Institute of Physics of Materials AS CR, v. v. i. > People > Dvořák Jiří

Ing. Jiří Dvořák, Ph.D.

Room251, 131
Phone number+420 532 290 397, +420 532 290 380
E-mail[javascript protected email address]
Researcher IDF-9785-2014
Positionresearcher - Advanced High-temperature Materials Group, researcher -


2020

Sklenička V., Král P., Dvořák J., Takizawa Y., Masuda T., Horita Z., Kuchařová K., Kvapilová M., Svobodová M.: Effects of Grain Refinement and Predeformation Impact by Severe Plastic Deformation on Creep in P92 Martensitic Steel. Adv. Eng. Mater. 22 (2020) 1900448

Sklenička V., Kuchařová K., Kvapilová M., Kloc L., Dvořák J., Král P.: High-Temperature Creep Tests of Two Creep-Resistant Materials at Constant Stress and Constant Load. Key Eng. Mater. 827 (2020) 246-251

Král P., Blum W., Dvořák J., Yurchenko N., Stepanov N., Zherebtsov S., Kunčická L., Kvapilová M., Sklenička V.: Creep behavior of an AlTiVNbZr0.25 high entropy alloy at 1073 K. Mater. Sci. Eng. A 783 (2020) 139291

Král P., Dvořák J., Sklenička V., Horita Z., Takizawa Y., Tang Y., Kvapilová M., Svobodová M.: Effect of ultrafine-grained microstructure on creep behaviour in 304L austenitic steel. Mater. Sci. Eng. A 785 (2020) 139383

Sklenička V., Král P., Kuchařová K., Kvapilová M., Dvořák J.: DAMAGE AND FRACTURE IN CREEP OF A CLADDING ALLOY ZR1%NB OF THE VVER REACTOR-TYPE. Zvyšování životnosti komponent energetických zařízení v elektrárnách 15. (2020) 147-152

Sklenička V., Kuchařová K., Svoboda M., Král P., Kvapilová M., Dvořák J.: The Creep Resistance of Short-Fibre Reinforced Metal Matrix Composites. Structural. Integr. 16 (2020) 93-99

Král P., Dvořák J., Blum W., Sklenička V., Horita Z., Takizawa Y., Tang Y., Kunčická L., Kocich R., Kvapilová M., Svobodová M.: The Effect of Predeformation on Creep Strength of 9% Cr Steel. Materials 13 (2020) 5330



2019

Sklenička V., Kuchařová K., Svoboda M., Kvapilová M., Král P., Dvořák J.: Creep behaviour of IN 740 alloy after HAZ thermal cycle simulations. Int. J. Pres. Ves. Pip. 178 (2019) 104000

Král P., Dvořák J., Sklenička V., Langdon T.: The Characteristics of Creep in Metallic Materials Processed by Severe Plastic Deformation. Mater. Trans. 60 (2019) 1506-1517

Blum W., Dvořák J., Král P., Eisenlohr P., Sklenička V.: Strain Rate Contribution due to Dynamic Recovery of Ultrafine-Grained Cu-Zr as Evidenced by Load Reductions during Quasi-Stationary Deformation at 0.5 Tm. Metals 9 (2019) 1150

Blum W., Dvořák J., Král P., Eisenlohr P., Sklenička V.: Quasi-Stationary Strength of ECAP-Processed Cu-Zr at 0.5 Tm. Metals 9 (2019) 1149

Kunčická L., Král P., Dvořák J., Kocich R.: Texture Evolution in Biocompatible Mg-Y-Re Alloy After Friction Stir Processing. Metals 9(11) (2019) 1181

Kvapilová M., Sklenička V., Král P., Dvořák J.: High Temperature Creep Properties of Cast Cobalt-Based Superalloys: A Comparison. Procedia Struct. Integr. 8 (2019) 39-44

Dvořák J., Sklenička V., Král P., Kvapilová M., Svobodová M., Šifner J., Koula V.: DETEKCE PORUCH POMOCÍ AKUSTICKÉ EMISE (AE) V PODMÍNKÁCH VYSOKOTEPLOTNÍHO CREEPU. Zvyšování životnosti komponent energetických zařízení v elektrárnách 14 (2019) 75-80

Kvapilová M., Dvořák J., Král P., Hrbáček K., Sklenička V.: Creep behaviour and life assessment of a cast nickel - base superalloy MAR - M247. High Temp. Mater. Proc. 38 (2019) 590-600

