Evaluation of Notched Strength of Composite Laminates for Structural Design-Reference-Cited by-同舟云学术

Evaluation of Notched Strength of Composite Laminates for Structural Design

Published:2010-05-19 Issue:20 Volume:44 Page:2381-2392
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Shah Pranav D.¹,Melo Jose Daniel D.²,Cimini C.A.³,Ridha Muhammad⁴

Affiliation:

1. Department of Aeronautics and Astronautics, Stanford University Durand Building, 496 Lomita Mall, Stanford, CA 94305-4035, USA,

2. Department of Aeronautics and Astronautics, Stanford University Durand Building, 496 Lomita Mall, Stanford, CA 94305-4035, USA

3. Department of Mechanical Design, State University of Campinas - UNICAMP R. Mendeleiev 200, Campinas-SP 13083-970, Brazil

4. Department of Mechanical Engineering, National University of Singapore 9 Engineering Drive 1, Singapore 117576, Singapore

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.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0021998310372713

Reference31 articles.

1. A Progressive Damage Methodology for Residual Strength Predictions of Notched Composite Panels

2. Evaluation of a damage-mechanics approach to the modelling of notched strength in KFRP and GRP cross-ply laminates

3. Notch sensitivity of thermoset and thermoplastic laminates loaded in tension

4. Strength of Tensile Loaded Graphite/Epoxy Laminates Containing Cracks, Open and Filled Holes

5. Damage mechanics of composite materials: I— Measurements of damage and strength

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