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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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Leitner, Martin
Graz University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (66/66 displayed)
- 2024Effect of grinding on the fatigue strength of mild and high strength steel fillet weld jointscitations
- 2024Layer Approach to Model Fatigue Strength of Surface-Hardened Components
- 2024Effect of angular distortion and axial misalignment on the fatigue strength of welded and ground mild steel cruciform jointscitations
- 2024Vibration Fatigue Analysis of Two Different Variants of Oil Suction Pipescitations
- 2024Numerical parameter sensitivity analysis of residual stresses induced by deep rolling for a 34CrNiMo6 steel railway axlecitations
- 2023Low-Cycle Fatigue Behavior of Wire and Arc Additively Manufactured Ti-6Al-4V Materialcitations
- 2023Experimental and numerical investigation of the deep rolling process focussing on 34CrNiMo6 railway axlescitations
- 2022Experimental validation of numerical simulation on deformation behaviour induced by wire arc additive manufacturing with feedstock SS316L on substrate S235citations
- 2022Numerical modelling and experimental analysis on angular strain induced by bead-on-plate SS316L GMAW using inherent strain and thermomechanical methodscitations
- 2022Fatigue Assessment of Wire and Arc Additively Manufactured Ti-6Al-4Vcitations
- 2022Numerical Evaluation of Fatigue Crack Growth of Structural Steels Using Energy Release Rate with VCCTcitations
- 2022Experimental validation on multi-pass weld distortion behavior of structural offshore steel HSLA S460 using FE-based inherent strain and thermo-mechanical methodcitations
- 2022A Probabilistic Fatigue Strength Assessment in AlSi-Cast Material by a Layer-Based Approachcitations
- 2021Implementation of a damage calculation in a numerical wheel-rail contact simulation
- 2021Impact of microstructural properties on the crack threshold of aluminium castingscitations
- 2021Grain Growth Prediction of SS316L Stainless Steel of Bead-On-Plate Using Numerical Computationcitations
- 2021FEM Analysis of Fatigue Crack Growth in Low Carbon Steel Using Single Edge Notched Tension Specimen
- 2021Effect of Surface Layer on the Fatigue Strength of Selectively Laser Melted 17-4 PH Steelcitations
- 2021Fatigue strength assessment of additively manufactured metallic structures considering bulk and surface layer characteristicscitations
- 2021Numerical Simulation on Residual Stress and Substrate Deformation of Bead-On-Plate of SS316L Using Inherent Strain Methodcitations
- 2020FEM Simulation Procedure for Distortion and Residual Stress Analysis of Wire Arc Additive Manufacturingcitations
- 2020Fatigue crack growth model including load sequence effects – Model development and calibration for railway axle steelscitations
- 2020Linear Elastic FE-Analysis of Porous, Laser Welded, Heat Treatable, Aluminium High Pressure Die Castings based on X-Ray Computed Tomography Datacitations
- 2020Local strain energy density approach to assess the fatigue strength of sharp and blunt V-notches in cast steelcitations
- 2020Areal fatigue strength assessment of cast aluminium surface layerscitations
- 2020Prediction of Crack Propagation Rate and Stress Intensity Factor of Fatigue and Welded Specimen with a Two-Dimensional Finite Element Methodcitations
- 2020Validation Study on the Statistical Size Effect in Cast Aluminiumcitations
- 2020Grain Growth Prediction of Bead-on-Plate with Filler Wire SS316L using FEMcitations
- 2019Effect of Post Treatment on the Microstructure, Surface Roughness and Residual Stress Regarding the Fatigue Strength of Selectively Laser Melted AlSi10Mg Structurescitations
- 2019Notch Stress Intensity Factor (NSIF)-Based Fatigue Design to Assess Cast Steel Porosity and Related Artificially Generated Imperfectionscitations
- 2019Effects of High Frequency Mechanical Impact on Fatigue Life of Semi-Automated Gas Metal Arc Welding (GTAW) of HSLA Butt Weldcitations
- 2019Fatigue Life Enhancement of Transverse and Longitudinal T Joint on Offshore Steel Structure HSLAS460G2+M using Semiautomated GMAW and HFMI/PITcitations
- 2019On the mean stress sensitivity of cast aluminium considering imperfectionscitations
- 2019Numerical Fatigue Analysis of Induction-Hardened and Mechanically Post-Treated Steel Componentscitations
- 2019Evaluation of surface roughness parameters and their impact on fatigue strength of Al-Si cast materialcitations
- 2019A probabilistic Kitagawa-Takahashi diagram for fatigue strength assessment of cast aluminium alloyscitations
- 2019On the Statistical Size Effect of Cast Aluminiumcitations
- 2019Numerical crack growth study on porosity afflicted cast steel specimenscitations
- 2019Short and long crack growth of aluminium cast alloyscitations
- 2019Analytical and Numerical Crack Growth Analysis of 1:3 Scaled Railway Axle Specimenscitations
- 2018Application of a area -Approach for Fatigue Assessment of Cast Aluminum Alloys at Elevated Temperaturecitations
