2013
DOI: 10.1007/s40194-013-0066-y
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IIW guideline for the assessment of weld root fatigue

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Cited by 102 publications
(62 citation statements)
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“…This approach together with a design reference fatigue curve of FAT 225 (225 MPa at 2 million cycles and m = 3) for steel, has been first included in the IIW Recommendation in 1996 (Hobbacher, 1996), valid for all weld types. The application to welded plate details (failing from the toe or the root) has extensively been investigated in particular for the ship industry (Fricke et al 2002, Fricke 2012. Figure 2.…”
Section: Notch Stress Methodsmentioning
confidence: 99%
“…This approach together with a design reference fatigue curve of FAT 225 (225 MPa at 2 million cycles and m = 3) for steel, has been first included in the IIW Recommendation in 1996 (Hobbacher, 1996), valid for all weld types. The application to welded plate details (failing from the toe or the root) has extensively been investigated in particular for the ship industry (Fricke et al 2002, Fricke 2012. Figure 2.…”
Section: Notch Stress Methodsmentioning
confidence: 99%
“…Tästä saatua jännitystä käsitellään hitsatun liitoksen väsymisikäkaavoilla (6) käyttäen väsymisluokkana 225:ttä ja eksponenttina m=3 IIW:n ohjeen mukaan [1,2]. ENS-menetelmä vaatii suhteellisen tarkkaa verkkoa, suositellun elementtikoon ollessa 0.25 mm [2].…”
Section: Ensunclassified
“…ENS-menetelmä sen sijaan antoi selkeästi liian pitkän eliniän. Tästä on viitteitä myös kirjallisuudessa [1]. On myös otettava huomioon, että ENSmenetelmä on hyvin työläs, eli kallis mallintamisen kannalta, kun taas XFEM on hyvin nopeakäyttöinen ja helpompi mallintaa.…”
Section: Johtopäätöksetunclassified
“…1), where the distance i is the penetration depth, a is the weld throat thickness and g is the gap size between the plates. The reason for addressing this issue is that imperfections in the weld root has an influence on fatigue life and structural integrity [9]. This in turn has a direct negative effect on the quality and service life of welded structures.…”
Section: Introductionmentioning
confidence: 99%
“…1, the stress level due to stress concentrations typically is at a peak in the root [9]. This problem is mitigated by an increased penetration depth since the remaining unwelded area between the plates is reduced.…”
Section: Introductionmentioning
confidence: 99%