Yves Nadot
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View article: Review of "Non-local fatigue criterion based on standard deviation for notches and defects in Ti-6Al-4V"
Review of "Non-local fatigue criterion based on standard deviation for notches and defects in Ti-6Al-4V" Open
This is the open review of an article published in JTCAM, DOI:10.46298/jtcam.12473
View article: Non-local fatigue criterion based on standard deviation for notches and defects in Ti-6Al-4V
Non-local fatigue criterion based on standard deviation for notches and defects in Ti-6Al-4V Open
The aim of this study is to propose a non local multiaxial fatigue criterion in order to assess the fatigue limit of stress concentrator such as notches or defects in Ti-6Al-4V. This criterion is based on the standard deviation of the stre…
View article: Effect of As-Built and Ground Surfaces on the Fatigue Properties of AlSi10Mg Alloy Produced by Additive Manufacturing
Effect of As-Built and Ground Surfaces on the Fatigue Properties of AlSi10Mg Alloy Produced by Additive Manufacturing Open
The present work concerns the influence of surface (machined, as-built) on the fatigue resistance of AlSi10Mg produced by a powder-bed laser process. The competition between defects and surface roughness is assessed by using Kitagawa-type …
View article: On the Influence of Ultrasonic Surface Mechanical Attrition Treatment (SMAT) on the Fatigue Behavior of the 304L Austenitic Stainless Steel
On the Influence of Ultrasonic Surface Mechanical Attrition Treatment (SMAT) on the Fatigue Behavior of the 304L Austenitic Stainless Steel Open
The potential of ultrasonic surface mechanical attrition treatment (SMAT) at different temperatures (including cryogenic) for improving the fatigue performance of 304L austenitic stainless steel is evaluated along with the effect of the fa…
View article: In situ synchrotron ultrasonic fatigue testing device for 3D characterisation of internal crack initiation and growth
In situ synchrotron ultrasonic fatigue testing device for 3D characterisation of internal crack initiation and growth Open
This work presents a new ultrasonic fatigue testing device for studying the initiation and propagation mechanisms of internal microstructurally short fatigue cracks using in situ synchrotron tomography. Its principle is described as well a…
View article: Influence of as-built surface and heat treatment on the fatigue resistance of Additively Layer Manufacturing (ALM) AlSi10Mg alloy.
Influence of as-built surface and heat treatment on the fatigue resistance of Additively Layer Manufacturing (ALM) AlSi10Mg alloy. Open
This work concerns the fatigue resistance of a AlSi10Mg material produced by additive manufacturing, and more precisely the competition between as built manufacturing surface and as-machined surface on the fatigue resistance. Samples were …
View article: Fatigue resistance of selectively laser melted aluminum alloy under T6 heat treatment
Fatigue resistance of selectively laser melted aluminum alloy under T6 heat treatment Open
International audience
View article: Through Process Modelling applied to the fatigue resistance of cast Aluminum
Through Process Modelling applied to the fatigue resistance of cast Aluminum Open
The aim of this study is to evaluate a full integrated modelling strategy to evaluate the influence of casting defects on the fatigue life directly from process simulation. We have shown that defects characterized by their size and the mic…
View article: A study on lifetime of a railway axle subjected to grinding
A study on lifetime of a railway axle subjected to grinding Open
International audience
View article: Fatigue design of cast iron components with surface discontinuities
Fatigue design of cast iron components with surface discontinuities Open
Surface discontinuities are unavoidable properties of production castings, and have fundamental effect on in-service reliability. In the current study a multiaxial probabilistic fatigue analysis model has been developed for the description…
View article: Gradient approach for the evaluation of the fatigue limit of welded structures under complex loading
Gradient approach for the evaluation of the fatigue limit of welded structures under complex loading Open
Welded ‘T-junctions’ are tested at different load ratio for constant and variable amplitude loading. Fatigue results are analyzed through the type of fatigue mechanisms depending on the loading type. A gradient approach (WSG: Welded Stress…
View article: Fatigue behaviour of defective cast iron
Fatigue behaviour of defective cast iron Open
With the analysis example of a cast iron component a Finite Element Analysis (FEA) based modelling and post-processing methodology is proposed for the multiaxial high-cycle fatigue assessment of surface defects. Methods are proposed for th…
View article: Influence of defect size on the fatigue resistance of AlSi10Mg alloy elaborated by selective laser melting (SLM)
Influence of defect size on the fatigue resistance of AlSi10Mg alloy elaborated by selective laser melting (SLM) Open
International audience
View article: Influence of natural defects on the fatigue limit of a cast Al-Si alloy
Influence of natural defects on the fatigue limit of a cast Al-Si alloy Open
Experimental high cycle fatigue tests have been performed in order to define the impact of casting shrinkages on the fatigue limit of the A357-T6 cast Aluminum alloy. Both cavity and sponge shrinkages have been analyzed. The effect of the …
View article: Competition between surface defect and grain size under fatigue loading - ARMCO iron
Competition between surface defect and grain size under fatigue loading - ARMCO iron Open
The design of metallic cast parts requires a compromise between the fatigue resistance of the component and the allowable defect size due to the process. Treatment of defect sensitivity coupled with intrinsic length scales of grains or oth…
View article: Integrity of cast components containing inhomogeneities
Integrity of cast components containing inhomogeneities Open
The high cycle fatigue behaviour of cast components is highly influenced by the presence of inhomogeneities dues to casting process. The purpose of this paper is to discuss a method that takes into account the presence of these defects in …