Low-Velocity Impacts on Scarf Joints

Scarf Joint; Low-velocity impact; Adhesion; Epoxy; Composites; Carbon Nanotubes

Authors

  • U.A. Khashaba Mechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, P.O. Box 80204, Jeddah 21589, Saudi Arabia
  • R. Othman Mechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, P.O. Box 80204, Jeddah 21589, Saudi Arabia
  • I.M.R. Najjar Mechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, P.O. Box 80204, Jeddah 21589, Saudi Arabia
December 7, 2017

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Adhesive bonding is widely used in several engineering fields. During fabrication or manufacturing low-velocity impacts can occur. In this work, low-velocity impact resistance of adhesively bonded composite scarf joint is investigates. Two adhesives are considered: a neat epoxy and a carbon nanotube (CNT) doped epoxy. It is showed the MWCNT doping increases the strength of the joint. However, absorbed energy and deflection at failure are decreased.