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Oechsner, Matthias
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Publications (23/23 displayed)
- 2024Requirement-specific Adjustment ofResidual Stresses During Cold Extrusion
- 2024Investigation on surface characteristics of wall structures out of stainless steel 316L manufactured by laser powder bed fusioncitations
- 2024Empowering PVD for corrosion protectioncitations
- 2024Einfluss von Plastifizierung und Abkühlrate auf die Korrosionsbeständigkeit beim artgleichen Rührreibschweißen von EN AW-7020 und EN AW-7075 – Teil 1
- 2024Mechanistic insights into chemical corrosion of AA1050 in ethanol‐blended fuels with water contamination via phase field modeling
- 2024Mechanical Characterization Potentials of Aluminide Diffusion Coatings on Molybdenum Substrates
- 2024Calibration of the residual stresses with an active die during the ejection phase of cold extrusion
- 2024On the Monotonic and Cyclic Behavior of an Al‐Mg‐Zn‐Cu‐Si Compositionally Complex Alloy
- 2023Comparison of Cast, Wrought, and LPBF Processed IN718 Concerning Crack Growth Threshold and Fatigue Crack Growth Behaviorcitations
- 2023On the Monotonic and Cyclic Behavior of an Al‐Mg‐Zn‐Cu‐Si Compositionally Complex Alloycitations
- 2023Increase in residual lifetime due to low amplitude cycles and dwell times at room temperature: Observations and suspected mechanisms
- 2023Investigation on a predetermined point of failure for stainless steel 316L pressure loaded components made by laser powder bed fusion through stress analysis and experimental testingcitations
- 2022Investigation of Material Properties of Wall Structures from Stainless Steel 316L Manufactured by Laser Powder Bed Fusioncitations
- 2022Robust determination of fatigue crack propagation thresholds from crack growth datacitations
- 2022Cooling rate as a process parameter in advanced roll forming to tailor microstructure,mechanical and corrosion properties of EN AW 7075 tubes
- 2021On the Influence of Control Type and Strain Rate on the Lifetime of 50CrMo4
- 2021On the Influence of the Microstructure upon the Fatigue and Corrosion Fatigue Behavior of UNS N07718
- 2021Calibration of the residual stresses with an active die during the ejection phase of cold extrusioncitations
- 2020On the Influence of Control Type and Strain Rate on the Lifetime of 50CrMo4citations
- 2020Application of Damage Mechanics and Polynomial Chaos Expansion for Lifetime Prediction of High-Temperature Components Under Creep-Fatigue Loadingcitations
- 2020Effect of Friction Stir Processing on Microstructural, Mechanical, and Corrosion Properties of Al-Si12 Additive Manufactured Componentscitations
- 2018Additive Manufacturing of Glass Components - Exploring the Potential of Glass Connections by Fused Deposition Modelingcitations
- 2014Influence of load signal form and variable amplitude loading on the corrosion fatigue behaviour of aluminium alloyscitations
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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.