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HomeUltra high-strength and ductile FeMnAlC light-weight steels (MnAl-steel)
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The aim of this project is to introduce and establish ultra high-strength and ductile light-weight steels containing high manganese, aluminium and carbon contents forindustrial production and applications for light-weight constructions. This class of steels is of great interest for the automotive industry as new components with reduced weight and with increased crash performance can be realised. Simultaneously, the understanding of the physical metallurgical mechanismscausing outstanding properties needs to be clarified in order tooptimise the microstructures and the resulting mechanical properties. In preceding tests at the MPIE, results demonstrated the general processabilityof six different FeMnAlC alloys. Based on this study the industrial partners AMR, TKSE and VAS then investigated the feasibility of industrial up-scaling in 100 kg-scale laboratory tests and by applying processing parameters of industrial relevance.So hot strips of all compositions were produced by conventional ingotcasting and hot rolling. These were then pickled, cold rolled, annealed and Zn-coated.The produced cold strips were characterised in detail including special in-useproperties like investigations on metal forming, fatigue, corrosion and joining,which are especially relevant for applications in the automotive sector.The feasibility of using continuous casting and strip casting as possible industrial processing routes was tested for FeMnAlC steels. The investigations were completed with simulations of crash deformations of concretecar body components and their validation with experiments performed on real partsmade of FeMnAlC steel. The conclusion is especially focused on industrialup-scaling and risk assessment.
- Published:
- Corporate author(s): Directorate-General for Research and Innovation (European Commission)
- Personal author(s): Bausch, M ; Samek, L ; Hofmann, H ; Didier, M ; Frommeyer, G ; Soler, M ; Balichev, E
- Themes: Industrial research and development , Basic metals industry, steel industry
- Subject: alloy , industrial research , iron and steel industry , iron and steel product , motor vehicle industry , research and development , research report , special steels , steel
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| ISSN 1831-9424 | ISBN 978-92-79-22245-0 | DOI 10.2777/33040 | Catalogue number KI-NA-25096-EN-N |
- Released on EU publications website:
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