Journal ArticleDOI
Multiaxial fatigue behaviour of laserbeam-welded thin steel and aluminium sheets under proportional and non-proportional combined loading
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In this paper, the effect of axial and torsional load on the multiaxial fatigue behavior of laserbeam-welded overlapped tubular joints made from structural steel St35 (S235 G2T), artificially hardened aluminium alloy AlSi1MgMn T6 (EN AW 6082 T6) and self-hardening aluminium alloy Alloy AlMg3.5Mn (ENAW 5042) was investigated under combined proportional and non-proportional axial/torsional loading with constant amplitudes in the rangeAbout:
This article is published in International Journal of Fatigue.The article was published on 2011-08-01. It has received 27 citations till now. The article focuses on the topics: Aluminium alloy & Aluminium.read more
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Study of crack orientation and fatigue life prediction in biaxial fatigue with critical plane models
TL;DR: In this paper, the crack initiation and propagation behavior of St52-3N steel is investigated under biaxial conditions and short crack behavior is studied and pearlite bands are found to modify the crack growth rate.
Journal ArticleDOI
Fatigue assessment of welded joints using stress averaging and critical distance approaches
TL;DR: In this paper, a brief analysis and practical application of both the stress averaging approach and the critical distance approach according to Taylor for a fatigue assessment on welded steel structures under axial loading is presented.
Journal ArticleDOI
Review on fatigue life prediction models of welded joint
Guozheng Kang,Huiliang Luo +1 more
TL;DR: Significant conclusions of existing experimental and theoretical researches and some suggestions on improving the fatigue assessment of welded joints, especially for the low-cycle fatigue with the occurrence of ratchetting are provided.
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Modified Wöhler Curve Method and multiaxial fatigue assessment of thin welded joints
Luca Susmel,Harm Askes +1 more
TL;DR: In this article, the use of the Modified Wohler Curve Method to estimate fatigue lifetime of thin welded joints of both steel and aluminium subjected to in-phase and out-of-phase multiaxial fatigue loading is discussed.
Journal ArticleDOI
Application of stress-based multiaxial fatigue criteria for laserbeam-welded thin aluminium joints under proportional and non-proportional variable amplitude loadings
TL;DR: In this paper, a non-proportionality factor based on the correlation between the axial and the shear stress components of the stress tensor is introduced to compensate for the inability of most stress hypotheses including Findley and SIH to describe the shortening of the fatigue life under nonproportional (out-of-phase) loadings.
References
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Journal ArticleDOI
Elastic field equations for blunt cracks with reference to stress corrosion cracking
Matthew Creager,Paul C. Paris +1 more
TL;DR: In this paper, the elastic stress field equations for blunt cracks are derived and presented in a form equivalent to the usual sharp crack tip stress fields, which are employed in analyzing a dissolution model for the arrest of stress corrosion cracking by crack tip blunting.
Book
Design and Analysis of Fatigue Resistant Welded Structures
TL;DR: In this paper, the authors assess the fatigue strength of seam welded joints in high tensile steels and aluminium alloys, including spot, friction, flash butt, stud and stud joints.
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Recent developments in local concepts of fatigue assessment of welded joints
TL;DR: In this paper, the structural stress of seam-welded tensile-shear joints in thin-sheet steels and aluminium alloys is defined and set against design S-N curves.
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Multiaxial fatigue of welded joints under in-phase and out-of-phase local strains and stresses
TL;DR: In this paper, the influence of out-of-phase loading on fatigue life is severely overestimated if conventional hypotheses are used, however, the introduced hypotheses of the effective equivalent stress leads to fairly good predictions.
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Notch stress concepts for the fatigue assessment of welded joints – Background and applications
TL;DR: In this paper, two variants of the linear-elastic notch stress concept for welded structures, one for thick walled and one for thin walled, with the reference radius rref = 1.00mm, derived by Radaj.