Kunčická L., Král P., Dvořák J., Kocich R.: WE43 BIOCOMPATIBLE ALLOY AFTER SEVERE PLASTIC DEFORMATION: STRUCTURE CHARACTERIZATION. METAL 2019 Conf. Proc. 1 (2019) 1284-1290



2018

Sklenička V., Kuchařová K., Svobodová M., Král P., Kvapilová M., Dvořák J.: The effect of a prior short-term ageing on mechanical and creep properties of P92 steel. Mater. Character. 136 (2018) 388-397

Blum W., Dvořák J., Král P., Sklenička V.: Dynamic grain coarsening in creep of pure Cu at 0.42Tm after predeformation by ECAP. Mater. Sci. Eng. A 731 (2018) 520-529

Dvořák J., Král P., Kvapilová M., Hrbáček K., Sklenička V.: HIGH - TEMPERATURE CREEP BEHAVIOUR OF CAST COBALT-BASE SUPERALLOYS. METAL 2018 Conf. Proc. 2018 (2018) 530-535

Sklenička V., Kuchařová K., Kvapilová M., Kloc L., Dvořák J., Král P.: Interrelationship between Creep Deformation and Damage for Advanced Creep-Resistant Steels. Key Eng. Mater. 774 (2018) 119-124

Kvapilová M., Podhorná B., Dvořák J., Král P., Zýka J., Hrbáček K., Sklenička V.: Creep Damage Mechanisms in Cast Cobalt Superalloys for Applications in Glass Industry. Key Eng. Mater. 774 (2018) 173-178

Král P., Dvořák J., Sklenička V., Masuda T., Horita Z., Kuchařová K., Kvapilová M., Svobodová M.: The Effect of Ultrafine-Grained Microstructure on Creep Behaviour of 9% Cr Steel. Materials 11 (2018) 787

Sklenička V., Kvapilová M., Král P., Dvořák J., Svoboda M., Podhorná B., Zýka J., Hrbáček K., Joch A.: Degradation processes in high-temperature creep of cast cobalt-based superalloys. Mater. Character. 144 (2018) 479-489



2017

Blum W., Král P., Dvořák J., Petrenec M., Eisenlohr P., Sklenička V.: In situ study of thermally activated flow and dynamic restoration of ultrafine-grained pure Cu at 373 K. J. Mater. Res. 32 (2017) 1-8

Sklenička V., Kuchařová K., Kvapilová M., Svoboda M., Král P., Dvořák J.: Creep properties of simulated heat-affected zone of HR3C austenitic steel. Mater. Character. 128 (2017) 238-247

Sklenička V., Kuchařová K., Král P., Kvapilová M., Dvořák J.: Applicability of empirical formulas and fractography for assessment of creep life and creep fracture modes of tempered martensitic 9%Cr steel. Kovové materiály 55 (2017) 69-80

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

Král P., Sklenička V., Kuchařová K., Svobodová M., Kvapilová M., Dvořák J.: Development of Creep Damage in Similar Weld Joints of P92 Steel Pipe. Solid State Phenom. 270 (2017) 162-167

Král P., Dvořák J., Kvapilová M., Blum W., Sklenička V.: The influence of long-term annealing at room temperature on creep behaviour of ECAP-processed copper. Mater. Lett. 188 (2017) 235-238

Sklenička V., Kuchařová K., Kvapilová M., Král P., Dvořák J.: Combination of Experiments and Continuum Damage Mechanics Approach for Prediction of Creep Fracture in an Advanced 9%Cr Steel. Solid State Phenom. 258 (2017) 591-594

Král P., Blum W., Dvořák J., Eisenlohr P., Petrenec M., Sklenička V.: Dynamic restoration of severely predeformed, ultrafine-grained pure Cu at 373 K observed in situ. Mater. Character. 134 (2017) 329-334

Sklenička V., Kuchařová K., Dvořák J., Kvapilová M., Král P.: Creep Damage Tolerance Factor delta of Selected Creep-Resistant Steels. Key Eng. Mater. 754 (2017) 47-50



2016

Král P., Dvořák J., Jäger A., Kvapilová M., Horita Z., Sklenička V.: Creep properties of aluminium processed by ECAP. Kovové materiály 54 (2016) 441-451

Křižík P., Balog M., Nosko M., Riglos M., Dvořák J., Bajana O.: Ultrafine-grained Al composites reinforced with in-situ Al3Ti filaments. Mater. Sci. Eng. A 657 (2016) 6-14

Sklenička V., Kuchařová K., Kvapilová M., Král P., Dvořák J.: Creep Damage and Fracture in Advanced Tungsten Modified 9%Cr Ferritic Steel. Key Eng. Mater. 713 (2016) 183-186

