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Fatigue lifetime assessment of notched components under multiaxial variable loading based on a short crack growth concept

Hertel, Olaf and Vormwald, Michael (2010):
Fatigue lifetime assessment of notched components under multiaxial variable loading based on a short crack growth concept.
In: 9th Int. Conf. on Multiaxial Fatigue & Fracture (ICMFF9), , Parma, [Conference or Workshop Item]

Abstract

A short crack model originally proposed for multiaxial constant amplitude loading is extended and applied to cases of multiaxial variable amplitude loading. Load sequence influences that play an important role under variable amplitude loading are implemented based on some algorithms originally only proposed for uniaxial loading. Estimated Fatigue lives of unnotched tubular specimen and notched shaft under different in- and out-of-phase multiaxial constant and variable amplitude load histories are compared to experimental results. The comparison yields satisfying estimation accuracy for the presented short crack approach. Even the critical planes, planes of maximum crack growth or minimum crack growth life, respectively, are estimated with good agreement to experimental observations

Item Type: Conference or Workshop Item
Erschienen: 2010
Creators: Hertel, Olaf and Vormwald, Michael
Title: Fatigue lifetime assessment of notched components under multiaxial variable loading based on a short crack growth concept
Language: English
Abstract:

A short crack model originally proposed for multiaxial constant amplitude loading is extended and applied to cases of multiaxial variable amplitude loading. Load sequence influences that play an important role under variable amplitude loading are implemented based on some algorithms originally only proposed for uniaxial loading. Estimated Fatigue lives of unnotched tubular specimen and notched shaft under different in- and out-of-phase multiaxial constant and variable amplitude load histories are compared to experimental results. The comparison yields satisfying estimation accuracy for the presented short crack approach. Even the critical planes, planes of maximum crack growth or minimum crack growth life, respectively, are estimated with good agreement to experimental observations

Title of Book: 9th Int. Conf. on Multiaxial Fatigue & Fracture (ICMFF9),
Place of Publication: Parma
Divisions: 13 Department of Civil and Environmental Engineering Sciences > Institute of Steel Constructions and Material Mechanics > Fachgebiet Werkstoffmechanik
13 Department of Civil and Environmental Engineering Sciences > Institute of Steel Constructions and Material Mechanics
13 Department of Civil and Environmental Engineering Sciences
Date Deposited: 30 Jan 2015 13:37
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