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Constellium, Renault conclude R&D project advancing solutions for lighter cars
The Fly

Constellium, Renault conclude R&D project advancing solutions for lighter cars

Constellium (CSTM) announced the successful conclusion of the “ISA3” R&D project, initiated in 2021 to enhance lightweighting in automotive design. Conducted in partnership with Renault Group, ESI Group, the Institut de Soudure, and the University of Lorraine, and supported by a grant from the France Relance investment program, the project has set a benchmark for designing next-generation aluminium automotive components that are lightweight, cost-efficient, and recyclable. A major milestone of the project is a lightweight aluminium door, co-developed with Renault, using Constellium’s proprietary uni-alloy 6xxx rolled and extrusion-based solutions. This innovative design achieves a 14% weight reduction compared to a current aluminium door used in compact battery electric vehicles.

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