A Practical Tool for the Preliminary Design of Bonded Composite Repairs

Composite structures are increasingly finding more applications in the aeronautical field as well as the automotive one, thanks to their low weight – performance ratios, in terms of strength and stiffness. However, composite materials, as well known, are characterized by a critical behavior in terms...

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Bibliographic Details
Published in:Applied composite materials 2014-06, Vol.21 (3), p.495-509
Main Authors: Riccio, A., Di Felice, G., Scaramuzzino, F., Sellitto, A.
Format: Article
Language:English
Subjects:
Automotive components
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Composite materials
Composite structures
Damage
Industrial Chemistry/Chemical Engineering
Maintenance
Materials Science
Polymer Sciences
Repairing
Stiffness
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Summary:Composite structures are increasingly finding more applications in the aeronautical field as well as the automotive one, thanks to their low weight – performance ratios, in terms of strength and stiffness. However, composite materials, as well known, are characterized by a critical behavior in terms of detectability of damage and performances of damaged components. A critical aspect related to damaged composite structures is, for sure, the repair aimed to restore the original stiffness and strength characteristics of the component depending on the damage typology and location. In this paper, a preliminary repair design tool is presented. The tool is aimed to help the designer by suggesting different repair typologies and proper repair size. This tool, by means of optimization analyses can provide the best repair solution with minimal adhesive shear stress and size of the repair patch. The tool has been tested against a literature case study on multistep composite-metal joints.
ISSN:0929-189X
1573-4897
DOI:10.1007/s10443-013-9355-2