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ArcelorMittal experts present smart steel solutions at Materials for Future Mobility 2021

The 2021 edition of the Materials for Future Mobility conference will be held virtually from 3 to 4 February 2021. Smart steel solutions will be at the center of attention: two ArcelorMittal experts will give separate presentations during the event. Didier Sarnowski will co-present a presentation with Renault about the use of 2nd Gen Press Hardenable Steels for a laser welded B-pillar. On the same day, Lode Vandenbossche will focus on the use of innovative electrical steels for electric vehicles.

Using second generation PHS to create a B-pillar application

Didier Sarnowski, a Resident Engineer with ArcelorMittal Europe – Flat Products will present a paper on the use of 2nd generation hot stamping grades - also called press hardenable steels (PHS) at Renault. He will share the floor with Patrice Belliard from Groupe Renault.

The presentation will provide an overview of the collaborative validation program between ArcelorMittal and Renault which has resulted in the development of a Usibor® 2000 solution for a B-pillar application.

Experimental tests have confirmed the improved crash performance of the Usibor® 2000 / Ductibor® 1000 laser welded blank (LWB) solution. Compared to an existing Usibor® 1500 / Ductibor® 500 LWB part, the second generation PHS solution offers a 30 percent increase in energy absorption.

The program results have inspired Renault to accelerate the implementation of second generation PHS steels such as Usibor® 2000 and Ductibor® 1000. It has also given Renault confidence in the robustness of the Ablation 2.0 process developed by ArcelorMittal's Tailored Blanks division. This process has been used to manufacture the laser welded B-pillar application using second generation PHS.

The presentation by Didier Sarnowski and Patrice Belliard will begin on 3 February 2021 at 10h30 CET.

Didier Sarnowski, Resident Engineer, ArcelorMittal Europe – Flat Products

Didier Sarnowski, Resident Engineer, ArcelorMittal Europe – Flat Products

Usibor® 2000 / Ductibor® 1000 LWB B-pillar

Usibor® 2000 / Ductibor® 1000 LWB B-pillar

Boosting power density with higher strength, low loss electrical steels

Lode Vandenbossche, an electrical steel development engineer with ArcelorMittal Global R&D, will present a paper authored by his colleague Ahmed Abdallh from Global R&D. During his presentation, Lode will outline how new, higher strength low loss electrical steels such as iCARe® 420 from ArcelorMittal result in more compact traction motors and improve the driving range of electric vehicles.

The improved and guaranteed yield strength (420 MPa) of the iCARe® 420 Save products enables optimised mechanical rotor designs and/or an increase in the electrical motor’s rotating speed.

This enhances the power density of the motor. Combined with the low losses of these grades, the mechanical rotor design optimisations increase overall motor performance and efficiency.

The presentation by Lode Vandenbossche will take place on 3 February 2021 at 10h50 CET.

Lode Vandenbossche, Electrical Steel Development Engineer, ArcelorMittal Global R&D,

Lode Vandenbossche, Electrical Steel Development Engineer, ArcelorMittal Global R&D,

Rotor / stator

 

All delegates to the Materials for Future Mobility 2021 conference are welcome to attend these presentations digitally.

 

More info about the event and how to register on the SIA website

 

More info about 2nd generation Press Hardenable Steels

 

More info about iCARe® 420 Save electrical steels for automotive traction

 

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