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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Seitl, Stanislav
Brno University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024COMPARISON OF FATIGUE CRACK PROPAGATION RATES IN HIGH STRENGTH STEEL S460, S690 & S960 UNDER STRESS RATIO R = 0.1
- 2024Comparison of crack growth rates of IPE beams made from stainless steel in three-point bending
- 2024Determination 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
- 2023Fatigue crack propagation under corrosion of high-strength steelcitations
- 2023Comparison of crack propagation rates in selected structural components made from AISI 304 grades: Three-point bending testcitations
- 2022Determination of fatigue crack growth in the near-threshold regime using small-scale specimenscitations
- 2022Estimation of the Plastic Zone in Fatigue via Micro-Indentationcitations
- 2022Experimental and Numerical simulation of a Three Point Bending Test of a Stainless Steel Beam ; Experimentální a numerická simulace tříbodového ohybového testu nosníku z nerezové ocelicitations
- 2022Influence of the interphase between laser-cladded metal layer and steel substrate on the fatigue propagation of a short edge crackcitations
- 2021Comparison of fracture toughness values of normal and high strength concrete determined by three point bend and modified disk-shaped compact tension specimens
- 2021Estimation of the Plastic Zone in Fatigue via Micro-Indentationcitations
- 2021Experimental and Numerical simulation of a Three Point Bending Test of a Stainless Steel Beamcitations
- 2020Determining fracture energy parameters of concrete from the modified compact tension test ; Určování parametru lomové energie betonu z modifikované zkoušky excentrickým tahemcitations
- 2020Estimation of the crack propagation direction in a mixed-mode geometry via multi-parameter fracture criteria ; Odhad směru šíření trhliny pomocí víceparametrových lomových kritérií v geometrii zatížené kombinovaným módemcitations
- 2018Influence of the gripping fixture on the modified compact tension test results: evaluation of the experiments on cylindrical concrete specimens ; Vliv uchycení na výsledky modifikované zkoušky excentrickým tahem: vyhodnocení experimentů na válcových betonových tělesech
- 2016Self-compacting concrete, protecting steel reinforcement under cyclic load : evaluation of fatigue crack behaviorcitations
- 2015Determining fracture energy parameters of concrete from the modified compact tension testcitations
- 2013The influence of the epoxy interlayer on the assessment of failure conditions of push-out test specimens
- 2013Experimental study of the influence of the initial notch length in cubical concrete wedge-splitting test specimenscitations
Places of action
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article
Estimation of the Plastic Zone in Fatigue via Micro-Indentation
Abstract
Accurate knowledge of the plastic zone of fatigue cracks is a very direct and effective way to quantify the damage of components subjected to cyclic loads. In this work, we propose an ultra-fine experimental characterisation of the plastic zone based on Vickers micro-indentations. The methodology is applied to different compact tension (CT) specimens made of aluminium alloy 2024-T351 subjected to increasing stress intensity factors. The experimental work and sensitivity analysis showed that polishing the surface to #3 mu m surface finish and applying a 25 g-force load for 15 s produced the best results in terms of resolution and quality of the data. The methodology allowed the size and shape of both the cyclic and the monotonic plastic zones to be visualised through 2D contour maps. Comparison with Westergaard's analytical model indicates that the methodology, in general, overestimates the plastic zone. Comparison with S355 low carbon steel suggests that the methodology works best for alloys exhibiting a high strain hardening ratio.