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Title:Effect of residual stresses on the fatigue crack propagation in welded joints
Authors:Gubeljak, Nenad (Author)
Predan, Jožef (Author)
Pippan, Reinhard (Author)
Oblak, Maks (Author)
Files:URL http://dx.doi.org/10.1520/JAI12036
Work type:Unknown ()
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The effect of residual stress on the fatigue crack growth was investigated forcyclic tension. Three-point bend specimens were used with through thicknessnotches at the center line of the welded joint. The experiments were performed for different load amplitudes and load ratios under conditions of small-scale yielding. The influence of the residual stresses on fatigue crack growth was estimated by experimentally observed fatigue crack growth rate and measurement of residual stresses at the surface of specimen. This paper describes an approach taken in two models to estimate the residual stress effect on fatigue crack propagation and to predict remaining service life of awelded structure.
Keywords:fracture mechnaics, fatigue crack, crack growth, residual stresses, fatigue crack growh rate, X-ray
Year of publishing:2005
ISSN on article:Y505-8627
COBISS_ID:9785878 New window
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Record is a part of a journal

Title:Journal of ASTM International
Publisher:ASTM International
COBISS.SI-ID:9763606 New window

Secondary language

Keywords:lomna mehanika, utrujenostna razpoka, širjenje razpoke, zaostale napetosti, stopnja rasti razpoke


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