Brake rotor cracking problems become increasingly important for heavy commercial vehicles. Existing test procedures are typically very time-consuming, predominantly empirical, and their results are subject to controversial discussions. Based on the analysis of established crack test procedures, a field analysis has been started for both road-load data and crack failure patterns. Possible programme modules are investigated by FEA (finite element analysis) and experiments using new thermal methods of investigation. A new method of crack testing was successfully demonstrated allowing for short-term crack prediction on a dynamometer test stand. The development of superior crack test procedures based on field data and scientific tools appears to be indispensable. A first draft for a future crack test procedure is proposed, inviting the braking community to join on-going development efforts.


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    Title :

    Investigation of CV rotor cracking test procedures


    Additional title:

    Untersuchung von Testverfahren für die Rißbildung an Bremsscheiben von Lastkraftwagen


    Contributors:
    Abendroth, H. (author) / Steffen, T. (author) / Falter, W. (author) / Heidt, R. (author)


    Publication date :

    2000


    Size :

    14 Seiten, 9 Bilder, 2 Tabellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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