Fatigue strength evaluation of linear flow split profile sections based on hardness distribution

Landersheim, Volker; Jöckel, Michael; Dsoki, Chalid el; Bruder, Thomas; Hanselka, Holger

doi:10.1016/j.ijfatigue.2011.03.012

Cited by 12 publications

(4 citation statements)

References 11 publications

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“…In the instantaneous fracture zone, its micro-failure mode is the additional static mode, the fatigue crack propagation rate at this time is quite sensitive to hardness. However, the fatigue crack propagation rates at this stage is so large that the effect of hardness is not significant [38].…”

Section: Comparison Of Fatigue Crack Propagation Behavior Between Bas...mentioning

confidence: 95%

Effect of low temperature on fatigue crack propagation rates of DH36 steel and its butt weld

et al. 2020

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Section: Comparison Of Fatigue Crack Propagation Behavior Between Bas...mentioning

confidence: 95%

Effect of low temperature on fatigue crack propagation rates of DH36 steel and its butt weld

et al. 2020

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“…In principle, the hardness can also be used to estimate the fatigue strength, given that there are approaches that relate hardness and fatigue properties such as the Coffin–Manson coefficients . An estimation based on the Medians method has shown to give a good approximation for the fatigue life of whole flanges . However, it is unclear whether such approximations still hold for more complex loading scenarios which require an estimation of local fatigue properties, which is extremely difficult to validate experimentally due to sample size limitations.…”

Section: Manufacturing‐induced Propertiesmentioning

confidence: 99%

Manufacturing‐induced material properties of linear flow split and linear bend split profiles

Bruder

Ahmels

Niehuesbernd

et al. 2017

Materialwissenschaft Werkst

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In this work the two massive forming processes linear flow splitting and linear bend splitting, which generate profiles from sheet metal, are evaluated with respect to characteristic manufacturing‐induced material properties of the produced parts. Resulting microstructural features such as grain size and shape as well as crystallographic textures are linked to mechanical properties such as strength, ductility and anisotropic elasticity and general rules for their evolution are defined. Residual stress distributions are detailed and discussed with regard to the causing geometrical and forming process related aspects. The aim of this paper is to give a comprehensive overview of the properties of profiles produced by linear flow splitting and linear bend splitting and to illustrate general rules for their evolution in order to provide guidelines for an optimized product development process which allows a beneficial use of the manufacturing‐induced properties.

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“…The other solutions concern strain damage parameters (Erdogan and Roberts (13) 23 , Bergmann (12) 24 ), which are more or less modifications of the SWT parameter with an additional material parameter for tuning the MSE. According to Landersheim, 26 Bergmann's solution 25 was originally provided in the following form: which results in k = 0.373 if the more general formula (12) is used for the material evaluated here. Nihei et al in Ref.…”

Section: Strain‐based Criteriamentioning

confidence: 99%

Deterministic Processing of Complex Multiaxial Fatigue Load Data on a Tubular Specimen with Hole

Papuga

Hrubý

Růžička

et al. 2012

Fatigue Fract Eng Mat Struct

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A study of the use of deterministic fatigue life prediction methods for a set of multiaxial experimental data on broad‐band random loading applied to a tubular specimen with a hole is presented. There is a discussion of the applicability of stress‐based predictions and strain‐based predictions based on the linear cumulative rule under current conditions. The only feasible criteria finally chosen for the application are strain‐based methods for analysing the fatigue life until fatigue crack initiation. Several methods differing in the damage parameter and application of the mean stress effect (MSE) are evaluated. The MSE is optimised so that a comparison of the predicted and experimental data have the least scatter and similar mean values. The results are presented, and the most promising method (by Erdogan and Roberts) has been selected. The positive properties of Walker mean stress correction and the failure of SWT and Landgraf methods are commented on.

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Fatigue strength evaluation of linear flow split profile sections based on hardness distribution

Cited by 12 publications

References 11 publications

Effect of low temperature on fatigue crack propagation rates of DH36 steel and its butt weld

Effect of low temperature on fatigue crack propagation rates of DH36 steel and its butt weld

Manufacturing‐induced material properties of linear flow split and linear bend split profiles

Deterministic Processing of Complex Multiaxial Fatigue Load Data on a Tubular Specimen with Hole

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