Investigation of Fracture Toughness of Laminated Stitched Composites Subjected to Mixed Mode Loading-Reference-Cited by-同舟云学术

Investigation of Fracture Toughness of Laminated Stitched Composites Subjected to Mixed Mode Loading

Published:2009-01-12 Issue:3 Volume:29 Page:422-430
ISSN:0731-6844
Container-title:Journal of Reinforced Plastics and Composites
language:en
Short-container-title:Journal of Reinforced Plastics and Composites

Author:

Rys Tomek¹,Sankar Bhavani V.²,Ifju Peter G.¹

Affiliation:

1. Department of Mechanical and Aerospace Engineering University of Florida, Gainesville, Florida 32611-6250, USA

2. Department of Mechanical and Aerospace Engineering University of Florida, Gainesville, Florida 32611-6250, USA,

Abstract

Through-the-thickness stitching is a method that increases the translaminar strength and apparent fracture toughness of laminated composites. A novel test fixture was developed to measure mixed mode fracture toughness under combined Mode I and Mode II loadings. This fixture allowed the ratio between Mode I and Mode II to be varied in order to perform tests under a wide range of mixed mode conditions. Through testing it has been shown that stitching increases Mode I fracture toughness 20—50 times while playing a less significant role in increasing Mode II fracture toughness.

Publisher

SAGE Publications

Subject

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

Link

http://journals.sagepub.com/doi/pdf/10.1177/0731684408099407

Reference11 articles.

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2. Dexter, H.B. and Funk, J.G. ( 1986). Impact Resistance and Interlaminar Fracture Toughness of Through the Thickness Reinforced Graphite/Epoxy, AIAA Paper 86-1020-CP, pp. 700-709.

3. Sublaminate Buckling and Compression Strength of Stitched Uniweave Graphite/Epoxy Laminates

4. Effect of Stitching on Impact and Interlaminar Properties of Graphite/Epoxy Laminates

5. Mode II delamination toughness of stitched graphite/epoxy textile composites

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