Transcript FAA Bonded Structure Projects

FAA Bonded Structure
Projects
Session Purpose
• Give understanding of FAA involvement in
bonded structures
• Show areas currently addressed by FAA
research
• Provide overview for discussion of needs
in bonded structure research
Current FAA Research
• Strength and Damage Tolerance of Adhesively
Bonded Joints
– Hyonny Kim
• Adhesive Behavior in Aircraft Applications
– John Tomblin
• Evaluation Code for Composite Joints in General
Aviation Structures
– Rachael Andrulonis
• UCSB Bond Structure Characterization Work
– Curtis Davies
Future FAA Bonded
Structures
• Adhesive Qualification Methodology
• Variable Bondline
Thickness Effects on
Adhesive Joint Strength
• Damage Tolerance on
Full-Scale Bonded
Assembly
Fixed-end
Base
Fixed-end
block
Load
Side Plate
(Inboard)
Loading
Plate
Side Plate
(Outboard)
2½ Cylindrical
Shaft
Pivot-end
Base
S p a r C lo s e o u t
B o n d e d to
S par C aps
A
Load
S e c t io n A - A
A
Pinned Joints
Through Center
of Spar Web
Specimen is bolted to this
side (Aluminum panel on
the other side)
Wing Skin Bonded
Directly to Spar Caps
Bending and
Torsion Loads