coefficients using a single diffusion couple. Kovove Mater. 54 (2016) 305-314.
J. Čermák, L. Král, P. Roupcová: Influence of long-term ageing upon the capacity of hydrogen storage in two novel Mg-Ni-In-C alloys. Kovove mater. 54 (2016) 389-396.
J. Čermák, L. Král, P. Roupcová : Hydrogenation of Chosen MgmXn Intermeltalics (X=Al,Ga,In,Si,Sn). Nanocon 2016: 8th International Conference on Metallurgy and Materials, Conference Proceedings (2016) 715-720.
L. Král, J. Čermák, P. Roupcová: Hydrogenation properties of ball-milled Mg-Ti-C-Zr composite. Metal 2016: 25th Anniversary International Conference on Metallurgy and Materials, Conference Proceedings (2016) 1445-1449.
L. Král, J. Čermák, P. Roupcová: Hydrogenation Properties of Mg-Al-Ti-Zr-C composite. Nanocon 2016: 8th International Conference on Metallurgy and Materials, Conference Proceedings (2016) 75-79.
2015
J. Čermák, L. Král : Hydrogen Storage in Mg-In-C Alloys: Effect of Composition and Ageing. Metal 2015: 24th International Conference on Metallurgy and Materials, Conference Proceedings, 2015.
L. Král, J. Čermák, P. Král : The Changes in Structure of Steel P91 after Short Annealings. Metal 2015: 24th International Conference on Metallurgy and Materials, Conference Proceedings, 2015.
2014
J. Cermak, L. Kral: Carbon diffusion in carbon-supersaturated ferrite and austenite, J. of Alloy and Comp. 586 (2014) 129-135.
J. Cermak, L. Kral: Effect ofcarbon-supersaturation upon the carbon diffusion in 9Cr–1Mo
ferrite steel. Mat. Lett. 116 (2014) 402-404.
J. Čermák, L. Král: Extremely slow carbon diffusion in carbon-supersaturated surface of ferrite. Kovove Mater. 52 (2014) 1-9
J. Cermak, L. Kral: Carbon diffusion in carbon - supersaturated 9Cr-1Mo steel: Anomalous temperature dependence of carbon diffusivity. Metal 2014: 23th International Conference on Metallurgy and Materials, Conference Proceedings, 2014.
2013
J. Cermak, L. Kral: Beneficial effect of carbon on hydrogen desorption kinetics from Mg–Ni–In alloy. Journal of Alloys and Compounds 546 (2013) 129–137. DOI: 10.1016/j.jallcom.2012.08.037
J. Cermak, L. Kral: Comparison of Diffusion Coefficients in Initial Stages of Mutual Diffusion in Layered Structures Carbon/Ferrite and Carbon/Austenite for Chosen Alloys. Metal 2013: 22th International Conference on Metallurgy and Materials, Conference Proceedings, 2013.
J. Cermak, L. Kral: Initial Stage of Mutual Diffusion of Carbide in Iron. Metal 2013: 22th International Conference on Metallurgy and Materials, Conference Proceedings, 2013.
M. Kuběnová, J. Zálešák, J. Čermák, A. Dlouhý: Impact of hydrogen-assisted heat treatments on microstructure and transformation path in a Ni-rich NiTi shape memory alloy. J. of Alloy and Comp. 577S (2013) 287-290.
2012
J. Cermak, L. Kral: Ageing of Mg-Ni-H hydrogen storage alloys. International Journal of Hydrogen Energy 37 (2012) 14257-14264.
J. Cermak, L. Kral: Alloying of Mg/Mg2Ni eutectic by chosen non-hydride forming elements: Relation between segregation of the third element and hydride storage capacity. Journal of Power Sources 197 (2012) 116-120.
J. Cermak, L. Kral: Improvement of hydrogen storage characteristics of Mg/Mg2Ni by alloying: Beneficial effect of In. Journal of Power Sources 214 (2012) 208-215.
J. Cermak, L. Kral: Improvement of Hydrogen Desorption Characteristics of Eutectic Mg/Mg2NiH4 and Mg2NiH4 by In Addition. Metal 2012: 21th International Conference on Metallurgy and Materials, Conference Proceedings, 2012.
J. Cermak, L. Kral: Hydrogen Storage Capacity of Mg/Mg2Ni Eutectic Doped with Elements from Groups XIII and XIV. Metal 2012: 21th International Conference on Metallurgy and Materials, Conference Proceedings, 2012.
