Abstract
AbstractThe mode I critical stress intensity factorKIcfor wood and medium-density fiberboard (MDF) was obtained by conducting the single-edge-notched tension (SENT) test, designed for isotropic materials, under various loading conditions, and performing subsequent numerical analysis on the test data. The validity of the SENT test for this purpose was examined by conducting double cantilever beam (DCB) tests and comparing test data with those of the SENT tests. The best values ofKIcare obtained by conducting the SENT test under pin loading and introducing an additional crack length into the equations used for analyzing the test data.
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