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High temperature polymer behavior

Technical Challenge:
Polymeric materials are used increasingly in elevated temperature applications such as seals and biomedical implants. Data on the mechanical behavior of polymer materials at elevated temperatures is not available or is inadequate to make informed design decisions. To meet this need, design and simulation engineers require mechanical testing at a range of temperatures.

Temperature chamber used for tension testing.

Temperature chamber used for tension testing.

Temperature-dependent stress-strain and relaxation behavior gathered for PEEK.

Temperature-dependent stress-strain and relaxation behavior gathered for PEEK.
This data can be used to calibrate an advanced nonlinear constitutive model for finite element simulations.

Veryst Solution:
Veryst works with its clients to design efficient, cost-effective test programs that capture a material’s temperature-dependent response with a select number of tests. Veryst supplies its clients with a data-set sufficient for understanding a material’s behavior at a specified range of temperatures from -80ºC – 280ºC using strategies involving non-standard loading histories and loading modes. An example for Polyether ether keytone (PEEK) is show above. This data set is sufficient to calibrate nonlinear material models for use in finite element simulations.

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