L. Kral, J. Cermak: Measurement of Carbon Diffusion Coefficient - Calibration of Sputter Depth. Metal 2012: 21th International Conference on Metallurgy and Materials, Conference Proceedings, 2012 (Presented as oral contribution).
2011
J. Čermák, B. David: Catalysis of Hydrogen De-sorption from MgH. METAL 2011 Conference Proceedings, 2011 (Presented as oral contribution).
J. Cermak, L. Kral, B. David: Porézní materiál pro skladování vodíku a způsob jeho přípravy (The porous material for hydrogen storage and method of his preparation) [patent CZ, 302464, B6] 2011).
L. Král, J. Čermák, O. Matal, T. Šimo and L. Nesvadba:
Corrosion of Nickel Exposed to LiF-NaF Molten Salt. METAL 2011 Conference Proceedings, 2011 (Presented as oral contribution).
2010
J. Čermák and L. Král: Low-Temperature Diffusion of Carbon in Iron Measured by SIMS Technique. METAL 2010 Conference Proceedings, 2009. (Presented as poster)
L. Král, J. Čermák, O. Matal, T. Šimo and L. Nesvadba: Corrosion of Chosen Ni-Based Material Exposed to LiF-NaF Molten Salts. METAL 2010 Conference Proceedings, 2009. (Presented as oral contribution)
2009
L. Král, J. Čermák, O. Matal, T. Šimo and L. Nesvadba: Model of Corrosion Process in Chosen Ni-Based Materials Exposed to Eutectic LiF-NaF Molten Salt Mixture. METAL 2009 Conference Proceedings, 2009, 246. (Presented as oral contribution)
L. Král, J. Čermák, O. Matal, T. Šimo, L. Nesvadba and M. Jílek: Analysis of Elements Redistributions in Ni-Coated Ferritic Steel for Molten Salt Technologies. METAL 2009 Conference Proceedings, 2009, 238. (Presented as oral contribution)
I. Stloukal, L. Král and J. Čermák: Iron-Based Bulk Metallic Glasses - Optimization of Casting Process. METAL 2009 Conference Proceedings, 2009, 481. (Presented as poster)
2008
J. Čermák, L. Král and I. Stloukal: Kinetics of Hydrogen in Mg2Ni and in Hydrogenated Mg and Mg-Mg2Ni Eutectic. METAL 2008 - 17th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 13-15 2008, CD-ROM.
J. Čermák and I. Stloukal: Mechanism of 88Y Diffusion in QE22 Alloy. METAL 2008 - 17th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 13-15 2008, CD-ROM.
L. Král and J. Čermák: Changes of Structure in Mg-Ni Alloys after Absorption and Desorption of Hydrogen. METAL 2008 - 17th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 13-15 2008, CD-ROM.
2007
J. Čermák and I. Stloukal: Structure Changes of Fe91-yMo8Cu1By Alloys - Comparison of the Influence of Fe and Mo Diffusivity. METAL 2007 - 16th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 22-24 2007, CD-ROM.
2006
J. Čermák and I. Stloukal: 65Zn Diffusion in a Two-Phase Eutectic Mg - 33 vt.% Al. METAL 2006 - 15th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-25 2006, CD-ROM.
J. Čermák and I. Stloukal: Heterodiffusion of 65Zn in Binary Mg - x Al Alloys and in A Commercial Alloy AZ91. METAL 2006 - 15th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-25 2006, CD-ROM.
J. Čermák and I. Stloukal (Eds.): D&T '06 IXth Seminar on Diffusion and Thermodynamics of Materials Book of Abstracts, IPM AS CR, Brno, 2006.
J. Čermák and I. Stloukal: Tracer Diffusion of Molybdenum in Crystallized Fe79-yMo8Cu1B12+y Alloy. D&T '06 IXth Seminar on Diffusion and Thermodynamics of Materials Book of Abstracts, 2006, p. 43.
J. Čermák and I. Stloukal: Zn Diffusion in Binary Base of Light Mg-Al Alloys. D&T '06 IXth Seminar on Diffusion and Thermodynamics of Materials Book of Abstracts, 2006, p. 44.
J. Čermák and I. Stloukal: Comparison of Fe and Mo Diffusivity in Structure Components of Fe91-yMo8Cu1By Alloys. Proc. of the 5th Int. Conf. on Nanosciences and Nanotechnologies in the Czech Republic (NANO 06), Brno, Czech Republic, November 13-15 2006, p. 190.
