Institute of Physics of Materials AS CR, v. v. i. > Projects > Influence of material properties of high strength steels on durability of engineering structures and bridges

Influence of material properties of high strength steels on durability of engineering structures and bridges

Investigatordoc. Ing. Stanislav Seitl, Ph.D.
Number of Project21-14886S
Internal Project Number321050
AgencyGrantová agentura České republiky
Duration2021-07-01 - 2024-06-30

Anotace
The aim of the project is to provide new findings on the material properties, durability and reliability of selected types of load bearing structural members made of HSS and develop reliable, theoretically based simulation tools for time-dependent analysis of the durability and reliability of members of load bearing engineering structures and bridges exposed to repeated loading. The phenomena of fatigue damage having regard to corrosion will be examined using experiments and stochastic and numerical simulations. New alternative approaches based on the Scalable Probabilistic Approximation method will be developed, which will make it possible to evaluate the fatigue resistance of corrosion-damaged details without the need for destructive sampling. New computer models and numerical methods for time dependent durability and reliability analysis will be developed. In contrast to commonly used ad-hoc approaches to solving problems of the service life of new and existing structures, the uniqueness of the proposed project lies in the merging of all named aspects into an integrated framework.


2025

Brožovský J., Krejsa M., Lehner P., Pařenica P., Seitl S.: Stochastic modeling of structural fatigue damage in high strength steel structures. Frattura ed Integrita Strutturale 19 (2025) 273-284

Doubek P., Kumpová I., Malíková (Šestáková) L., Al Khazali M., Seitl S.: Determination of the geometric parameters of the defects based on the tomographically obtained data and their influence on the fatigue behavior of the S960 with laser cladded protective layers. Frattura ed Integrita Strutturale 71 (2025) 67-79



2024

Al Khazali M., Malíková (Šestáková) L., Křivý V., Seitl S.: Enhancing weld joint integrity in S460 high-strength steel plates: An experimental approach. Juniorstav 2024 1 (2024) 1-8

Malíková (Šestáková) L., Benešová A., Al Khazali M., Seitl S.: Fatigue behavior of high strength steels under various levels of corrosion. Procedia Struct. Integr. 52 (2024) 376-381

Klusák J., Fintová S., Kozáková K., Jambor M., Seitl S.: Risk volume effect in very high cycle fatigue of 304L stainless steel. Int. J. Fatigue 178 (2024) 108016

Malíková (Šestáková) L., Benešová A., Al Khazali M., Seitl S.: Corrosion vs. fatigue in a high-strength steel specimen investigated via FEM. Procedia Struct. Integr. 58 (2024) 68-72

Kozáková K., Klusák J., Fintová S.: The length parameter for gigacycle fatigue life predictions of notched specimens made of 304L steel. Int. J. Fatigue 178 (2024) 107980

Kozáková K., Klusák J.: Fatigue lifetime predictions of notched specimens based on the critical distance and stress concentration factors. Theor. Appl. Fract. Mech. 133 (2024) 104579

Malíková (Šestáková) L., Doubek P., Křivý V., Seitl S.: I+II mixed mode fatigue crack propagation under combination of tensile loading and corrosion in a HSS specimen . Procedia Struct. Integr. 58 (2024) 17-22

Seitl S., Al Khazali M., Malíková (Šestáková) L.: Appropriate cumulative fatigue damage models for fatigue life estimation applied to high-strength steels. Kovové materiály 62 (2024) 41-51

Malíková (Šestáková) L., Miarka P.: Fatigue crack propagation near a corrosion pit in a HSS specimen. Theor. Appl. Fract. Mech. 129 (2024) 104214

Doubek P., Kozáková K., Kunz L., Seitl S.: Fatigue life of S960 high strength steel with laser cladded functional surface layers. Eng. Fail. Anal. 164 (2024) 108629



2023

Doubek P., Malíková (Šestáková) L., Miarka P., Seitl S.: Laser cladded protective layer on the S960 change of microhardness in the vicinity of the bi-material interface. Procedia Struct. Integr. 43 (2023) 101-106

Kozáková K., Klusák J.: Prediction of the fatigue life of notched specimens: The influence of the surface quality produced by machining. Procedia Struct. Integr. 43 (2023) 178-183

Malíková (Šestáková) L., Juhászová T., Doubek P., Krejsa M., Seitl S.: Influence of a corrosion pit on behavior of a nearby crack. AIP Conference Proceedings 2848 (2023) 020003

Kozáková K., Klusák J., Fintová S., Seitl S.: The effect of risk volume on the fatigue life of stainless steels subjected to high-frequency loading. Procedia Struct. Integr. 51 (2023) 145-151

Malíková (Šestáková) L., Doubek P., Juhászová T., Krejsa M., Seitl S.: Fatigue crack propagation under corrosion of high-strength steel. Procedia Struct. Integr. 43 (2023) 264-269

Malíková (Šestáková) L., Benešová A., Al Khazali M., Seitl S.: Stress concetration factor on a corrosion pit. Trans. VSB TU Ostrava Ser. 23 (2023) 27-30

Juhászová T., Miarka P., Seitl S.: Comparison of crack growth rates of IPE beams made from stainless steel in three-point bending. Procedia Struct. Integr. 51 (2023) 213-218



2022

Malíková (Šestáková) L., Miarka P., Doubek P., Seitl S.: Influence of the interphase between laser-cladded metal layer and steel substrate on the fatigue propagation of a short edge crack. Frattura ed Integrita Strutturale 59 (2022) 514-524

Kozáková K., Klusák J.: Determination of critical length parameter for fatigue lifetime predictions of notched specimens. Trans. VSB TU Ostrava Ser. 22 (2022) 16-21

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

Doubek P., Malíková (Šestáková) L., Seitl S.: Analysis of the material properties in the vicinity of bi-material interface made by the laser cladded protective layer on the S960. Procedia Struct. Integr. 42 (2022) 1529-1536

Malíková (Šestáková) L., Doubek P., Juhászová T., Seitl S.: Fracture Parameters of a Perpendicular Crack With its Tip Close to a Corrosion Pit. Trans. VSB TU Ostrava Ser. 22 (2022) 30-34

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



2021

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