Fracture mechanics based fatigue life prediction for a weld toe crack under constant and variable amplitude random block loading—Modeling and uncertainty estimation
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DOI: 10.1016/j.engfracmech.2020.107487
Abstract: Abstract Propagation of weld toe cracks under cyclic loading is often predicted using fracture mechanics. In as welded condition, most of the propagation life is spent as a short crack, which is known to behave… read more here.
Keywords: weld toe; mechanics based; fracture mechanics; mechanics ... See more keywords
Fatigue crack propagation analysis for multiple weld toe cracks in cut-out fatigue test specimens from a girth welded pipe
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DOI: 10.1016/j.ijfatigue.2016.09.011
Abstract: Abstract Multiple fatigue cracks are prevalent in welded structures. Current fatigue assessment code procedures employ various simplifications in the treatment of multiple cracks that result in over-conservative life predictions. In this work, crack coalescence and… read more here.
Keywords: fatigue crack; weld toe; propagation analysis; fatigue ... See more keywords
Effect of weld toe geometry on fatigue life of lap fillet welded ultra-high strength steel joints
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DOI: 10.1016/j.ijfatigue.2018.06.050
Abstract: Abstract The effect of arc weld toe geometry on pulsating bending fatigue performance was studied using as-welded and toe machined welded joints of an ultra-high strength steel with a tensile strength grade of 980 MPa. Weld… read more here.
Keywords: strength; weld toe; fatigue life; geometry ... See more keywords
Experiment and simulation investigation of multiple cracks evolution at the weld toe
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DOI: 10.1016/j.ijfatigue.2020.106037
Abstract: Abstract The experiment and simulation for cruciform welded joint was investigated. The weld toe geometry parameters were measured and analyzed. The multiple cracks initiation sites and timing were determined. Fatigue test was conducted and the… read more here.
Keywords: experiment simulation; geometry; multiple cracks; weld toe ... See more keywords
A review of fatigue test data on weld toe grinding and weld profiling
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DOI: 10.1016/j.ijfatigue.2020.106073
Abstract: Abstract The aim of this paper is to investigate the effects of weld toe grinding and weld profiling on the fatigue strength of welded joints and the main influencing factors. Thus, experimental test results of… read more here.
Keywords: weld toe; fatigue test; grinding weld; test ... See more keywords
Neutron Diffraction Evaluation of Near Surface Residual Stresses at Welds in 1300 MPa Yield Strength Steel
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DOI: 10.3390/ma10060593
Abstract: Evaluation of residual stress in the weld toe region is of critical importance. In this paper, the residual stress distribution both near the surface and in depth around the weld toe was investigated using neutron… read more here.
Keywords: weld toe; surface; stress; near surface ... See more keywords
Stress Concentration Factors for Butt-Welded Plates Subjected to Tensile, Bending and Shearing Loads
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DOI: 10.3390/ma13081798
Abstract: This paper deals with the analysis of stress concentration at the weld toe of a Double-V and a Single-V butt-welded joints subjected to tensile, bending and shearing loads. For each geometrical and loading case accurate… read more here.
Keywords: butt welded; weld toe; subjected tensile; stress concentration ... See more keywords