Lightweight Door Panel Made with Bio-Based Composite Material

Paper #:
  • 2012-01-0942

Published:
  • 2012-04-16
DOI:
  • 10.4271/2012-01-0942
Citation:
Sopher, S. and Sasaki, H., "Lightweight Door Panel Made with Bio-Based Composite Material," SAE Technical Paper 2012-01-0942, 2012, https://doi.org/10.4271/2012-01-0942.
Pages:
6
Abstract:
This paper presents a new concept for a 100% plastic prototype automotive door panel. This concept has the potential of providing a weight reduction of up to 40% compared to conventional steel door panels, but with equivalent performance (static strength).This innovative technology can be used for a variety of exterior automotive parts. The concept includes a composite sandwich panel combination of GFRP (glass-fiber-reinforced polymer), and LACTIF®, which is expanded beads foam made from PLA (polylactic acid) and developed by JSP Corporation.This GFRP+LACTIF® composite design offers the following characteristics: - Excellent environmental resistance, - Strong adhesion, - Equivalent static strength (versus conventional door panels), and - Design flexibility.This concept also offers an alternative to conventional steel door panel systems by using unsaturated polyester material of plant origin as part of the GFRP composite. Using this combination with PLA would yield a sustainable product containing up to 80% bio-based material.
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