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Title: Mixed-Mode and Mode-II Fatigue Crack Growth in Woven Composites

Abstract

In this work, a woven carbon/epoxy composite was subjected to fatigue crack growth under mixed Mode-I/Mode-II loading to obtain crack growth behavior at different cyclic strain energies. Owing to the woven structure of the material, pure Mode-II fracture is usually a difficult proposition because of friction, interference, and interlock of woven tows in adjacent plies at an interlaminar crack. These limitations were overcome by the use of a novel form of mixed Mode-I/Mode-II specimen, which imposes sufficient crack surface opening (Mode-I) to alleviate ply-ply interactions, but not so much as to obscure the sliding (Mode-II) response. Finally, comparison with pure Mode-I fatigue crack growth data, in conjunction with a fracture interaction criterion, provided a means to extract the Mode-II behavior.

Authors:
 [1];  [1]
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  1. Northwestern Univ., Evanston, IL (United States)
Publication Date:
Research Org.:
Ford Motor Company, Detroit, MI (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
OSTI Identifier:
1504729
Grant/Contract Number:  
EE0006867
Resource Type:
Accepted Manuscript
Journal Name:
Proceedings of the Society for Experimental Mechanics Series
Additional Journal Information:
Journal Volume: 8; Related Information: Fracture, Fatigue, Failure and Damage Evolution; ISBN 978-3-319-42194-0; Journal ID: ISSN 2191-5644
Publisher:
Society for Experimental Mechanics - Springer
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Composites; Fracture; Fatigue; Mixed-Mode; Test Methods

Citation Formats

Fenner, Joel S., and Daniel, Isaac M.. Mixed-Mode and Mode-II Fatigue Crack Growth in Woven Composites. United States: N. p., 2016. Web. doi:10.1007/978-3-319-42195-7_10.
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Fenner, Joel S., & Daniel, Isaac M.. Mixed-Mode and Mode-II Fatigue Crack Growth in Woven Composites. United States. https://doi.org/10.1007/978-3-319-42195-7_10
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Fenner, Joel S., and Daniel, Isaac M.. Wed . "Mixed-Mode and Mode-II Fatigue Crack Growth in Woven Composites". United States. https://doi.org/10.1007/978-3-319-42195-7_10. https://www.osti.gov/servlets/purl/1504729.
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@article{osti_1504729,
title = {Mixed-Mode and Mode-II Fatigue Crack Growth in Woven Composites},
author = {Fenner, Joel S. and Daniel, Isaac M.},
abstractNote = {In this work, a woven carbon/epoxy composite was subjected to fatigue crack growth under mixed Mode-I/Mode-II loading to obtain crack growth behavior at different cyclic strain energies. Owing to the woven structure of the material, pure Mode-II fracture is usually a difficult proposition because of friction, interference, and interlock of woven tows in adjacent plies at an interlaminar crack. These limitations were overcome by the use of a novel form of mixed Mode-I/Mode-II specimen, which imposes sufficient crack surface opening (Mode-I) to alleviate ply-ply interactions, but not so much as to obscure the sliding (Mode-II) response. Finally, comparison with pure Mode-I fatigue crack growth data, in conjunction with a fracture interaction criterion, provided a means to extract the Mode-II behavior.},
doi = {10.1007/978-3-319-42195-7_10},
journal = {Proceedings of the Society for Experimental Mechanics Series},
number = ,
volume = 8,
place = {United States},
year = {2016},
month = {9}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1007/978-3-319-42195-7_10
Copyright Statement
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Citation Metrics:
Cited by: 3 works
Citation information provided by
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Figures / Tables:

Fig. 1 Fig. 1 : Representative load-displacement data from similar Mode-I fixed-width double cantilever beam (DCB) fracture specimens. Left: unidirectional carbon/epoxy composite, Right: woven carbon/epoxy composite, showing ‘stepwise’ behavior
All figures and tables (15 total)
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Works referenced in this record:

On the Analysis and Design of the End Notched Flexure (ENF) Specimen for Mode II Testing
journal, November 1986

  • Carlsson, L. A.; Gillespie, J. W.; Pipes, R. B.
  • Journal of Composite Materials, Vol. 20, Issue 6
  • DOI: 10.1177/002199838602000606

Measurement of mixed-mode delamination fracture toughness of unidirectional glass/epoxy composites with mixed-mode bending apparatus
journal, January 1996

Mode II Interlaminar Fracture and Damage Evaluation of GFRP Woven Laminates at Cryogenic Temperatures using the 4ENF Specimen
journal, June 2008

  • Shindo, Yasuhide; Sato, Takashi; Narita, Fumio
  • Journal of Composite Materials, Vol. 42, Issue 11
  • DOI: 10.1177/0021998308090451

Hybrid nanoreinforced carbon/epoxy composites for enhanced damage tolerance and fatigue life
journal, October 2014

Delamination Growth in Composites under Cyclic Loads
journal, May 1994

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    Figures / Tables found in this record:

    Fig. 1 (p. 1)figure
    Fig. 2 (p. 2)figure
    Fig. 3 (p. 2)figure
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    Fig. 5 (p. 4)figure
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    Fig. 10 (p. 6)figure
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    Fig. 10 (p. 8)figure
    Table 1 (p. 8)table
    Table 2 (p. 8)table
    Fig. 11 (p. 9)figure
    Table 3 (p. 10)table
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