To reduce the weight of suspension coil springs for automobiles, high-strength steel has been developed. However, in general, strength and corrosion fatigue are contradictory. Therefore, the technology basis is to raise durability and sag resistance. Moreover, further improvement of the corrosion fatigue strength is important. As a solution for this problem, element design, which improved the performance against corrosion, and optimum condition of shot peening process were studied. As a result, high-strength suspension coil springs having superior corrosion fatigue strength compared with the spring made of SAE9260 were developed.


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    Title :

    Effect of alloying elements and surface treatment on corrosion fatigue strength of high-strength suspension coil springs


    Additional title:

    Einfluss von Legierungselementen und Oberflächenbehandlung auf die Korrosionsermüdung hochfester Fahrwerks-Schraubenfedern


    Contributors:
    Nakano, T. (author) / Sakakibara, T. (author) / Wakita, M. (author) / Sugimoto, A. (author)

    Published in:

    JSAE Review ; 22 , 3 ; 337-342


    Publication date :

    2001


    Size :

    6 Seiten, 16 Bilder, 2 Tabellen, 7 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






    Development of High-Strength Suspension Coil Springs in Which Corrosion Fatigue Strength is Important

    Sugimoto, Atsushi / Wakita, Masami / Sakakibara, Takayuki et al. | SAE Technical Papers | 2000


    Development of high-strength suspension coil springs in wich corrosion fatigue strength is important

    Nakano,T. / Sakakibara,T. / Wakita,M. et al. | Automotive engineering | 2000


    Development of High-Strength Suspension Coil Springs in which Corrosion Fatigue Strength is Important

    Nakano, T. / Sakakibara, T. / Wakita, M. et al. | British Library Conference Proceedings | 2000