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Implication, Testing and Application of Composite Patches for Aviation Industry Structures

Moezzy Moein, Hossein | 2020

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 53600 (45)
  4. University: Sharif University of Technology
  5. Department: Aerospace Engineering
  6. Advisor(s): Abedian, Ali
  7. Abstract:
  8. An aerial structure can be at the disposal of the owners of damage or intellectual property during its lifetime, under the supervision of static and dynamic loads and providing information in the field of recognizing temperature, humidity and environmental pressure with high-speed gradient. Capable Composite patches are used to repair damaged areas. Composite patches have unique properties such as high strength to weight ratio and corrosion resistance. In structures modified with a composite patch, various failures occur during loading, including: fiber breakage, matrix fracture, separation of fibers from the matrix or the latest patch from the main structure and failure of the metal structure. The present study investigates the performance of a composite patch on T3-2024 tracker aluminum sheet with UD carbon composite of T-700S-12K type with static and property tests and compares it with the corrected sample with metal patch with the same modified defect.For this purpose, and using natural resources and financial resources, the use of aerospace engineering students of Sharif University of Technology and certified scientific articles in relation to, adhesive and metal patches, as well as samples provided by the cracker. And was built. After repairing samples prepared with metal and composite patches and undergoing tensile testing and placing these samples, it is determined that it has a very good performance and the tensile strength is much higher than the repaired sample. It is a metal patch
  9. Keywords:
  10. Carbon Fibers ; Composite Patch Repair ; Aluminum Alloy 2024 ; Metal Repair Patch ; Corrosion Resistance ; Aircraft Structures

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