Institute of Physics of Materials AS CR, v. v. i. > People > Klusák Jan

doc. Ing. Jan Klusák, Ph.D.

Room118
Phone number+420 532 290 348
E-mail[javascript protected email address]
Researcher IDK-4682-2012
Positionresearcher - Special Issues of Fracture Mechanics and Materials‘ Fatigue (FRACTIGUE)

Personal information
  • 1993-1998 Master Studies Brno University of Technology, Faculty of Mechanical Engineering
  • 1998-2002 Postgraduate Studies Brno University of Technology, Faculty of Mechanical Engineering and Institute of Physics of Materials
  • Since 1998 IPM AS CR Researcher in the group Special Issues of Fracture Mechanics and Materials‘ Fatigue (FRACTIGUE) at IPM AS CR
Researcher ID: K-4682-2012
ORCID: 0000-0002-5422-4793

Scientific interest
Study of the fracture mechanics of general singular stress concentrators. Formulation of stability criteria of a V-notch, a bi-material notch and sharp material inclusion and their application to service life estimation. Study of the singular stress concentrators in isotropic and orthotropic materials. Numerical modelling and calculations of fracture-mechanics parameters of structures with stress concentrators and life-time estimation. Study of materials properties in regime of high-cycle and giga-cycle fatigue.


2023


Klusák J., Kozáková K., Jambor M., Seitl S.: Fatigue behavior of DIN 1.4307 and DIN 1.4306 stainless steels under high frequency loading. Procedia Struct. Integr. 43 (2023) 142-147



2022

Kozáková K., Fintová S., Klusák J.: Fatigue life of notches: an effect of manufacturing. Procedia Struct. Integr. 42 (2022) 270-275

Malíková (Šestáková) L., Doubek P., Juhászová T., Klusák J., Seitl S.: Interaction of a fatigue crack and a corrosion dimple in a high-strength steel specimen. Procedia Struct. Integr. 42 (2022) 1082-1089

Klusák J., Kopp D.: The role of the surface in crack initiation in sharp and bi-material notches. Structural. Integr. 24 (2022) 315-321

Seitl S., Benešová A., Blasón Gonzáles S., Miarka P., Klusák J., Bílek V.: Advanced statistical evaluation of fatigue data obtained during the measurement of concrete mixtures with various water-cement ratio. Engineering mechanics 2022 1 (2022) 361-364

Klusák J., Kozáková K., Fintová S., Seitl S.: Fatigue lifetimes of 1.4306 and 1.4307 stainless steels subjected to ultrasonic loading. Procedia Struct. Integr. 42 (2022) 1369-1375

Kozáková K., Klusák J.: Fracture mechanics assessment of notches subjected to very high-cycle fatigue loading. Structural. Integr. 24 (2022) 299-305

Vyhlídal M., Klusák J.: Numerical study of specimen with steel inclusion: Influence of interfacial transition zone. Procedia Struct. Integr. 42 (2022) 1000-1007

Seitl S., Pokorný P., Klusák J., Duda S., Lesiuk G.: Effect of specimen thickness on fatigue crack growth resistance in Paris region in AISI 304 steel. Structural. Integr. 24 (2022) 291-297



2021

Kozáková K., Klusák J.: The Prediction of Fatigue Life of Notched Specimens. Trans. VSB TU Ostrava Ser. 21 (2021) 29-35

Klusák J., Kopp D.: 3D assessment of surface influence on crack initiation in sharp notches under a mixed mode of loading. Theor. Appl. Fract. Mech. 112 (2021) 102920

Klusák J., Horník V., Lesiuk G., Seitl S.: Comparison of high- and low-frequency fatigue properties of structural steels S355J0 and S355J2. Fatigue Fract. Eng. Mater. Struct. 44 (2021) 3202-3213



2020

Vyhlídal M., Klusák J.: A crack approaching the edge of the aggregate. Trans. VSB TU Ostrava Ser. 20 (2020) 47-52

Seitl S., Pokorný P., Miarka P., Klusák J., Kala Z., Kunz L.: Comparison of fatigue crack propagation behaviour in two steel grades S235, S355 and a steel from old crane way. MATEC Web Conf. 310 (2020) 34

Jambor M., Trško L., Klusák J., Fintová S., Kajánek D., Nový F., Bokůvka O.: Effect of Severe Shot Peening on the Very-High Cycle Notch Fatigue of an AW 7075 Alloy. Metals 10 (2020) 1262



2019

Krepl O., Klusák J.: Multi-parameter failure assessment of a bi-material V-notch-Crack initiation from a free-edge singularity. Theor. Appl. Fract. Mech. 100 (2019) 233-241

Vyhlídal M., Klusák J.: The influence of polygonal cavity on fracture behaviour of concrete. Procedia Struct. Integr. 17 (2019) 690-697

