The Doltrac project concentrates on the development of lightweight high-strength stainless steel sandwich panels to be used in floor sections of train wagons and metro cars. The project shows that high-strength stainless steels can be competitive with aluminium when used for lightweight constructions. Compared to aluminium, an important advantage is the high energy absorption of stainless steels in crashes. Production techniques such as forming and joining to manufacture high-strength stainless steel sandwich panels are described in this final report, as well as the fabrication of prototypes of these sandwich panels. Mechanical tests like bending, tensile, fatigue and crash tests for stainless steel sandwich structures have been carried out as part of this project. Corrosion tests were carried out to obtain information about the strength and corrosion resistance of the sandwich panels developed. The project has generated information and guidelines for the design, joining, forming and manufacturing of three newly developed high-strength stainless steel sandwich panels. Not investigated, but to be expected as a spinoff of this project, is that the sandwich panels developed can also be used for other parts of trains and metro cars (side wall and roof sections, etc.).


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    Titel :

    Development of lightweight trains and metro cars by using ultra-high-strength stainless steels


    Weitere Titelangaben:

    Entwicklung von Leichtbauzügen und -U-Bahnwagen durch Einsatz von ultrahochfesten nichtrostenden Stählen


    Beteiligte:
    Gales, A. (Autor:in) / Siren, M. (Autor:in) / Säynäjäkangas, J. (Autor:in) / Akdut, N. (Autor:in) / Hoecke, D. (Autor:in) / Sanchez, R. (Autor:in)


    Erscheinungsdatum :

    2007


    Format / Umfang :

    257 Seiten, 204 Bilder, 77 Tabellen, 2 Quellen




    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch





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