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Fatigue strength of laser beam welded thin steel structures under multiaxial loading

Sonsino, C.M. / Kueppers, M. / Eibl, M. / Zhang, G.

The multiaxial fatigue behaviour of thin laser beam welded tube-tube specimens of the structural steel St35 was assessed according to the methodology of the fictitious weld root radius of r_f=0.05 mm and the application of the Effective Equivalent Stress Hypothesis (EESH), especially considering the fatigue life reducing influence of out-of-phase loading in comparison to in-phase loading. The results are applicable for the fatigue design of laser beam welded car body and chassis structures of thin steel sheets (t<3 mm).

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Fatigue strength of laser beam welded thin steel structures under multiaxial loading

Sonsino, C.M. / Kueppers, M. / Eibl, M. / Zhang, G.

The multiaxial fatigue behaviour of thin laser beam welded tube-tube specimens of the structural steel St35 was assessed according to the methodology of the fictitious weld root radius of r_f=0.05 mm and the application of the Effective Equivalent Stress Hypothesis (EESH), especially considering the fatigue life reducing influence of out-of-phase loading in comparison to in-phase loading. The results are applicable for the fatigue design of laser beam welded car body and chassis structures of thin steel sheets (t<3 mm).

Fatigue strength of laser beam welded thin steel structures under multiaxial loading

Sonsino, C.M. / Kueppers, M. / Eibl, M. / Zhang, G.

The multiaxial fatigue behaviour of thin laser beam welded tube-tube specimens of the structural steel St35 was assessed according to the methodology of the fictitious weld root radius of r_f=0.05 mm and the application of the Effective Equivalent Stress Hypothesis (EESH), especially considering the fatigue life reducing influence of out-of-phase loading in comparison to in-phase loading. The results are applicable for the fatigue design of laser beam welded car body and chassis structures of thin steel sheets (t<3 mm).

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Title:

Fatigue strength of laser beam welded thin steel structures under multiaxial loading

Contributors:

Sonsino, C.M. (author) / Kueppers, M. (author) / Eibl, M. (author) / Zhang, G. (author)

Published in:

International Journal of Fatigue ; 28 ; 657-662

Publication date:

2006

Size:

6 Seiten, 10 Quellen

ISSN:

DOI:

https://doi.org/10.1016/j.ijfatigue.2005.09.013

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Materialermüdung , Laserstrahlschweißen , Spannungsanalyse , Torsionsspannung , Finite-Elemente-Methode , mehrachsige Spannung , Baustahl , Stahlbau , Schweißnaht , Ermüdungsfestigkeit

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