L. Král, B. Million and J. Čermák: Difúze C ve svarovém spoji Fe-0,3C-5%Mn/Fe-0,3C-15Mn. METAL 2006 - 15th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-25 2006, CD-ROM.
L. Král, B. Million and J. Čermák: Diffusion of Carbon and Manganese in Fe-C-Mn. D&T '06 IXth Seminar on Diffusion and Thermodynamics of Materials Book of Abstracts, 2006, p. 42.
V. Rothová and J. Čermák: Vzájemná difúze v systému Mg/Mg17Al12. METAL 2006 - 15th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-25 2006, CD-ROM.
I. Stloukal and J. Čermák: Diffusion of Zinc in Two-Phase Mg - Al Alloy. D&T '06 IXth Seminar on Diffusion and Thermodynamics of Materials Book of Abstracts, 2006, p. 50.
2005
J. Čermák, V. Rothová, D. Eversheim and I. Stloukal: Tracer Diffusion of 71Ge and 68Ge in Mg and in Mg-2Al Alloy. METAL 2005 - 14th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-26 2005, CD-ROM.
J. Čermák and I. Stloukal: Apparatus for Sputter-Profiling - Analysis of Output Data. METAL 2005 - 14th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-26 2005, CD-ROM.
J. Čermák, V. Rothová, D. Eversheim and I. Stloukal: Impurity Diffusion of In-114m in Mg-Al Based Alloys. METAL 2005 - 14th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-26 2005, CD-ROM.
J. Čermák: Combined Diffusion Regime of a Low-Soluble Element in a Polycrystal - Model System: Ge in Mg and in Mg-1.8 wt.% Al. METAL 2005 - 14th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-26 2005, CD-ROM.
J. Čermák: Grain Boundary Diffusion - Evaluation of Data in Case of Strong Segregation to Grain Boundaries. Abstract Book of the 5th International Workshop Surface and Interface Segregation, Nové Hrady, Czech Republic, September 19-23, 2005.
J. Čermák and I. Stloukal: Diffusion Study of Fe and Mo in Fe76Mo8B15Cu1 Alloy. Proceedings NANO '05, Brno, Czech Republic, November 8-10, 2005, p. 290.
J. Čermák, I. Stloukal and O. Schneeweiss: Short-Circuit Diffusion of 99Mo in Partly Crystallized Fe76Mo8B15Cu1, Fe40Ni40B20 and Fe80B20 Alloys. Proceedings NANO '05, Brno, Czech Republic, November 8-10, 2005, p. 302.
J. Čermák and I. Stloukal: Diffusion of 99Mo in Thermally Treated Fe76Mo8B15Cu1 Alloy. Proceedings NANO '05, Brno, Czech Republic, November 8-10, 2005, p. 306.
L. Král, B. Million and J. Čermák: Difúze C a Mn ve svarovém spoji Fe-0,3C/Fe-0,3C-15Mn. METAL 2005 - 14th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 23-26 2005, CD-ROM.
L. Král, J. Čermák and B. Million: Diffusion of Mn in Steel Weldments of 0-15 % Mn. Internat. Conf. Juniormat 05, Brno Univ. Technol., Czech Rep., Brno September 20 – 21, 2005, p. 319.
2004
J. Čermák, I. Stloukal and Y. Jirásková: Iron Diffusion in Alloy Fe75Mo9B15Cu1. METAL 2004 - 13th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 18-20 2004, CD-ROM.
J. Čermák and V. Rothová: Grain Boundary Diffusion of 67Ga and 68Ge in Nickel. METAL 2004 - 13th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 18-20 2004, CD-ROM.
V. Rothová and J. Čermák: Grain Boundary Diffusion of Al-Substituting Elements in Ni3Al. METAL 2004 - 13th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 18-20 2004, CD-ROM.
I. Stloukal and J. Čermák: Study of Ga Volume and Grain Boundary Diffusion in Polycrystalline Magnesium. METAL 2004 - 13th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 18-20 2004, CD-ROM.
2003
J. Čermák, I. Stloukal and Y. Jirásková: Diffusion of Fe in Fe75Mo9B15Cu1 Amorphous Alloy During Crystallization. Nano 03 Proceedings, Brno, Czech Republic, October 21-23 2003, 236.
J. Čermák, V. Rothová, I. Stloukal and Y. Jirásková: Study of Diffusion on Fe-Nb and Fe75Mo9B15Cu1. Meeting of the Materials Dynamics Network 3, Valtice, Czech Republic, October 10-11 2003.
