Fatigue Life Prediction of Cross-Ply Composite Laminates / J-W Lee, IM. Daniel, G. Yaniv
- Conference Author:
- Composite Materials: Fatigue and Fracture, Second Volume (2nd : 1987 : Cincinnati, Ohio)
- Physical Description:
- 1 online resource (10 pages) : illustrations, figures, tables
- Additional Creators:
- Daniel, IM.
Lee, J. W.
American Society for Testing and Materials
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- Fatigue damage development in cross-ply laminates consists of transverse matrix cracking followed by longitudinal matrix cracking, local delaminations at crack intersections, and ultimately longitudinal fiber breakage of the load-carrying plies. Ultimate failure is determined by the manner in which the load is redistributed and transferred into the load-carrying plies. A model was developed for predicting fatigue life of cross-ply laminates which develop transverse cracking up to the characteristic damage state (CDS) level before fatigue failure. The fatigue life consists of two portions: the portion necessary to reach the CDS and the residual life after attainment of the CDS. A procedure for estimating the CDS life is described based on the relationship between residual stiffness and crack density and the stress-life (S-N) curve of the 90¿̐ư lamina. The residual life after CDS was obtained by calculating the stress carried by the 0¿̐ư plies and assuming that these plies within the damaged laminate behave like a 0¿̐ư lamina under cyclic loading. Fatigue life predictions were in good agreement with experimental results for three graphite/epoxy cross-ply laminates.
- Dates of Publication and/or Sequential Designation:
- Volume 1989, Issue 1012 (January 1989)
- 9780803150751 (e-ISBN)
- Digital File Characteristics:
- text file PDF
- Bibliography Note:
- Includes bibliographical references 11.
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- Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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- Reproduction Note:
- Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1989. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
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- Mode of access: World Wide Web.
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- ASTM International PDF Purchase price USD25.
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