Král P., Dvořák J., Blum W., Kudryavtsev E., Zherebtsov S., Salischev G., Kvapilová M., Sklenička V.: Creep study of mechanisms involved in low-temperature superplasticity of UFG Ti-6Al-4V processed by SPD. Mater. Character. 116 (2016) 84-90

Betekhtin V., Kolobov Y., Golosová O., Dvořák J., Sklenička V., Kardashev B., Narykova M., Ivanov M.: Elastic modulus, microplastic properties and durability of titanium alloys for biomedical applications. Rev. Adv. Mater. Sci 45 (2016) 42-51

Blum W., Dvořák J., Král P., Eisenlohr P., Sklenička V.: Effects of Grain Refinement by ECAP on the Deformation Resistance of Al Interpreted in Terms of Boundary-Mediated Processes. J. Mater. Sci. Technol. 32 (2016) 1309-1320



2015

Betekhtin V., Kolobov Y., Sklenička V., Kadomtsev A., Narykova M., Dvořák J., Golosov E., Kardashev B., Kuz menko I.: Effect of a defect structure on the static and long-term strength of submicrocrystalline VT1-0 titanium fabricated by plastic deformation during screw and lengthwise rolling. Tech. Phys. 60 (2015) 66-71

Betekhtin V., Dvořák J., Kadomtsev A., Kardashev B., Narykova M., Raab G., Sklenička V., Faizová S.: Durability and static strength of microcrystalline titanium VT1-0 obtained by equal-channel angular pressing. Technical Phys. Lett. 41 (2015) 80-82

Blum W., Dvořák J., Král P., Eisenlohr P., Sklenička V.: Correct Interpretation of Creep Rates: A Case Study of Cu. J. Mater. Sci. Technol. 31 (2015) 1065-1068



2014

Sklenička V., Král P., Dvořák J., Kvapilová M., Svoboda M.: Microstructure evolution and creep behavior in ECAP processed metallic materials. Mater. Sci. Forum 783-786 (2014) 2689-2694

Blum W., Dvořák J., Král P., Eisenlohr P., Sklenička V.: What is stationary deformation of pure Cu?. J. Mater. Sci. 49 (2014) 2987-2997

Blum W., Dvořák J., Král P., Eisenlohr P., Sklenička V.: Effect of grain refinement by ECAP on creep of pure Cu. Mater. Sci. Eng. A 590 (2014) 423-432

Buršík J., Král P., Svoboda M., Dvořák J., Sklenička V.: Nanoindentation and microstructural study of Cu-Co alloys after severe plastic deformation. Key Eng. Mater. 592-593 (2014) 720-723

Buršík J., Buršíková V., Svoboda M., Král P., Dvořák J., Sklenička V.: Microstructure and local mechanical properties of Cu-Co alloys after severe plastic deformation. Key Eng. Mater. 586 (2014) 100-103

Kvapilová M., Dvořák J., Král P., Svoboda M., Sklenička V.: Application of the Monkman-Grant Relationship for Ultrafine-Grained Metallic Materials. Key Eng. Mater. 577-578 (2014) 137-140



2013

Dvořák J., Sklenička V., Betekhtin V., Kadomtsev A., Král P., Kvapilová M., Svoboda M.: The effect of high hydrostatic pressure on creep behaviour of pure Al and a Cu-0.2 wt% Zr alloy processed by ECAP. Mater. Sci. Eng. A 584 (2013) 103-113

Král P., Dvořák J., Zherebtsov S., Salischev G., Kvapilová M., Sklenička V.: Effect of severe plastic deformation on creep behaviour of a Ti-6Al-4V alloy. J. Mater. Sci. 13 (2013) 4789-4795



2011

Král P., Dvořák J., Kvapilová M., Svoboda M., Beneš V., Ponížil P., Šedivý O., Sklenička V.: Quantitative Characterization of Microstructure in Copper Processed by ECAP. Mater. Sci. Forum 667-669 (2011) 235-240

Kvapilová M., Sklenička V., Dvořák J., Král P.: An Evaluation of Creep Mechanisms in Ultrafine-Grained Metals. Key Eng. Mater. 465 (2011) 382-385


Number of ProjectName
TK03020089 Acoustic Emission Diagnostics of Pipeline Systems Damage designed for Residual Life Estimation
20-14450J The damage evolution in ultrafine-grained metals and alloys under fatigue and creep loading
8/12 AS CR - RAS Microstructural features and mechanical properties of nanocrystalline titanium
KJB200410801 Study of nano-structure materials consolidated from powder compacts by ECAP technique