- 2018Application of modified Kitagawa-Takahashi diagram for fatigue strength assessment of cast Al-Si-Cu alloyscitations
- 2018Local fatigue strength assessment of induction hardened components based on numerical manufacturing process simulationcitations
- 2018Effect of Tungsten Carbides on Abrasive Wear of Hardfacing Coatingscitations
- 2018Lifetime assessment of cast aluminium components based on CT-evaluated microstructural defects
- 2018Fatigue strength characterization of Al-Si cast material incorporating statistical size effectcitations
- 2018In-situ crack propagation measurement of high-strength steels including overload effectscitations
- 2018Surface topography effects on the fatigue strength of cast aluminum alloy AlSi8Cu3citations
- 2018Modification of a Defect-Based Fatigue Assessment Model for Al-Si-Cu Cast Alloyscitations
- 2017Application of √area-concept to assess fatigue strength of AlSi7Cu0.5Mg casted componentscitations
- 2017Residual stress state induced by high frequency mechanical impact treatment in different steel grades – Numerical and experimental studycitations
- 2017Fatigue assessment of welded and high frequency mechanical impact (HFMI) treated joints by master notch stress approachcitations
- 2017Microporosity and statistical size effect on the fatigue strength of cast aluminium alloys EN AC-45500 and 46200citations
- 2017Multiaxial fatigue strength assessment of electroslag remelted 50CrMo4 steel crankshaftscitations
- 2017Stability of high frequency mechanical impact (HFMI) post-treatment induced residual stress states under cyclic loading of welded steel jointscitations
- 2017Wear and fatigue resistance of mild steel components reinforced by arc welded hard layerscitations
- 2016Multiaxial fatigue assessment of crankshafts by local stress and critical plane approachcitations
- 2016Fatigue strength assessment of AlSi7Cu0.5Mg T6W castings supported by computed tomography microporosity analysiscitations
- 2016Application studies for fatigue strength improvement of welded structures by high-frequency mechanical impact (HFMI) treatmentcitations
- 2016Effect of weld defects on the fatigue strength of ultra high-strength steelscitations
- 2015Effect of post-weld heat treatment on the fatigue strength of HFMI-treated mild steel jointscitations
- 2015Fatigue Strength of HFMI-treated and Stress-relief Annealed High-strength Steel Weld Jointscitations
- 2015Fatigue crack growth under constant and variable amplitude loading at semi-elliptical and V-notched steel specimenscitations
- 2014Fatigue enhancement of thin-walled, high-strength steel joints by high-frequency mechanical impact treatmentcitations
- 2013Local fatigue assessment of welded and high frequency mechanical impact treated joints
- 2012Herstellung von Panzerschichten mit Hartstoffpartikeln auf MSG-Basis
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article
Fatigue crack growth under constant and variable amplitude loading at semi-elliptical and V-notched steel specimens
Abstract
An assessment of fatigue crack propagation in components and structures based on fracture mechanical approaches is fundamental to define periodic intervals for service inspections. This paper focuses on the investigation of flat specimens made of mild steel S355 with V-shaped and semi-elliptical notches under constant and variable amplitude fatigue loading to analyze the influence of load sequence effects on crack propagation in order to obtain information about the remaining service life of components. Depending on the load sequence, crack propagation may be accelerated, delayed or in some cases even stopped, which leads to beach marks within the area of fracture. Fractographic analyses of the tested specimens are carried out by light-optical microscopy to determine different crack propagation stages. Numerical and analytical linear-elastic fracture mechanics (LEFM) calculations based on two- and three-dimensional models are performed for constant and variable amplitude loads. All analytical assessments of the V-notched specimen illustrate conservative results compared to testing, and the numerical results match the experimental investigations well. The maximum deviation of results is observed at variable amplitude loading due to missing retardation effects for the LEFM calculations. Preliminary distortion measurements and application of strain gauges on semi-elliptical notched specimens are performed to investigate the influence of angular deformation due to clamping on the local stress distribution. A simple model accounting for superimposed static bending stresses due to clamping is able to improve the crack growth predictions for semi-elliptical surface cracks significantly. A final comparison of the fractographic analyses and the numerical crack propagation calculations illustrates differences in the results and provides information to assess the fatigue crack growth and service inspection intervals of components under variable amplitude loading more precisely.