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Extension of strain-life equation for low-cycle fatigue of sheet metals using anisotropic yield criteria and distortional hardening model
, F. Barlat, M. G. Lee,
Published in Blackwell Publishing Ltd
2014
Volume: 37
   
Issue: 9
Pages: 977 - 991
Abstract
The fatigue strain-life equation is in general applicable to isotropic materials. It was recently attempted to account for material anisotropy because of crystallographic texture in fatigue modelling. The proposed modification was limited to isotropic hardening. The present work is an extension of the previous work, wherein a general framework to model anisotropy using phenomenological yield criterion and anisotropic hardening is provided. Yld2004-18p yield criterion and the so-called homogenous anisotropic hardening model are used to demonstrate the anisotropic cyclic behaviour of low carbon steel. The proposed methodology can be utilized in applications including multiaxial fatigue modelling. © 2014 Wiley Publishing Ltd.
About the journal
JournalFatigue and Fracture of Engineering Materials and Structures
PublisherBlackwell Publishing Ltd
ISSN8756758X
Open AccessNo
Concepts (12)
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    Crystallography
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    Hardening
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    Sheet metal
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    ANISOTROPIC HARDENING MODELS
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    ANISOTROPIC HARDENINGS
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    COFFIN-MANSON RELATIONS
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    Crystallographic textures
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    ISOTROPIC HARDENINGS
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    Material anisotropy
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    MULTI-AXIAL FATIGUE
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    STRAIN LIVES
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    Anisotropy