Fracture – Mechanics of Polymers

Comparison between two fracture tests, SENB vs. DCDC applied to acrylate polymers

November 25, 2024 by admin

We have compared the mode I opening critical energy release rate (GIc) measured using the single edge notch bending test and double cleavage drilled compression test on an elastic fragile PMMA and a bulk viscoplastic acrylate used as a glue for wind turbine blades. The study details the experimental procedure, for the crack initiation and...

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DCDC Fracture phase-field Polymer SENB

Damage phase-field approach vs. Cohesive zone model for double cleavage drilled compression fracture test

November 25, 2024 by admin

The double cleavage drilled compression (DCDC) test has been introduced for glass but also extended to test polymer. It is a slender prismatic specimen with a hole in its middle and cracks that are initiated at both poles. It is interesting because the loading is uniaxial compression and the cracks are submitted to opening mode...

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cohesive zone model DCDC Fracture phase-field Polymer viscoplasticity

Fracture of carbon-black filled elastomers submitted to monotonous loadings

December 21, 2017 by admin

We are currently interested in the catastrophic failure of carbon-black filled and unfilled elastomers submitted to monotonous loadings (not fatigue). First part of this work is to establish a clear criterion for mode I catastrophic fracture when it happens. For this purpose, single edge notch tension tests were run on three different materials, an unfilled styrene...

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Carbon-black Fracture Rubber SENT