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Fatigue of welded hybrid-joints

✍ Scribed by R. Schliebner; M. Vormwald

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
419 KB
Volume
36
Category
Article
ISSN
0933-5137

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✦ Synopsis

Abstract

Only for steels up to grade S690QL the well‐known fact is confirmed that the fatigue strength of welded joints is independent of the material. For higher strength steels a remarkable reduction of the fatigue strength is found.

Some advice is given for designers in which situations the one or the other of the various approaches for the assessment of the fatigue strength of welds could be applied. In complex, real situations even the highly sophisticated effective notch stress approach might loose its applicability. A new alternative approach is proposed for these situations. It is based on stresses in real notches and an example is presented for the familiar case of a start‐stop position.

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