The Characterization of Discontinuous Carbon Fiber Mat Reinforced Epoxy Composite Materials

Abstract:

The carbon fiber mat preforms are prepared by an air laid method with different fiber lengths of 10mm, 30mm and 50mm to characterize the resultant discontinuous composites. The composites are manufactured by a vacuum assisted resin infusion (VaRI) molding technique with the use of epoxy resins to investigate the effects of carbon fiber length on their physical and mechanical properties. The void content and thickness of the composites decrease with the increase in the fiber length at the same VaRI processing conditions. The tensile, flexural, impact properties of the composites are improved by increasing the fiber length in the textile preforms. By comparing with those of carbon fiber fabric reinforced composites, the discontinuous composites demonstrate the excellent performance in strength and modulus in spite of lower fiber volume fraction.

• Periodical: Advanced Materials Research (Volume 1110)
• Pages: 77-81
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1110.77
• Online since: June 2015
• Authors: Eun Soo Lee, Daniel Buecher, Si Hoon Jang, Dae Young Lim, Ki Young Kim*
• Keywords: Air Laid, Carbon Fiber Mat, Composite, Fiber Length, Preforms, Resin Infusion

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