Multi-Material Joining B-Pillar



View from vehicle outer

Body concept
Battery electric vehicle (Alive)

Roof rail
EN AW-6082 T6
Roof rail flange
EN AW-6016 T6
Adapter outer
B-pillar outer
phs-ultraform 1800

​Resistance spot welding
Conventional resistance spot welding of steel to steel
SWOPtec (Steel welded opposed plug technology)
Direct joining of aluminum and press hardened steel with conventional spot welding with two sided accessibility
Flow forming screwing
Joining of steel with prehole to aluminum profiles with one sided accessibility
Adhesive bonding
Galvanic separation of steel and aluminum by one-component epoxy

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