Dedicated numerical simulation tools for Laser Welded Blanks

2
Dedicated numerical simulation tools for Laser Welded Blanks A unique Forming Limit Curve model specific to Laser Welded Blanks Fracture on real part Part feasibility looks OK Rupture prediction Simulation WITHOUT Tailored Blanks FLC for material A1 and B1 Tailored Blanks FLC allows to predict rupture by stamping simulation Simulation WITH Tailored Blanks FLC for material A1 and B1 Comparison between experimental results and predictions from the new ArcelorMittal Tailored Blanks model for the uniform elongation: excellent correlation in all cases. Various configurations of assembly have been tested, with a large variety of thickness gauges, and with various steel grades such as Dual Phase 600, Dual Phase 780, Dual Phase 980, TRIP 700, TRIP 800, Multiphase 1000… Tailored Blanks

Transcript of Dedicated numerical simulation tools for Laser Welded Blanks

Dedicated numerical simulationtools for Laser Welded Blanks

A unique Forming Limit Curve model specific to Laser Welded Blanks

Fracture on real part

Part feasibilitylooks OK

Rupture prediction

Simulation WITHOUT Tailored Blanks FLC for material A1 and B1

Tailored Blanks FLC allows to predict rupture by stamping simulation

Simulation WITH Tailored Blanks FLC for material A1 and B1

Comparison between experimental results and predictionsfrom the new ArcelorMittal Tailored Blanks model for the uniform elongation: excellent correlation in all cases.

Various configurations of assembly have been tested,with a large variety of thickness gauges, and with various steel grades such as Dual Phase 600, Dual Phase 780, Dual Phase 980, TRIP 700, TRIP 800, Multiphase 1000…

Tailored Blanks

ArcelorMittal Tailored BlanksInnovatis5, rue Luigi CherubiniF-93212 La Plaine St-Denis Francewww.arcelormittal.com

Tailored Blanks Engineering Services

Minimum blank size of the Tailored Blanks calculation

Body in White reviews

> To determine cost savings or improvements by using Tailored Blanks

Formability study of theTailored Blanks

> Tailored Blanks dedicated tool for this specific product.

> We also take into account weld own resistance to be very accurate.

Cost assessment & Mass comparison with post Assembly solution

> We can realize complete business cases to compare Tailored Blanks solution with any other one.