Joining aluminum with dissimilar metals
Special features
FSW (aluminum and copper)
- Aluminum-copper joint products
Realize weight and cost reductions for conductive materials
- Aluminum-steel joint products
Achieve lighter weight of parts while securing structural strength
FSW
Upper sheet: 6016 aluminum alloy sheet
Lower sheet: Bare steel sheet, various types of galvanized steel sheets
Joint: Lap joint
Joining aluminum and resin
Special features
- The special porous structure provided by UACJ’s unique “KO treatment sheet”
surface treatment has achieved a favorable aluminum-resin joining strength.
Properties
Surface of KO treatment sheet
Difficulty level in aluminum-resin joining
Surface
treatment |
Resin materials |
| EP |
ES, PA |
PP, PPS, ABS |
| Easy ← → Difficult |
KO treatment
sheet |
〇 |
〇 |
〇 - △ |
| Anodizing |
〇 |
〇 |
△ - ✕ |
| Bonding Primer |
✕ |
△ |
〇 - △ |
| No treatment |
〇 |
△ |
✕ |
*Good 〇→△→✕ Defective
*Using hot pressing
