Khan, S. M. A. and Es Saheb, M. and Mohsin, M. E. A. (2017) Fatigue life enhancement of cracked aerospace grade aluminium repaired with bonded composite patch: experimental study. Chemical Engineering Transactions, 56 . pp. 1873-1878. ISSN 2283-9216
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Abstract
Bonded composite patch repair of cracked components and weakened aircraft structures has gained high acceptance and demand. In the present study, fatigue crack behavior of 2 mm thick V-notched aluminum 2024-T3 plates, repaired with composite patch was experimentally investigated. This includes assessment of repair efficiency and fatigue life of cracked samples repaired at different levels of crack length. The experimental results showed that the reinforcement of patch increases the fatigue life about 4.5 times. However, the repair efficiency decreases with initial crack length. Consequently, cracks must be repaired as soon as detected. The SEM images clearly demonstrate that the fracture mode of 2024-T3 is predominantly trans-granular with small sized dimples.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | aircraft structures, repair efficiency |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical Engineering |
| ID Code: | 75837 |
| Deposited By: | Widya Wahid |
| Deposited On: | 30 May 2018 04:01 |
| Last Modified: | 30 May 2018 04:01 |
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