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An experimental and numerical study of repairs on composite substrates with composite and aluminum doublers using riveted, bonded, and hybrid joints

Author
Pitta, S.; Roure, F.; Crespo, D.; Rojas, J.I.
Type of activity
Journal article
Journal
Materials
Date of publication
2019-09-14
Volume
12
Number
18
First page
1
Last page
19
DOI
10.3390/ma12182978
Project funding
Organic and Metallic Glasses: Dynamics, Recrystallization and Vibrational Properties
Transicions de fase, polimorfisme, vidres i dinàmica de la metastabilitat
Repository
http://hdl.handle.net/2117/168752 Open in new window
https://www.mdpi.com/1996-1944/12/18/2978/pdf Open in new window
URL
https://www.mdpi.com/ Open in new window
Abstract
In this work, experimental and numerical analyses of repairs on carbon fiber reinforced epoxy (CFRE) substrates, with CFRE and aluminum alloy doublers typical of aircraft structures, are presented. The substrates have a bridge gap of 12.7 mm (simulated crack), repaired with twin doublers joined with riveted, adhesive bonded, and hybrid joints. The performance of the repairs using different doubler materials and joining techniques are compared under static loading. The experimental results show t...
Keywords
Adhesive bond, Aluminum alloy, Carbon fiber reinforced epoxy composite, Hybrid, Rivets, Strength, Substrate
Group of research
GCM - Group of Characterization of Materials
REMM - Structures and Mechanics of Materials Research

Participants