Seitl S., Miarka P., Pokorný P., Klusák J.: Influence of corrosion on fatigue behaviour of old crane runway steel. J. Strain Anal. for Engin. Design 54 (2019) 416-423

Klusák J., Seitl S.: Very high cycle fatigue tests of high strength steels S355 J0 and S355 J2. Procedia Struct. Integr. 17 (2019) 576-581

Klusák J., Krepl O., Profant T.: An easy and engineering stability criterion of general singular stress concentrators. Theor. Appl. Fract. Mech. 104 (2019) 102341

Profant T., Hrstka M., Klusák J.: An asymptotic analysis of crack initiation from an interfacial zone surrounding the circular inclusion. Composite Struct. 208 (2019) 479-497

Profant T., Hrstka M., Klusák J.: Microcrack interaction with circular inclusion and interfacial zone. Frattura ed Integrita Strutturale 48 (2019) 503-512



2018

Malíková (Šestáková) L., Klusák J.: Multi-Parameter Fracture Mechanics: Crack Approaching a Bi-Material Interface. Key Eng. Mater. 784 (2018) 79-84

Malíková (Šestáková) L., Klusák J.: Influence of the Interfacial Transition Zone on crack behavior in a matrix/aggregate system. Procedia Struct. Integr. 13 (2018) 1798-1803

Seitl S., Miarka P., Klusák J., Kala Z., Krejsa M., Blasón Gonzáles S., Canteli A.: Evaluation of fatigue properties of S355 J0 steel using ProFatigue and ProPagation software. Procedia Struct. Integr. 13 (2018) 1494-1501

Klusák J., Krepl O.: Multi-parameter average strain energy density factor criterion applied on the bi-material notch problem. Procedia Struct. Integr. 13 (2018) 1261-1266

Krepl O., Klusák J.: Multi-parameter average strain energy density factor criterion applied on the sharp material inclusion problem. Procedia Struct. Integr. 13 (2018) 1279-1284

Seitl S., Miarka P., Pokorný P., Fintová S., Klusák J.: Influence of Micro-Structure on the Fatigue Crack Propagation in Bridge Steel. Proceedings 2 (2018) 1-6

Seitl S., Miarka P., Klusák J., Fintová S., Kunz L.: Comparison of the Fatigue Crack Propagation Rates in S355 J0 and S355 J2 Steel Grades. Key Eng. Mater. 784 (2018) 91-96



2017

Šimonová H., Vyhlídal M., Kucharczyková B., Bayer P., Keršner Z., Malíková (Šestáková) L., Klusák J.: Modelling of interfacial transition zone effect on resistance to crack propagation in fine-grained cement-based composites. Frattura ed Integrita Strutturale 41 (2017) 211-219

Krepl O., Klusák J.: Crack onset assessment near the sharp material inclusion tip by means of modified maximum tangential stress criterion. Frattura ed Integrita Strutturale 42 (2017) 66-73

De Corte W., Helincks P., Boel V., Klusák J., Seitl S., De Schutter G.: Generalised fracture mechanics approach to the interfacial failure analysis of a bonded steel-concrete joint. Frattura ed Integrita Strutturale 42 (2017) 147-160

Krepl O., Klusák J.: The influence of non-singular terms on the precision of stress description near a sharp material inclusion tip. Theor. Appl. Fract. Mech. 90 (2017) 85-99

Malíková (Šestáková) L., Klusák J., Keršner Z.: Assessment of Crack Stability in a Quasi-brittle Particle Composite. Procedia Eng. 190 (2017) 49-53



2016

Krepl O., Klusák J.: Reconstruction of a 2D stress field around the tip of a sharp material inclusion. Procedia Struct. Integr. 2 (2016) 1920-1927

Klusák J., Krepl O., Profant T.: Behaviour of a crack in a corner or at a tip of a polygon-like particle. Procedia Struct. Integr. 2 (2016) 1912-1919

Krepl O., Klusák J., Profant T.: Analytical-Numerical Determination of Stress Distribution around a Tip of Polygon-Like Inclusion. Key Eng. Mater. 713 (2016) 94-98



2014

Seitl S., Klusák J., Fernández P., Canteli A.: Thermographic determination methodology: Application on fatigue limit of AL 2024 for R=-1. Key Eng. Mater. 577-578 (2014) 477-480

Seitl S., Klusák J., Fernández P., Canteli A.: Evaluation of conventional Al 2024 fatigue limit in fatigue test using thermographic measurement: Effect of frequency. Adv. Mater. Res. 891-892 (2014) 1308-1313

Profant T., Klusák J., Ševeček O., Kotoul M., Hrstka M., Marcián P.: An effect of the first non-singular term of the Williams asymptotic expansion to the stability of the bi-material orthotropic notch. Key Eng. Mater. 592-593 (2014) 745-748

