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Analysis of a unidirectional, symmetric buffer strip laminate with damageA method for predicting the fracture behavior of hybrid buffer strip laminates is presented in which the classical shear-lag model is used to represent the shear stress distribution between adjacent fibers. The method is demonstrated by applying it to a notched graphite/epoxy laminate, and the results show clearly the manner in which the most efficient combination of buffer strip properties can be selected in order to arrest the crack. The ultimate failure stress of the laminate is plotted vs the buffer strip width. It is shown that in the case of graphite-epoxy and S-glass epoxy laminates, the optimum buffer strip spacing to width ratio should be about four to one.
Document ID
19850039777
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Dharani, L. R.
(Missouri-Rolla, University Rolla, MO, United States)
Goree, J. G.
(Clemson University Clemson, SC, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1984
Publication Information
Publication: Engineering Fracture Mechanics
Volume: 20
Issue: 5-6
ISSN: 0013-7944
Subject Category
Structural Mechanics
Accession Number
85A21928
Funding Number(s)
CONTRACT_GRANT: NSG-1297
Distribution Limits
Public
Copyright
Other

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