Phase field modeling of ductile fracture and application in metal forming
WASEEM Sarim, ERDOGAN Can, YALÇINKAYA Tuncay
download PDFAbstract. A phase field model for ductile fracture is coupled with the Modified Mohr Coulomb (MMC) model for plastic damage evolution and subsequent crack growth. An energy-based damage threshold is applied to control degradation due to ductile damage. The model is implemented through a user subroutine. MMC parameters from the literature are utilized and found to be compatible with the model, accurately reproducing material response curves in a variety of loading conditions for 6016-T4 aluminum alloy. The influence of model parameters is demonstrated and additionally the Nakazima test is simulated to demonstrate the capability of the model predicting the formability of the material through a failure locus. The model is found capable of reproducing experimentally observed crack paths and quantitative material behavior.
Keywords
Phase Field Fracture, Ductile Fracture, Finite Element Method
Published online 4/19/2023, 10 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: WASEEM Sarim, ERDOGAN Can, YALÇINKAYA Tuncay, Phase field modeling of ductile fracture and application in metal forming, Materials Research Proceedings, Vol. 28, pp 1593-1602, 2023
DOI: https://doi.org/10.21741/9781644902479-172
The article was published as article 172 of the book Material Forming
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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