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Biaxial experiments and phenomenological modeling of stress-state-dependent ductile damage and fracture

  • IUTAM Paris 2015
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Abstract

The paper discusses an anisotropic continuum damage and fracture model for ductile metals. The phenomenological approach takes into account the effect of stress state on damage and failure criteria. Different branches of the criteria are considered corresponding to various microscopic mechanisms depending on stress intensity, stress triaxiality and the Lode parameter. To validate the proposed framework different experiments with biaxially loaded specimens and corresponding numerical simulations have been performed. Digital image correlation technique has been used to analyze current strain states in critical regions of the specimens.

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Authors and Affiliations

  1. Institut für Mechanik und Statik, Universität der Bundeswehr München, Werner-Heisenberg-Weg 39, 85577, Neubiberg, Germany

    Michael Brünig, Steffen Gerke & Marco Schmidt

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  1. Michael Brünig
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  2. Steffen Gerke
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  3. Marco Schmidt
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Correspondence to Michael Brünig.

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Brünig, M., Gerke, S. & Schmidt, M. Biaxial experiments and phenomenological modeling of stress-state-dependent ductile damage and fracture. Int J Fract 200, 63–76 (2016). https://doi.org/10.1007/s10704-016-0080-3

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  • DOI: https://doi.org/10.1007/s10704-016-0080-3

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