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Erschienen in: Journal of Failure Analysis and Prevention 2/2017

01.04.2017 | Technical Article---Peer-Reviewed

Edge Fracture Prediction Using Uncoupled Ductile Fracture Models for DP780 Sheet

verfasst von: Lei Mu, Yuan Wang, Yong Zang, Pedro Malaquias Araujo Stemler

Erschienen in: Journal of Failure Analysis and Prevention | Ausgabe 2/2017

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Abstract

This paper is a contribution to the prediction of edge fracture behavior using uncoupled ductile fracture models. A fully integrated simulation framework for the edge fracture prediction is proposed with the shear-induced pre-damage considered. User-defined material subroutines are coded with uncoupled ductile fracture models (Lou-Huh, Oh, Brozzo) incorporated, which are calibrated using the fracture strains of various loading paths. A series of 3D numerical simulations are performed and compared with the results of hole-expansion tests. The effects of pre-damage field and fracture models are analyzed and discussed.

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Metadaten
Titel
Edge Fracture Prediction Using Uncoupled Ductile Fracture Models for DP780 Sheet
verfasst von
Lei Mu
Yuan Wang
Yong Zang
Pedro Malaquias Araujo Stemler
Publikationsdatum
01.04.2017
Verlag
Springer US
Erschienen in
Journal of Failure Analysis and Prevention / Ausgabe 2/2017
Print ISSN: 1547-7029
Elektronische ISSN: 1864-1245
DOI
https://doi.org/10.1007/s11668-017-0245-z

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