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Experimental Analysis of Laminated Fibrous Micro-Composite E-Springs for Vehicle Suspension Systems

[+] Author Affiliations
Salah A. Elmoselhy, Badr S. Azzam, Sayed M. Metwalli

Cairo University

Paper No. IMECE2005-80780, pp. 1041-1048; 8 pages
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Manufacturing Engineering and Materials Handling, Parts A and B
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Manufacturing Engineering Division and Materials Handling Division
  • ISBN: 0-7918-4223-1 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME


Laminated fibrous micro-composite E-spring is an optimized trend of springs for vehicle suspension systems. The mechanical and frequency-response-based properties of these springs are investigated experimentally at both of the structural and constitutional levels. Thermoplastic-based and thermoset-based fibrous composite structures of the E-springs are modified at micro-scale with various additives and consequently they are compared. The experimental results reveal that additives of micrometer-sized particles of E-glass fibers as well as mineral clay to an ISO-phthalic polyester resin of the micro-composite E-spring can demonstrate superior characteristics that can surpass those of the traditional steel springs. Accordingly, micro-composite E-springs can displace both of the hydraulic dampers and steel springs in both of the passive and semi-active suspension systems in a reliable, simple, and cost-effective way.

Copyright © 2005 by ASME



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