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Abstract Notch effect in porous polyurethane rigid (PUR) materials is analyzed using a ring shaped specimen containing a single radially U-notch of different tip radii. If the specimen is subjected… Click to show full abstract
Abstract Notch effect in porous polyurethane rigid (PUR) materials is analyzed using a ring shaped specimen containing a single radially U-notch of different tip radii. If the specimen is subjected to a diametrically compressive load, various mixed mode I/II conditions are acquired depending on the notch orientation angle. A comparison between our experimental results and the theoretical predictions based on local strain energy density approach is presented. This criterion provides reasonable results for the final critical fracture load.
Journal Title: Theoretical and Applied Fracture Mechanics
Year Published: 2018
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