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Fraunhofer Institut LBF Bartningstr. 47 64289 Darmstadt, Germany http://www.fraunhofer.de
Contact Ms Kathrin Bauer-Troßmann +49 6151 705241

Neues Prüfverfahren für Sicherheitsbauteile

Leichtbaupotentiale von Legierungen schneller nutzbar

(PresseBox) (Darmstadt, )
Korrosion ist nicht erwünscht. Automobilhersteller fahnden daher für Fahrwerke ständig nach neuen Werkstoffen, denen Korrosion möglichst wenig anhaben kann und die gleichzeitig den Ansprüchen des Leichtbaus genügen. Eine Vielzahl legierungsspezifischer Tests hilft dabei, neue, zumeist höchstfeste Aluminiumwerkstoffe auszuwählen. Allerdings sind diese Tests nur eingeschränkt durch Felderfahrungen validiert und sie sehen keine einheitlichen Bewertungsmaßstäbe vor. Um das Leichtbaupotential neuer Legierungen dennoch optimal und zügig nutzen zu können, hat das Fraunhofer-Institut für Betriebsfestigkeit und Systemzuverlässigkeit LBF gemeinsam mit dem Institut für Werkstoffkunde der TU Darmstadt eine legierungsgruppenübergreifend anwendbare Qualifizierungsmethode entwickelt. Automobilhersteller und ihre Zulieferer können mit diesem einfachen, feldvalidierten Verfahren Aussagen über
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