Polymers

Material Testing 2.0: IDICS2022

Presentation given at IDICS 2022, Boston, USA

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Single Point Incremental Sheet Forming

Determination of thickness variations in a single point incremental sheet forming process (SPIF).

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The EGI to rank constitutive model performance

Ranking of constitutive model performance based on equilibrium gap indicator (EGI).

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Real-time signal feedback for communication with a test bench

Real-time signal feedback for communication with a test bench

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Strain controlled tensile test using real-time DIC feedback

Using real-time DIC feedback to perform a strain-controlled uniaxial tensile test on a high density polyethylene test sample.  

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Force reconstruction to troubleshoot constitu- tive model problems

Troubleshoot constitutive model related problems using MatchID’s force reconstruction tool. 

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J-integral

Path and domain J-integrals of a PMMA elongated half compact tension C(T) specimen under Mode I loading.

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FEA Validation of Brazilian Disk

FEA validation of a PMMA disk under compression reveals that identical filtering is needed.

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High-speed impact test on a PS foam

Accurate displacement, strain and stress determination of a drop impact on a PS foam beam.

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Compression of a rigid PU foam

Compression up to 60% of strain imposed on a PU foam.

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Drop test of a stand-up pouch

High-Speed Stereo-DIC  to accurately capture large deformations, accelerations and strain rates of a pouch.

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Tensile test of a LLDPE film

Stress and Poisson ratio determination of a LLDPE film involving strains up to 160%.

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Characterisation of PVC Foam Using DIC and VFM

Applying the VFM on an optimized test configuration reduces the number of tests by a factor of three.

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