Evaluation of the Effects of Inclusion Distribution on the Local Ductility of DP Steel

Y. Suwa; T. Matsuno; S. Hirose; N. Fujita; A. Seto

doi:10.4028/www.scientific.net/MSF.706-709.1527

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HomeMaterials Science ForumMaterials Science Forum Vols. 706-709Evaluation of the Effects of Inclusion...

Evaluation of the Effects of Inclusion Distribution on the Local Ductility of DP Steel

Abstract:

In the present study, the effects of inclusions on the local ductility of DP steel are investigated using finite element analysis (FEA). In order to evaluate local ductility, a continuum damage mechanics (CDM) model has been incorporated into the Abaqus/Explicit® commercial finite element code. Furthermore, three-dimensional representative volume elements (RVEs) with ferrite, martensite, and inclusion phases have been used to evaluate the stress-strain response. Simulation results show that the volume fraction of the martensite as well as the difference in hardness between the ferrite and the martensite phases dominates the effect of inclusions on local ductility.

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Materials Science Forum (Volumes 706-709)

Pages:

1527-1532

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https://doi.org/10.4028/www.scientific.net/MSF.706-709.1527

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Online since:

January 2012

Authors:

Y. Suwa, T. Matsuno, S. Hirose, N. Fujita, A. Seto

Keywords:

Dual Phase, Finite Element Analysis (FEA), Fracture, Local Ductility, Microstructural Heterogeneity

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