Institute of Physics of Materials AS CR, v. v. i. > People > Dymáček Petr

Ing. Petr Dymáček, Ph.D.

Room204, 131
Phone number+420 532 290 411, +420 532 290 380
E-mail[javascript protected email address]
Researcher IDF-9757-2014
Positionresearcher - Advanced High-temperature Materials Group


2024

Paška Z., Halama R., Dymáček P., Govindaraj B., Rojíček J.: Comparison of tensile and creep properties of SAC305 and SACX0807 at room temperature with DIC application. Applied Sciences 14 (2024) 604



2023

Gamanov Š., Luptáková N., Bořil P., Jarý M., Mašek B., Dymáček P., Svoboda J.: Mechanisms of plastic deformation and fracture in coarse grained Fe-10Al-4Cr-4Y2O3 ODS nanocomposite at 20-1300°C. Journal of Materials Research and Technology 24 (2023) 4863-4874

Svoboda J., Kocich R., Gamanov Š., Kunčická L., Luptáková N., Dymáček P.: Processing window for hot consolidation by rolling and rotary swaging of Fe-10Al-4Cr-4Y2O3 ODS nanocomposite. Materials Today Communications 34 (2023) 105393

Neuberger H., Hernandez F., Rieth M., Bonnekoh C., Stratil L., Dlouhý I., Dymáček P., Müller O., Adler L., Kunert U.: Cold Spray metal powder deposition with 9 %Cr-steel applied for the HCPB First Wall fabrication: Proof of concept and options for ODS steel processing. Nucl. Mater. Energy 35 (2023) 101427

Dobeš F., Dymáček P.: Creep behavior of squeeze-cast Mg-15Gd alloy. Crystals 13 (2023) 374



2022

Svoboda J., Gamanov Š., Bártková D., Luptáková N., Bořil P., Jarý M., Mašek B., Holzer J., Dymáček P.: The Optimization of Mechanical Alloying Conditions of Powder for the Preparation of a Fe-10Al-4Cr-4Y2O3 ODS Nanocoposite. Materials 15 (2022) 9034

Svoboda J., Bořil P., Holzer J., Luptáková N., Jarý M., Mašek B., Dymáček P.: Substantial Improvement of High Temperature Strength of New-Generation Nano-Oxide-Strengthened Alloys by Addition of Metallic Yttrium. Materials 15 (2022) 15020504

Dymáček P., Kocich R., Kunčická L., Jarý M., Luptáková N., Holzer J., Mašek B., Svoboda J.: Processing of top creep and oxidation resistant Fe-Al based ODS alloys. Procedia Struct. Integr. 42 (2022) 1576-1583



2021

Li Y., Dymáček P., Hurst R., Stevens P.: A novel metodology for determining creep crack initiation and growth properties using FEM with notched small punch specimens. Theor. Appl. Fract. Mech. 116 (2021) 103112



2020

Stratil L., Horník V., Dymáček P., Roupcová P., Svoboda J.: The Influence of Aluminum Content on Oxidation Resistance of New-Generation ODS Alloy at 1200°C. Metals 10 (2020) 1478

Svoboda J., Luptáková N., Jarý M., Dymáček P.: Influence of Hot Consolidation Conditions and Cr-Alloying on Microstructure and Creep in New-Generation ODS Alloy at 1100 °C. Materials 13 (2020) 5070

Dobeš F., Dymáček P., Friák M.: Creep of Heusler-type alloy Fe-25Al-25Co. Crystals 10 (2020) 52

Zhong J., Song M., Guan K., Dymáček P.: Application of a database in the evaluation of strengths of Cr-Mo steels by means of small punch test. Int. J. Mech. Sci. 166 (2020) 105195

Svoboda J., Kunčická L., Luptáková N., ., Dymáček P.: Fundamental Improvement of Creep Resistance of New-Generation Nano-Oxide Strengthened Alloys via Hot Rotary Swaging Consolidation. Materials 13 (2020) 5217

Dobeš F., Dymáček P.: Creep behavior of AJ62 Magnesium-Aluminum-Strontium alloy. J. Magnes. Alloys 8 (2020) 414-420

