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Festigkeitskonzepte für schwingbelastete geschweißte Bauteile

Fatigue approaches for welded structures
: Stoerzel, Klaus; Baumgartner, Jörg; Bruder, Thomas; Hanselka, Holger

MP materials testing 53 (2011), No.7-8, pp.418-426
ISSN: 0025-5300
Journal Article
Fraunhofer LBF ()
Festigkeitskonzept; Kerbspannung; Schweissverbindung; Festigkeit; Schwingfestigkeit

Fatigue Approaches for Welded Structures. In the recent years the local stress approach is gaining importance in comparison to the nominal stress and structural hot spot stress approach the for fatigue assessment of welded structures made from aluminium alloys or steel. Especially while applying application of the local stress approach with a reference radius r(ref) = 0.05 mm on thin sheet structures various influence factors on the design SN curve ca be distinguished. These influences can be explained and quantified by size effects.