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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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Madia, Mauro
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (31/31 displayed)
- 2023Burst speed assessment of aero-engine turbine disk based on failure assessment diagram and global stability criterioncitations
- 2023Influence of post-process heat treatments on the fatigue crack propagation behaviour of a PBF-LB/M AlSi10Mg alloycitations
- 2023Extension of the peak stress method to estimate the fatigue limit of welded joints by means of the cyclic R-curve methodcitations
- 2022Progress in the measurement of the cyclic R-curve and its application to fatigue assessmentcitations
- 2022Determination of fatigue crack growth in the near-threshold regime using small-scale specimenscitations
- 2022Determination of fatigue crack growth in the near-threshold regime using small-scale specimenscitations
- 2022Comparison of the fatigue behavior of wrought and additively manufactured AISI 316Lcitations
- 2022Recent developments in the determination of fatigue crack propagation thresholdscitations
- 2022Robust determination of fatigue crack propagation thresholds from crack growth datacitations
- 2022The use of effective fatigue crack propagation data obtained at closure-free conditions for component assessment
- 2022The effect of the environmental conditions on the threshold against fatigue crack propagationcitations
- 2022Investigation of residual stresses and microstructure effects on the fatigue behaviour of a L-PBF AlSi10Mg alloycitations
- 2022Estimation of the Kitagawa-Takahashi diagram by cyclic R curve analysiscitations
- 2022Determination of fatigue crack propagation thresholds using small-scale specimenscitations
- 2022Comparison between PSM and IBESS approaches for the fatigue life estimation of weldmentscitations
- 2021Short crack propagation analysis and fatigue strength assessment of additively manufactured materials: An application to AISI 316Lcitations
- 2021Determination of fatigue crack propagation thresholds for steel in presence of environmental effectscitations
- 2021Microstructural features influencing the mechanical performance of the Brazil nut (Bertholletia excelsa) mesocarpcitations
- 2021Towards a Methodology for Component Design of Metallic AM Parts Subjected to Cyclic Loadingcitations
- 2021Experimental procedure for the determination of intrinsic fatigue crack propagation threshold ΔKth,eff and characterization of FCGR curves on miniature steel specimens
- 2019The IBESS approach for the determination of the fatigue life and strength of weldments by fracture mechanics analysiscitations
- 2019Defects as a root cause of fatigue failure of metallic components. I: Basic aspectscitations
- 2018Fracture-mechanics-based prediction of the fatigue strength of weldments. Material aspectscitations
- 2018The cyclic R-curve – Determination, problems, limitations and applicationcitations
- 2018Cyclic J-integral: Numerical and analytical investigations for surface cracks in weldmentscitations
- 2018The IBESS model – Elements, realisation and validationcitations
- 2017Multiple crack initiation and propagation in weldments under fatigue loadingcitations
- 2016About the fatigue crack propagation threshold of metals as a design criterion - A reviewcitations
- 2016Application of the cyclic R-curve method in notch fatigue analysiscitations
- 2016Fracture mechanics based determination of the fatigue strength of weldmentscitations
- 2014A model for the determination of the fatigue life in technical alloys containing large and small defectscitations
Places of action
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article
Robust determination of fatigue crack propagation thresholds from crack growth data
Abstract
The robust determination of the threshold against fatigue crack propagation DKth is of paramount importance in fracture mechanics based fatigue assessment procedures. The standards ASTM E647 and ISO 12108 introduce operational definitions of DKth based on the crack propagation rate da/dN and suggest linear fits of logarithmic DK– da/dN test data to calculate DKth. Since these fits typically suffer from a poor representation of the actual curvature of the crack propagation curve, a method for evaluating DKth using a nonlinear function is proposed. It is shown that the proposed method reduces the artificial conservativeness induced by the evaluation method as well as the susceptibility to scatter in test data and the influence of test data density.