Strain Localization in Open-cell Polyurethane Foams: Experiments and Theoretical Model

@inproceedings{PAMPOLINI2010StrainLI,
  title={Strain Localization in Open-cell Polyurethane Foams: Experiments and Theoretical Model},
  author={GIAMPIERO PAMPOLINI},
  year={2010}
}
  • GIAMPIERO PAMPOLINI
  • Published 2010
Confined compression tests performed by the authors on open-cell polyurethane foams reveal the presence of strain localization. After a brief description of the experiments, a theoretical model is proposed. In the model, the foam is represented as a chain of elastic springs with a two-phase strain energy density, and the strain localization is due to a progressive collapse of the springs. The collapse is a sort of continuum instability, which can be attributed to phase transition. An… CONTINUE READING

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