An experimental investigation of mechanical and frequency-response-based properties at the structural and constitutional levels of various micro-composite structures of E-springs for vehicle suspension systems was conducted. This experimental research work was carried out through computerized universal testing machine, frequency spectrum analyzer, and pulse-echo ultrasonic signal analyzer. Significant improvements in laminate intrinsic properties resulted from micro-scale additives of mineral clay powder and E-glass fiber powder. Micro-composite E-springs of purified ISO-phthalic polyester with mineral clay powder and E-glass fiber powder additives of by-volume 10% remedied the long-term creep effect on composite structures and demonstrated significant improvements in stiffness, strength, elastic moduli, and structural damping. In addition to the apparent advantages of the rattle space saving and the distinct deflection capability of E-springs, these additives struck a balance among high strength, high toughness, lightweight and consequently improved fuel consumption economy, and low cost. The micro-composite E-spring of purified ISO-phthalic polyester with mineral clay powder proved to have properties that can surpass those of the traditional steel semi-elliptic multi-leaf spring and steel helical compression spring. Characteristics of soft springing, rising-rate spring stiffness, and superior damping of the stand-alone micro-composite E-spring could nominate it to displace the traditional steel spring/hydraulic damper system in both of the passive and semi-active vehicle suspension systems. Its reliable, simple, and cost-effective attributes can give it plus advantages.


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    Titel :

    Experimental analysis of laminated fibrous micro-composite E-springs for vehicle suspension systems


    Weitere Titelangaben:

    Experimentelle Untersuchung von laminierten Fasermikroverbund-E-Federn für Fahrzeugradaufhängungen


    Beteiligte:


    Erscheinungsdatum :

    2005


    Format / Umfang :

    8 Seiten, 5 Bilder, 7 Tabellen, 8 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    Elmoselhy,S.A. / Azzam,B.S. / Metwalli,S.M. et al. | Kraftfahrwesen | 2005


    Transmissibility and Experimental Analyses of Laminated Fibrous Micro-Composite E-Springs for Vehicle Suspension Systems

    Azzam, Badr S. / Elmoselhy, Salah A. / Metwalli, Sayed M. | SAE Technical Papers | 2005


    Hybrid shape optimization and failure analysis of laminated fibrous composite E-springs for vehicle suspension

    Elmoselhy, Salah A. / Azzam, Badr S. / Metwalli, Sayed M. et al. | Tema Archiv | 2006


    Hybrid Shape Optimization and Failure Analysis of Laminated Fibrous Composite E-Springs for Vehicle Suspension

    Azzam, Badr S. / Dadoura, Hasan H. / Elmoselhy, Salah A. et al. | SAE Technical Papers | 2006


    2006-01-3586 Hybrid Shape Optimization and Failure Analysis of Laminated Fibrous Composite E-Springs for Vehicle Suspension

    Elmoselhy, S. A. / Azzam, B. S. / Metwalli, S. M. et al. | British Library Conference Proceedings | 2006