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Commercial validation of impact spot welding: TVSF Phase 1 and accelerator award



Principal Investigators: Glenn Daehn, Anupam Vivek

Main personnel: Geoff Taber, Yu Mao, Angshuman Kapil, Brian Thurston, Alex Koenig

A prototype device was constructed to test weldability of aluminum and steel within a cycle time 1 minute.

A more flexible pedestal welder with further reduced noise and debris is being developed during remainder of this program (8/15-12/16).

Newly constructed VFAW system and resultant aluminum steel spot weld

Results from TVSF project: (left) welded sample failing in parent aluminum during mechanical testing, (right) load vs displacement curve showing approximate failure loads of 6000 Newtons.