NDLI: Stress intensity factors for bonded orthotropic strips with cracks

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Stress intensity factors for bonded orthotropic strips with cracks

Content Provider	NASA Technical Reports Server (NTRS)
Author	Delale, F. Erdogan, F.
Copyright Year	1978
Description	The elastostatic problem for a nonhomogeneous plane which consists of two sets of periodically arranged dissimilar orthotropic strips is considered. It is assumed that the plane contains a series of collinear cracks perpendicular to the interfaces and is loaded in tension away from and perpendicular to the cracks. Cracks fully imbedded into the homogenous strips were analyzed as well as the singular behavior of the stresses for two special crack geometries. The analysis of cracks crossing interfaces indicates that, for certain orthotropic material combinations, the stress state at the point of intersection of a crack and an interface may be bounded. A number of numerical examples are worked out in order to separate the primary material parameters influencing the stress intensity factors and the powers of stress singularity, and to determine the trends regarding the influence of the secondary parameters.
File Size	9675899
Page Count	52
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19790003984
Archival Resource Key	ark:/13960/t1bk65n8r
Language	English
Publisher Date	1978-06-01
Access Restriction	Open
Subject Keyword	Composite Materials Orthotropism Cracks Fractures Materials Ribbons Stress Distribution Kernel Functions Reinforcing Fibers Delaminating Elastostatics Laminates Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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