Dymáček P., Dobeš F., Jarý M., Jirásková Y., Pizúrová N., Friák M.: Small punch testing of Fe-Al based alloys with Ti and Nb additions. IOP Conf. Ser.: Mater. Sci. Eng. 723 (2020) 012006



2019

Dobeš F., Dymáček P., Komazaki S., Li Y.: Towards the development of a universal formula for conversion of Small Punch data to Conventional Creep data. Proc. 10th Japan-China Symp. High Temp. Strength of Mater. - (2019) 370-373

Dobeš F., Dymáček P., Friák M.: The Influence of Niobium Additions on Creep Resistance of Fe-27 at. % Al Alloys. Metals 9 (2019) 739

Dobeš F., Dymáček P., Hasegawa M., Iwashita M.: High-temperature creep of a CoNiCrAlY bond coat alloy. Mater. Sci. Eng. A 759 (2019) 272-277

Luptáková N., Dymáček P., Jarý M., Záležák T.: Failure analysis of a gripping assembly loaded at temperatures above 1000 °C. Eng. Fail. Anal. 96 (2019) 384-393

Kloc L., Sklenička V., Dymáček P.: Transient Effects in Creep of Sanicro 25 Austenitic Steel and Their Modelling. Metals 9 (2019) 245

Dymáček P., Dobeš F., Andrés D.: Notch sensitivity of Sanicro 25 in small punch creep test. Theor. Appl. Fract. Mech. 100 (2019) 383-389

Dymáček P., Svoboda J., Jirková H., Stratil L., Horník V.: Microstructure evolution and creep strength of new-generation oxide dispersion strengthened alloys with high volume fraction of nano-oxides. Procedia Struct. Integr. 17 (2019) 427-433

Weiser A., Buršíková V., Jarý M., Dymáček P., Dugáček J., Frenzel J., Čermák J., Dlouhý A.: Strength of hydrogen-free and hydrogen-doped Ni50Ti50 shape memory platelets . Scr. Mater. 162 (2019) 151-155

Dymáček P., Dobeš F., Jirásková Y., Pizúrová N., Friák M.: Tensile, creep and fracture testing of prospective Fe-Al-based alloys using miniature specimens. Theor. Appl. Fract. Mech. 99 (2019) 18-26

Hasegawa M., Iwashita M., Kubota Y., Dymáček P., Dobeš F.: Microstructure evolution under high temperature deformation of CoNiCrAlY bond coat alloy. Mater. Sci. Eng. A 756 (2019) 237-247

Dymáček P., Bártková D., Horník V., Stratil L., Mašek B., Svoboda J.: New Generation of ODS Alloys. Key Eng. Mater. 810 (2019) 113-118

Dymáček P., Li Y., Dobeš F., Stevens P.: New approach to determine uniaxial creep properties from small punch creep curves. Mater. at High Temp. 36 (2019) 157-164



2018

Holmström S., Li Y., Dymáček P., Vacchieri E., Jeffs S., Lancaster R., Omacht D., Kuboň Z., Anelli E., Rantala J., Tonti A., Komazaki S., Naveena ., Bruchhausen M., Hurst R., Hähner P., Richardson M., Andrés D.: Creep strength and minimum strain rate estimation from Small Punch Creep tests. Mater. Sci. Eng. A 731 (2018) 161-172

Dobeš F., Dymáček P., Friák M.: Force-to-Stress Conversion Methods in Small Punch Testing Exemplified by Creep Results of Fe-Al Alloy with Chromium and Cerium Additions. IOP Conf. Ser.: Mater. Sci. Eng. 461 (2018) 012017

Dymáček P., Jarý M., Dobeš F., Kloc L.: Tensile and Creep Testing of Sanicro 25 Using Miniature Specimens. Materials 11 (2018) 142

Kloc L., Sklenička V., Dymáček P., Plešek J.: New creep constitutive equation for finite element modelling including transient effects. Mech. Mater. 119 (2018) 49-55

