Development of Test Method for Evaluating Pure Mode Interlaminar Fracture Toughness of Dissimilar Materials

researcher's name
about researcher HOSOI, Atsushi Professor
Faculty of Science and Engineering School of Fundamental Science and Engineering
research field
Materials/Mechanics of materials


● Development of dissimilar joining technologies for multi-material automotive bodies and aircraft fuselages
● The Need for Accurate Mechanical Characterization of Fiber Reinforced Thermoplastics (FRTP) to Metal Joints


● Application of Double Cantilever Beam (DCB) test
● Cancel the effects of mixing modes when joining dissimilar materials and thermal residual stress
● Accurate mode I interlaminar fracture toughness evaluation


● Easy evaluation by conventional DCB test method
● Evaluation considering the effect of thermal residual stresses
● Applicable to any dissimilar material bonding specimen
● Obtaining fracture toughness values for numerical simulations


● Design of machines and structures with dissimilar materials
● Improvement in the bonding strength of FRTP and metals
● Development of new composite materials.


same researcher's seeds

  • Fabrication of carbon nanotube yarn with high functionality
  • Direct Bonding of Dissimilar Materials Having 3D Nanostructured Interfaces
  • Healing of Fatigue Crack in the Metallic Materials by Heat Treatment
  • Dissimilar Materials Bonding with 3D Nano Interface
posted: 2020/12/17