Experimental, numerical and analytical investigation of 2D tetra-anti-chiral structure under compressive loads

S Tabacu, RF Negrea, D Negrea - Thin-Walled Structures, 2020 - Elsevier
The present work is focused on the investigation of tetra-anti-chiral structures by means of
experimental, numerical, and analytical methods. Specimens with different lengths of the …

[HTML][HTML] Fatigue probability model for AWJ-cut steel including surface roughness and residual stress

G Hultgren, R Mansour, Z Barsoum, M Olsson - Journal of Constructional …, 2021 - Elsevier
An analytical model for the fatigue probability of abrasive waterjet cut high strength steel as
a function of surface roughness, surface residual stress, tensile strength and number of …

Fatigue strength characterization of high and ultra-high-strength steel cut edges

K Lipiäinen, A Ahola, T Skriko, T Björk - Engineering Structures, 2021 - Elsevier
This paper investigates the fatigue strength characteristics of CO 2 laser, fiber laser and
plasma cut edges of S690 and S1100 steel grades. The effect on fatigue performance of …

Singular spectrum analysis and fuzzy entropy-based damage detection on a thin aluminium plate by using PZTs

H Song, M Xiang, G Lu, T Wang - Smart Materials and Structures, 2022 - iopscience.iop.org
In this research, a new method based on singular spectrum analysis (SSA) and fuzzy
entropy is developed for damage detection on thin wall-like structures, and the normalized …

Parametric study on fatigue behavior of steel friction connections in shear

C Jiang, W Xiong, CS Cai, X Zhou, Y Zhu… - Journal of Constructional …, 2023 - Elsevier
A parametric study on the fatigue behavior of steel friction connections was conducted in this
paper. Fatigue failure mechanism of the connections and two periods of fatigue life were …

[HTML][HTML] Correlation between microstructure and fatigue properties of hot-rolled thick-plate complex-phase steel

N Heshmati, H Sieurin, J Larsson, A Borgenstam… - Materials Science and …, 2023 - Elsevier
Abstract Complex-phase (CP) steels, with a multiphase microstructure, offer an excellent
combination of high strength, ductility, and formability, making them an attractive alternative …

Significant reduction of fatigue crack non-propagation limit caused by damage accumulation mode fatigue crack propagation in a precipitation-hardened punched …

K Zhang, S Hamada, T Yokoi, H Noguchi - Materials Science and …, 2023 - Elsevier
Precipitation-hardened steel exhibits specific characteristics due to the punching process
that deteriorates its strength. To investigate these characteristics, fatigue tests were …

[HTML][HTML] Evaluation of geometrical notch and quality effects in the fatigue strength assessment of ultra-high-strength steel cut edges

K Lipiäinen, S Afkhami, A Ahola, T Björk - Structures, 2022 - Elsevier
Experimental fatigue tests were performed for the S960 and S1100 steel grades laser cut
notched geometries in this study. Fatigue test results were analyzed with the conventional …

[HTML][HTML] Microstructural influences on simultaneous strength and fatigue crack resistance in advanced high-strength steels

N Heshmati, M Hoseini-Athar, A Borgenstam… - International Journal of …, 2024 - Elsevier
In this study, we investigate the relation between microstructure and fatigue crack
propagation mechanisms in three commercial hot-rolled thick-plate advanced high-strength …

[HTML][HTML] Failure mechanisms of mechanically and thermally produced holes in high-strength low-alloy steel plates subjected to fatigue loading

C Jiménez-Peña, C Goulas, J Preußner, D Debruyne - Metals, 2020 - mdpi.com
High-strength low-alloy steels (HSLA) are gaining popularity in structural applications in
which weight reduction is of interest, such as heavy duty machinery, bridges, and offshore …