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An investigation into friction behaviour of dispersion-strengthened copper under severe railway braking conditions

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A dispersion-strengthened copper (DSC) has been studied as an alternative material for railway brake discs, to be used in severe railway braking applications. Compared to standard steel, the DSC shows a more homogeneous thermal field at the friction surface. This also applies in depth, both avoiding hot spots. This thermal behaviour implies a lower wear and a very interesting friction coefficient evolution without any “anti-fade” phenomenon.

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Acknowledgments

This work was supported by FAPA PREDIT program. The authors are grateful to Alstom Transport Company, FEDER and the Région Nord Pas-de-Calais (France) for their continuing support in the field of braking tribometer development.

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Correspondence to G. Degallaix.

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Roussette, O., Desplanques, Y. & Degallaix, G. An investigation into friction behaviour of dispersion-strengthened copper under severe railway braking conditions. Tribol Lett 21, 101–105 (2006). https://doi.org/10.1007/s11249-006-9019-6

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  • DOI: https://doi.org/10.1007/s11249-006-9019-6

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