Influence of casting defects on the fatigue behavior of cast aluminum AS7G06-T6

P Mu, Y Nadot, C Nadot-Martin, A Chabod… - International Journal of …, 2014 - Elsevier
Abstract AS7G06-T6 cast aluminum alloy is tested under tension fatigue loading for two load
ratios. After the quantification of the Secondary Dendrite Arm Spacing (SDAS) and grain size …

Evaluation of notch size effect on LCF life of TA19 specimens based on the stress gradient modified critical distance method

R Wang, H Liu, D Hu, D Li, J Mao - Fatigue & Fracture of …, 2018 - Wiley Online Library
In the present study, the stress gradient modified critical distance method is proposed to
predict the low‐cycle fatigue lifetime of notched TA19 specimens by introducing a weight …

Casting defects in structural components: Are they all dangerous? A 3D study

I Serrano-Munoz, JY Buffiere, C Verdu - International Journal of Fatigue, 2018 - Elsevier
The influence of defects parameters (ie, size, shape and location) on early crack nucleation
in an A357-T6 cast aluminium alloy is studied by means of synchrotron in situ fatigue testing …

Stress gradient effect on crack initiation in fretting using a multiaxial fatigue framework

R Amargier, S Fouvry, L Chambon, C Schwob… - International Journal of …, 2010 - Elsevier
The paper discusses the stress gradient effect on crack initiation in fretting in medium cycle
fatigue. The stress gradient effect is highlighted through fretting experiments in partial slip …

Defect sensitivity in L-PBF AlSi7Mg0. 6 alloy subjected to fatigue load: Effect of load ratio and torsion loading

M Bonneric, C Brugger, B Tranchand… - International Journal of …, 2024 - Elsevier
This study aims to investigate the impact of the defects on the fatigue behavior of the
AlSi7Mg0. 6 alloy processed by laser powder bed fusion (L-PBF) by considering uniaxial …

Multiaxial high cycle fatigue threshold with small defects and cracks

K Yanase, M Endo - Engineering Fracture Mechanics, 2014 - Elsevier
In this study, the effects of small surface defects and small cracks on the fatigue limit of
metallic materials were investigated. As a theoretical framework, the McEvily model was …

A gradient-based multiaxial criterion for fatigue crack initiation prediction in components with surface roughness

B Skallerud, SK Ås, NS Ottosen - International Journal of Fatigue, 2018 - Elsevier
The current study presents methods to predict the governing crack initiation site and fatigue
crack initiation life of components with surface roughness. The surface topography is …

Influence of artificial and casting defects on fatigue strength of moulded components in Ti‐6Al‐4V alloy

G Léopold, Y Nadot, T Billaudeau… - Fatigue & Fracture of …, 2015 - Wiley Online Library
The influence of defects on the fatigue strength of a cast Ti‐6Al‐4V alloy has been
investigated. An experimental programme has been defined with different castings. On a first …

[HTML][HTML] Stress gradient as a size effect in fatigue life determination for alternating bending

A Kurek, T Łagoda, M Kurek - International Journal of Fatigue, 2021 - Elsevier
This paper compares the results of experimental fatigue life tests for two types of materials.
For each of them, fatigue tests taking into account both the size effect and stress or strain …

Fatigue from defect under multiaxial loading: Defect Stress Gradient (DSG) approach using ellipsoidal Equivalent Inclusion Method

M Vincent, C Nadot-Martin, Y Nadot… - International journal of …, 2014 - Elsevier
The fatigue design of metallic parts depends on the casting process. It requires a
compromise between the fatigue resistance of the component and the allowable defect size …