Mode III fracture energy of wood composites in comparison to solid wood |
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| Authors: | R J A Ehart S E Stanzl-Tschegg E K Tschegg |
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| Institution: | Institute of Applied and Technical Physics, Technical University of Vienna, Karlsplatz 13, A-1040 Wien, Austria, AT
Institute of Meteorology and Physics, University of Agricultural Sciences of Vienna, Türkenschanzstra?e 18, A-1180 Wien, Austria, AT
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| Abstract: | A simple experimental setup for mode III and mixed mode (I?+?III) fracture tests with anisotropic materials under steady state crack propagation has been developed. Load-displacement curves can be recorded up to the complete separation of the specimen. From the load-displacement curves several mechanical material parameters can be derived. The tests have been performed for solid wood and different wood composites, being PARALLAM® PSL in different orientations, particleboard and INTRALLAM® LSL, and the fracture behaviour is characterised by the specific fracture energy. |
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