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A stress-based model for shear ductile fracture
© 2019 Trans Tech Publications Ltd, Switzerland. A stress-based model is developed to describe shear ductile fracture of lightweight metals. The proposed function couples the effect of the maximum shear stress and the stress triaxiality on fracture limits of metals during plastic deformation. Effect of the maximum shear stress in the proposed fracture model is correlated with the influence of the Lode parameter on fracture limits. The proposed fracture model is applied to depict the fracture locus of AA2024-T351. The predicted fracture locus is compared with experimental results of the alloy. The comparison demonstrates that the proposed fracture model reasonably characterizes the fracture stress in various loading conditions of compression, shear and tension.
History
Event
Engineering Plasticity and its Applications. Symposium (14th : 2018 : Jeju Island, Korea)Volume
794Pagination
3 - 8Publisher
Trans Tech PublicationsLocation
Jeju Island, KoreaPlace of publication
Zurich, SwitzerlandPublisher DOI
Start date
2018-12-02End date
2018-12-07ISSN
1013-9826ISBN-13
9783035713626Language
engPublication classification
E1 Full written paper - refereedCopyright notice
2019, Trans Tech Publications Ltd, SwitzerlandTitle of proceedings
Key Engineering Materials : 14th Asia-Pacific Symposium on Engineering Plasticity and its ApplicationsUsage metrics
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