Please use this identifier to cite or link to this item: https://doi.org/10.1177/0021998310372713
Title: Evaluation of Notched Strength of Composite Laminates for Structural Design
Authors: Shah, P.D.
Melo, J.D.D.
Cimini Jr., C.A.
Ridha, M. 
Keywords: design allowable
failure criterion
failure envelope
open hole
Issue Date: Sep-2010
Citation: Shah, P.D., Melo, J.D.D., Cimini Jr., C.A., Ridha, M. (2010-09). Evaluation of Notched Strength of Composite Laminates for Structural Design. Journal of Composite Materials 44 (20) : 2381-2392. ScholarBank@NUS Repository. https://doi.org/10.1177/0021998310372713
Abstract: The use of notched specimens to generate design allowable is common practice among aircraft designers. This article assesses the limitations of open-hole tests and emphasizes the importance of numerical simulations to produce notched strength data for structural design allowable. Using numerical simulations, failure envelopes of open-hole specimens were obtained for two different quasi-isotropic carbon fiber-epoxy laminates, namely, [π/4]: [45/90/-45/0]4s and [π/3]: [0/ ± 60]5s. It was demonstrated that open-hole tests produce data that is very limited to the specific loading conditions and, therefore, shall not be directly applied to structural design. © 2010 The Author(s).
Source Title: Journal of Composite Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/85164
ISSN: 00219983
DOI: 10.1177/0021998310372713
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