joining technology

Joining dissimilar materials

Joining aluminum with dissimilar metals

Special features

FSW (aluminum and copper)
FSW (aluminum and copper)

Case examples

Method for joining dissimilar materials: aluminum and steel

MIG welding

Upper sheet: 6016 Aluminum alloy sheet
Lower sheet: Galvannealed steel sheet
Joint: Lap fillet joint
Filler metal: 4043 φ1.2
MIG welding

MIG welding

Upper sheet: 6016 aluminum alloy sheet
Lower sheet: Bare steel sheet, various types of galvanized steel sheets
Joint: Lap joint
MIG welding

Joining aluminum and resin

Special features

Properties

Surface of KO treatment sheet

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 - △
Anodizing △ - ✕
Bonding Primer 〇 - △
No treatment
*Good 〇→△→✕ Defective
*Using hot pressing