Dobeš F., Dymáček P., Friák M.: Small punch creep of Fe-Al-Cr alloy with Ce addition and its relation to uniaxial creep tests. Kovové materiály 56 (2018) 205-212

Kloc L., Dymáček P., Sklenička V.: High temperature creep of Sanicro 25 austenitic steel at low stresses. Mater. Sci. Eng. A 722 (2018) 88-92



2017

Dobeš F., Dymáček P.: Estimation of Anisotropy of Creep Properties in Al and Mg Alloys by Means of Small Punch Test. Key Eng. Mater. 734 (2017) 137-143

Dymáček P., Dobeš F., Kloc L.: Small Punch Testing of Sanicro 25 Steel and its Correlation with Uniaxial Tests. Key Engineering Materials. Key Eng. Mater. 734 (2017) 70-76

Dymáček P., Dobeš F., Kloc L.: Determination of Mechanical Properties of Metallic Materials from Very Small Volumes by Means of Small Punch Test. Key Eng. Mater. 741 (2017) 116-121

Andrés D., Dymáček P., Lacalle R., Alvarez J.: Influence of the Upper Die and of the Indenter Material on the Time to Rupture of Small Punch Creep Tests. Key Eng. Mater. 734 (2017) 119-127



2016

Dymáček P.: Recent developments in small punch testing: Applications at elevated temperatures. Theor. Appl. Fract. Mech. 86 (2016) 25-33

Andrés D., Dymáček P.: Study of the upper die clamping conditions in the small punch test. Theor. Appl. Fract. Mech. 86 (2016) 117-123

Dobeš F., Dymáček P.: Fracture-based correlation of uniaxial and small punch creep data. Theor. Appl. Fract. Mech. 86 (2016) 34-38

Luptáková N., Dymáček P., Pešlová F., Jurkovič Z., Barborák O., Stodola J.: Impact of residual elements on zinc quality in the production of zinc oxide. Metalurgija 55 (2016) 407-410



2015

Dobeš F., Dymáček P., Besterci M.: Estimation of themechanical properties of aluminium and analuminium composite after equal channel angular pressing by means of the small punch test. Mater. Sci. Eng. A 626 (2015) 313-321

Luptáková N., Ballóková B., Dymáček P.: Compressive creep testing of composites on the base of MoSi2 - SiC nanoparticles. Manufact. Technol. 15 (2015) 377-380

Luptáková N., Pizúrová N., Roupcová P., Dymáček P.: High Temperature Degradation of Powder-Processed Ni-based Superalloy. Materials Engineering - Materialove inzinierstvo 22 (2015) 85-94



2014

Luptáková N., Král P., Dymáček P.: The influence of high temperature on the microstructure and properties of a Ni-based superalloy. Powder Metall. Progr. 14 (2014) 190-198

Dobeš F., Dymáček P.: On the correlation of fracture quantities in small punch test. Key Eng. Mater. 592-593 (2014) 275-278



2012

Dobeš F., Besterci M., Ballóková B., Sülleiová K., Dymáček P.: Analysis of creep fracture in Al-Al4C3 composite after ECAP. Mater. Sci. Eng. A 532 (2012) 567-572



2011

Dymáček P.: Short term creep small punch testing of P91 and P92 steels, observations and correlations with the numerical results. Key Eng. Mater. 465 (2011) 179-182



2009

Dymáček P., Milička K.: Creep small-punch testing and its numerical simulations. Mater. Sci. Eng. A 510-511 (2009) 444-449


Number of ProjectName
FW06010572 Development of testing machine (SPC 1300 DLS) for very high temperature (up to 1300°C) creep testing of miniature specimens according to EN 10371 – Metallic materials - small punch test method
TITSSUJB938 Metoda hodnocení integrity tlakové nádoby reaktoru JE VVER-1000 při těžké havárii spojené s tavením jaderného paliva.
IAA 200410801 Numerical modeling of small punch tests on miniaturized specimens from advanced steels for reliable life-time estimation
AV0Z20410507-I052 Numerical simulations of small punch tests on miniature specimens for determination of residual and guaranteed life of heat resistant steels.