J. Čermák, V. Rothová and A. Gazda: A New Method of Estimation of Diffusion Characteristics in Ternary Systems. METAL 2003 - 12th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 22-25 2003, CD-ROM.
J. Čermák and V. Rothová: Modeling of Diffusion Barrier in Nanocrystalline Growth. Nano 03 Proceedings, Brno, Czech Republic, October 21-23 2003, 232.
A. Gazda, V. Rothová and J. Čermák: Influence of Chosen Alloying Elements upon Interdiffusion in Ni3Al-X. METAL 2003 - 12th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 22-25 2003, CD-ROM.
V. Rothová and J. Čermák: In-Situ Monitoring of Phase Transformation in Ni3Al Based Alloys by Means of Hydrogen Permeation Measurement. METAL 2003 - 12th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 22-25 2003, CD-ROM.
2002
J. Čermák and J. Vřešt,ál (Eds.): D&T 02 Proceedings of VIIIth Seminar Diffusion and Thermodynamics of Materials, IPM AS CR and Masaryk University, Brno, 2002.
L. Čermák, P. Mareček and T. Fous: Diffusion of Gallium in Polycrystalline Ni3Ga. METAL 2002 - 11th International Metallurgical & Material Conference, Hradec nad Moravicí, Czech Republic, May 14-16 2002, CD-ROM.
A. Gazda, V. Rothová and J. Čermák: Comparison of Al/Ni and C/Ni Interdiffusion Coefficients in Pseudobinary Sections of Ni3Al-Co Alloys. Proceedings of VIIIth Seminar Diffusion and Thermodynamics of Materials 2002, p. 148.
V. Rothová and J. Čermák: Diffusion of Ni and Ga along High-Diffusivity Paths in Polycrystalline Ni3Ga. Proceedings of VIIIth Seminar Diffusion and Thermodynamics of Materials 2002, p. 156.
O. Schneeweiss, Y. Jirásková, J. Čermák and P. Lejček: Atomic Ordering at Grain Boundaries in Fe-Si and Fe-Al Alloys. Proceedings of International Conference on the Applications of the Mössbauer Effect (ICAME2001), Kluwer, Dordrecht, 2002, 571.
2001
J. Čermák, J. Růžičková, M. Konecny and H. Ipser: Grain Boundaries in Ni3Ga as Paths of Rapid Diffusion. METAL 2001 - 10th International Metallurgical & Material Conference, Ostrava, Czech Republic, May 15-17 2001, CD-ROM.
J. Čermák, J. Růžičková, M. Konecny and H. Ipser: Grain Boundary Diffusion of the Major Element in A3B Intermetallic with L12 Structure - Ni3Ga as a Model Compound. 11th International Symposium on Metallography, Stará Lesná, Slovak Republic, April 25-27, 2001. (Acta Metall. Slovaca 7, 2001, 487.)
J. Čermák: Chemical Composition of (310)[100] Symmetrical Tilt Grain Boundary in Ni3Al. 3th International Conference on Materials Structure and Micromechanics of Fracture, Brno, Czech Republic, June 27-29 2001.
J. Čermák: Interaction of Vacancy with Chosen Special Tilt Grain Boundaries - Monte Carlo Simulation. METAL 2001 - 10th International Metallurgical & Material Conference, Ostrava, Czech Republic, May 15-17 2001, CD-ROM.
J. Čermák and V. Rothová: Modification of Transmissivity of Hydrogen through the Surface of Ni3Al by alloying. METAL 2001 - 10th International Metallurgical & Material Conference, Ostrava, Czech Republic, May 15-17 2001, CD-ROM.
J. Čermák and V. Rothová: Hydrogen Permeation in Alloyed Nickel-Aluminides Influenced by Surface Reaction. 11th International Symposium on Metallography, Stará Lesná, Slovak Republic, April 25-27, 2001. (Acta Metall. Slovaca 7, 2001, 465.)
O. Schneeweiss, Y. Jirásková, J. Čermák and P. Lejček: Comparison of Site Preferences of 57Co at Grain Boundaries in Fe-Si and Fe-Al Alloys. METAL 2001 - 10th International Metallurgical & Material Conference, Ostrava, Czech Republic, May 15-17 2001, CD-ROM.
2000
J. Čermák, V. Rothová and I. Stloukal: Hydrogen Permeation in CMSX-4 and in Its Structural Components. International Congress on Advanced Materials and Applications Materials Week 2000, Munich 25-28 Sept 2000.
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Last update
19. 09. 2017