Program Overview

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Keynote overview

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Sessions Overview

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Session 3

Session 3 - Body / Structure

Chair: Prof. Dr.-Ing. A. Erman Tekkaya
IUL Institut für Umformtechnik und Leichtbau, Universität Dortmund, Germany

Session 3 consists of four presentations dealing with various aspects of body and structure. The session presentations run from 15:00 until 17:00 o'clock.

10:30-11:00 Aluminium - a sustainable material for light-weight design in automotive

Dr. Dietrich Wieser
Director Business Development Ground Transportation, Alcoa Europe, Bonn, Germany

Abstract
- role of aluminium to reduce GHGs in transport,

- CO2 footprintof aluminium – primary and recycled

- importance of EoL assessment for aluminium products

- examples for weight reduction by aluminium in cars

11:00-11:30 Roadkart - an innovative small-series sportscar with an aluminium spaceframe construction

Prof. Dr.-Ing. Christian Schäfers
Body development and construction, University of Applied Sciences, Osnabrück, Germany

Abstract

11:30-12:00 Progress report about Adoption of Sheets and Profiles out of Magnesium alloy MnE21®

Peter Stolfig
Chairmen, Stolfig AG, Geisenfeld, Germany

Abstract

12:00-12:30 High strength aluminium 7xxx alloys for increased weight savings in BIW applications

Dr. CTW Lahaye
Aluminium Metallurgy Department, Aleris Aluminum Koblenz GmbH, Koblenz, Germany

Abstract
Passenger vehicles are becoming heavier as the levels of comfort and safety features are increased to meet current legislation and market demands. At the same time the demand for higher fuel economy and lower environmental impact is also rising. This has directly influenced the vehicle weight reduction trend and the increased application of lightweight aluminium alloys for body panels, with the well known 5xxx and 6xxx alloys predominating in closure applications. Currently, car body structures tend to be dominated by high strength steels, driven mainly by the crash requirements. Although different parts in the structure will have different requirements for strength and ductility, in general terms it can be stated that the use of these high strength steels gives improved crash performance in combination with down-gauging potential. Current 5xxx and 6xxx alloys have insufficient strength levels to compete with these high strength steels. Aleris Europe has extensive experience in the development and production of high strength and toughness 7xxx alloys, both sheet and extrusions, for the aerospace market. These alloys can offer a realistic alternative to high strength steels for car body structural applications, however the transition from aerospace to automotive is not entirely straight-forward due to the complex balance of properties required by the automotive market, such as strength, formability, crash behaviour and corrosion resistance.