Klusák J., Hrstka M., Profant T., Krepl O., Ševeček O., Kotoul M.: The influence of the first non-singular stress terms on crack initiation direction in an orthotropic bi-material plate. Theor. Appl. Fract. Mech. 71 (2014) 67-75

Klusák J., Kopp D., Profant T.: Bi-material notches under various normal-shear loading modes. Key Eng. Mater. 577-578 (2014) 361-364



2013

Helincks P., De Corte W., Klusák J., Boel V., De Schutter G.: Experimental investigation of the influence of the bond conditions on the shear bond strength between steel and self- compacting concrete using push-out tests. Key Eng. Mater. 525-526 (2013) 205-208

Klusák J., Profant T., Knésl Z., Kotoul M.: The influence of discontinuity and orthotropy of fracture toughness on conditions of fracture initiation in singular stress concentrators. Eng. Fract. Mech. 110 (2013) 438-447

Klusák J., Helincks P., Seitl S., De Corte W., Boel V., De Schutter G.: The influence of the epoxy interlayer on the assessment of failure conditions of push-out test specimens. Key Eng. Mater. 525-526 (2013) 61-64

Profant T., Klusák J., Ševeček O., Hrstka M., Kotoul M.: An energetic criterion for a micro-crack of finite length initiated in orthotropic bi-material notches. Eng. Fract. Mech. 110 (2013) 396-409

Profant T., Klusák J., Ševeček O., Kotoul M.: On the direction of a crack initiated from an orthotropic bi-material notch composed of materials with non-uniform fracture mechanics properties. Key Eng. Mater. 525-526 (2013) 545-548



2012

Klusák J., Seitl S., De Corte W., Helincks P., Boel V., De Schutter G.: Failure conditions from push out tests of a steel-concrete joint: fracture mechanics approach. Key Eng. Mater. 488-489 (2012) 710-713

Kunz L., Lukáš P., Klusák J.: Fatigue Strength of Weathering Steel. Mater. Sci. 18 (2012) 18-22

Helincks P., De Corte W., Klusák J., Seitl S., Boel V., De Schutter G.: Failure conditions from push-out tests of a steel-concrete joint: experimental results. Key Eng. Mater. 488-489 (2012) 714-717

Klusák J., Profant T., Kotoul M.: Conditions for crack initiation in an orthotropic bi-material notch. Mech. Adv. Mat. Struct. 19 (2012) 302-307

Klusák J., Profant T., Ševeček O., Kotoul M.: Crack propagation from bi-material notches - matched asymptotic procedure. Key Eng. Mater. 488-489 (2012) 416-419

Korbel J., Zant N., Klusák J., Knésl Z.: Fracture analysis of epoxy-aluminum spacers exposed to pressure loads. Theor. Appl. Fract. Mech. 64 (2012) 244-247



2011

Profant T., Klusák J., Kotoul M.: Case Criterion of Crack Onset in Orthotropic Bi-material Notches. Key Eng. Mater. 465 (2011) 157-160

Seitl S., Klusák J., Veselý V., Řoutil L.: Wedge-Splitting Test - Determination of Minimal Starting Notch Length for Various Cement Based Composites Part II: Crack and Notch Fracture Mechanics Approaches. Key Eng. Mater. 452-453 (2011) 81-84

Klusák J., Knésl Z.: Case Study of Crack Initiation from Bi-material Notches. Key Eng. Mater. 452-453 (2011) 449

Profant T., Klusák J., Kotoul M.: On the Crack Initiated From the Bi-material Notch Tip. Key Eng. Mater. 452-453 (2011) 441-444



2010

Klusák J., Profant T., Kotoul M.: Determination of the threshold values of orthotropic bi-material notches. Procedia Eng. 2 (2010) 1635-1642

Klusák J., Knésl Z.: Reliability assessment of a bi-material notch: Strain energy density factor approach. Theor. Appl. Fract. Mech. 53 (2010) 89-93



2007

Klusák J., Knésl Z.: Determination of crack initiation direction from a bi-material notch based on the strain energy density concept. Comp. Mater. Sci. 39 (2007) 214-218


Number of ProjectName
4000138900/22/NL/GP/gg Characterisation of Thermal and Mechanical Performance of SIM Cryostat Straps
CZ.01.1.02/0.0/0.0/20_321/0024649 Ultrasonic devices for gigacycle fatigue testing of materials
8J20AT013 Integrity and durability aspects of recycled aggregates composites (InDuRAC)
16-18702S AMIRI − Aggregate-Matrix-Interface Related Issues in silicate-based composites
CZ.1.07/2.3.00/45.0040 Science Academy - critical thinking and practical application of scientific and technical knowledge in real life
P108/10/2049 Crack initiation and propagation from interface-related singular stress concentrators
101/08/0994 Determination of conditions of failure initiation in bi-material wedges composed of two orthotropic materials
106/03/P054 Linear Elastic Fracture Mechanics of Bi-material notches