The dent resistance of an automotive body panel has been used as one of key design parameters for automotive body panels. Quasi-static dent testing procedures have been well documented in North America using A/SP Standard Dent Resistance Test Procedures and numerous publications in static denting are also available. However, test procedures under dynamic denting are not very well documented and limited data exist on dynamic denting performance of automotive body panels. In this paper, dynamic dent tests are carried out using different impact velocities and different test procedures. The advantages and disadvantages of test procedures are discussed. Different ways to characterize the dynamic dent test results are investigated and discussed. Due to higher impact velocity during the dynamic dent testing, the acceleration effect must be considered in the data analysis. Experiments were carried out on a hydraulic controlled dynamic dent tester. A laboratory produced stretch dome panel with 2 % equally biaxial strains was used as the test specimen. Two different steel grades are used: a mild steel and a high strength steel. Test results are also compared to static dent test results.


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    Title :

    Development of dynamic dent resistance testing procedures


    Contributors:
    Shih, H.C. (author) / Shi, M.F. (author)


    Publication date :

    2003


    Size :

    10 Seiten, 19 Bilder, 4 Tabellen, 19 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Development of dynamic dent resistance testing procedures

    Shih,H. / Shi,M.F. / United States Steel,US | Automotive engineering | 2003


    Development of Dynamic Dent Resistance Testing Procedures

    Shih, Hua-Chu / Shi, Ming F. | SAE Technical Papers | 2003


    Dynamic dent resistance performance of steels and aluminium

    Shi,M.F. / Zurdoskz,S.J. / National Steel,US et al. | Automotive engineering | 1993


    Dynamic dent resistance performance of steels and aluminum

    Ming F. Shi / Zurdosky, S.J. | Tema Archive | 1993