Material Model for Hytrel 5526

POLYUMOD-Three-Network_Hytrel-5526_1

Here is a calibrated material model for a DuPont Hytrel 5526 thermoplastic polyester elastomer. This grade of Hytrel has a shore D hardness (durometer) of 55 ttested at room temperature.

The DuPont data sheet lists the following values:

  • Tensile modulus: 190 MPa
  • Yield stress: 14 MPa
  • Yield strain: 37%

The DuPont provided values are consistent with the material model predictions, at a slow strain rate. The provided material model contains much more info as it also captures the strain-rate dependence of the yield stress (flow resistance).

To use this material model you will need to first install the MCalibration software, and then export the model to your favorite FE software. The calibrated material model is the PolyUMod Three Network (TN) model.

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