NDLI: Simplified procedures for designing adhesively bonded composite joints

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Simplified procedures for designing adhesively bonded composite joints

Content Provider	NASA Technical Reports Server (NTRS)
Author	Murthy, P. L. N. Chamis, C. C.
Copyright Year	1989
Description	Procedures for the preliminary design of composite adhesive joints are described. Typical joints, their respective free body diagrams, and approximate equations for estimating the stresses in each of these typical joints are summarized. Equations are also presented to check the critical conditions of the joint such as minimum length, maximum adhesive shear stress, and peel-off stress. To illustrate the procedure, sample designs are described in step-by-step fashion for a butt joint with single doubler subjected to static loads, cyclic loads, and environmental effects. The results show that unsymmetric adhesive joints are inefficient and should be avoided, and hygrothermal environments and cyclic loads dramatically reduce the structural integrity of the joint and require several joint lengths compared with those for static load with no environmental effects.
File Size	558595
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19890016677
Archival Resource Key	ark:/13960/t4qk29x1b
Language	English
Publisher Date	1989-02-01
Access Restriction	Open
Subject Keyword	Composite Materials Stress Analysis Temperature Effects Moisture Cyclic Loads Adhesion Tests Shear Stress Fiber Composites Adhesive Bonding Static Loads Butt Joints 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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