Konpositeen laminarteko hausturaren I/II modu mistoa aztertzen
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Abstract
Laminatu konpositeen I/II haustura modu mistoa aztertzeko energia askatze tasa baliokide baten hurbilketa berri bat proposatzen. Aurkeztutako hurbilketa balioztatzeko ENFR konfigurazioan norabide bakarreko laminatu konposite batean saiakuntza desberdinak burutzen dira. Pitzadura-hedapenean zehar energia askatze tasa baliokideak hartzen dituen baloreen arabera, materialaren ezaugarria kontsidera daitekeen ala ez ebaluatzen da.
An equivalent energy release rate is proposed to analyze I/II mixed-mode interlaminar fracture. Different tests in ENFR configuration with unidirectional composite laminate specimens are carried out in order to validate the proposed approach. Based on the values of the equivalent energy release rate during all the crack propagation, whether this approach will be considered a material property or not will be assessed.
An equivalent energy release rate is proposed to analyze I/II mixed-mode interlaminar fracture. Different tests in ENFR configuration with unidirectional composite laminate specimens are carried out in order to validate the proposed approach. Based on the values of the equivalent energy release rate during all the crack propagation, whether this approach will be considered a material property or not will be assessed.
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Keywords
laminarteko haustura, laminatu konpositeak, I/II modu mistoa, pitzadura-hedapena., interlaminar fracture, composite laminates, I/II mixed mode, crack propagation.