The fatigue assessment of automotive components is performed using statistical approaches to predict the reliability. The keystone of this evaluation is the specification which set the geometrical constraints linked to the vehicle architecture and the types of loading encountered. The computational fatigue design includes numerous difficulties conducting to a complex problem. This paper describes the main aspects of the approach : the definition of a loading representative of customer's uses including counting method and cumulative damage law, the multiaxial fatigue approach and fatigue criteria for plain and welded components and the risk analysis taking into account the fabrication scatter (material and process) with regard to the distribution of the customer's severity. Example of application on automotive chassis part, engine component or body are given to illustrate these new developments in fatigue assessment.


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    Titel :

    Fatigue and reliability in automotive design


    Weitere Titelangaben:

    Ermüdung und Zuverlässigkeit bei der konstruktiven Gestaltung von Kraftfahrzeugen


    Beteiligte:


    Erscheinungsdatum :

    2007


    Format / Umfang :

    7 Seiten, 5 Bilder, 5 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Fatigue assessment and reliability in automotive design

    Bignonnet, André / Thomas, Jean Jacques | SAE Technical Papers | 2001


    Reliability in automotive design

    Bertodo,R.G. / Austin Rover Group,GB | Kraftfahrwesen | 1989



    Design Reliability of Automotive Components

    Lipson, Charles | SAE Technical Papers | 1962


    Design reliability of automotive components

    Lipson, C. / Krafve, A.H. | Engineering Index Backfile | 1962