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

2020-1124-02
researcher's name
about researcher HOSOI, Atsushi Professor
affiliation
Faculty of Science and Engineering School of Fundamental Science and Engineering
research field
Materials/Mechanics of materials
keyword

background

● 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

summary

● 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

predominance

● 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

application/development

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

material

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