Actions for Stress and Energy Based Fracture Conditions for Fiber-Wise Splitting in Composites

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Stress and Energy Based Fracture Conditions for Fiber-Wise Splitting in Composites / N. Suresh, ASD Wang

Conference Author
Composite Materials: Fatigue and Fracture: Fifth Volume (5th : 1993 : Atlanta, Georgia)
Physical Description
1 online resource (10 pages) : illustrations, figures, tables
Additional Creators
Suresh, N., Wang, ASD, American Society for Testing and Materials, and ASTM International
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Summary
This paper discusses the critical conditions for an interface-related fracture in epoxy-based graphite fiber-reinforced structural laminates. The specific fracture mode under consideration is that of a splitting crack along the fiber direction. Fiber-wise splitting often occurs in laminates that have holes, sharp notches, or cutouts due to stress concentration near these locations. The problem has been treated as an interface shear-dominated fracture, and methods of fracture mechanics are frequently employed for the purpose of analysis. Within this context, suitable mixed-mode fracture criteria are required. Past studies have used the strain energy release rates in the formulation of the desired criteria, and, depending on the test model used, the formulated criteria came in a variety of forms. Among several possible forms, the one form involving the total strain energy release rate (GI + GII) = constant has often been recommended. Recently, however, a form employing the stress intensity factors KI and KII has been deduced from a set of fiber-wise splitting test data. An apparent difference existed between criterion deduced based on G and that deduced based on K. Theoretically, of course, the two deduced criteria should be mutually equivalent.
Dates of Publication and/or Sequential Designation
Volume 1995, Issue 1230 (January 1995)
Subject(s)
Other Subject(s)
ISBN
9780803152977 (e-ISBN)
9780803120129
0803120125
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 8.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1995. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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