Fatigue of weld ends under combined in- and out-of-phase multiaxial loading
Journal Title: Frattura ed Integrità Strutturale - Year 2016, Vol 10, Issue 38
Abstract
Weld start and end points are fatigue failure sensitive locations. Their fatigue behaviour especially in thin sheet structures under multiaxial load conditions is not sufficiently explored so far. Therefore, a research project was initiated to increase the knowledge concerning this topic, which is of special interest in the automotive industry. In the present study, fatigue tests on welded joints were conducted. In the numerical part of the study, notch stresses were calculated with an idealised weld end model. A numerical method which combines the geometrical and statistical size effect to an integrated approach was used, in order to consider the size effects
Authors and Affiliations
E. Shams , M. Vormwald
Keywords
Related Articles
- EP ID EP90975
- DOI 10.3221/IGF-ESIS.38.15
- Views 87
- Downloads 0
Local strain energy density to assess the multiaxial fatigue strength of titanium alloys
The present paper investigates the multiaxial fatigue strength of sharp V-notched components made of titanium grade 5 alloy (Ti-6Al-4V). Axisymmetric notched specimens have been tested under combined tension...
Effect of steel reinforcement with different degree of corrosion on degeneration of mechanical performance of reinforced concrete frame joints
Beam-column joints which shoulders high-level and vertical shearing effect that maintains balance of beam and column end is the major component influencing the performance of the whole framework. Post earthqu...
On fatigue behaviour of two spring steels. Part II: Mathematical models
Symmetric fatigue in two spring steels is investigated in three groups of specimens. One of the groups (Steel EN10270-1SH/ DIN 17223C – C 0.82%, Mn 0.76%, Si 0.26%) has experienced rotating-bending fatigue in...
Numerical investigation on stress corrosion cracking behavior ofdissimilar weld joints in pressurized water reactor plants
There have been incidents recently where stress corrosion cracking (SCC) observed in the dissimilarmetal weld (DMW) joints connecting the reactor pressure vessel (RPV) nozzle with the hot leg pipe. Due to thecomple...
A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approach
A criterion for the prediction of the static failure loads in tensile PMMA specimens with sharp notches is presented. The proposed criterion is based on a regularized version of the eXtended Finite Element Method (XFEM),...