Recent research into the interfacial properties of composite materials

Plasma Treatment of Composite Materials

Feature Article - Plasma treated composite carbon fibre

A fantastic article on the recent research into the interfacial properties of composite materials produced from reclaimed and plasma treated carbon fibre.

Read an excerpt from the article below:

Plasma treated composite carbon fibre

Effect of plasma surface treatment of recycled carbon fiber on carbon fiber-reinforced plastics (CFRP) interfacial properties

Highlights
  • Plasma treatment was used to improve the adhesion property between the recycled CF and polymer matrix.
  • In order to evaluate the adhesion between plasma treated recycled CF and polymer, micro droplet test was conducted.
  • The interfacial shear strength and the interfacial adhesion of recycled carbon fiber increased.
Abstract

We studied the effects of plasma surface treatment of recycled carbon fiber on adhesion of the fiber to polymers after various treatment times. Conventional surface treatment methods have been attempted for recycled carbon fiber, but most require very long processing times, which may increase cost. Hence, in this study, plasma processing was performed for 0.5 s or less. Surface functionalization was quantified by X-ray photoelectron spectroscopy. O/C increased from approximately 11% to 25%. The micro-droplet test of adhesion properties and the mechanical properties of CFRP were also investigated.

Keywords
  • Recycled carbon fiber
  • pasma surface treatment
  • CFRP
  • Interfacial properties
Corresponding author. Tel.: +81 8088229631. Copyright © 2014 Elsevier B.V. All rights reserved.
Hooseok Lee, , Isamu Ohsawa, Jun Takahashi, Department of Systems Innovation, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, Japan, Received 10 July 2014, Revised 30 November 2014, Accepted 1 December 2014, Available online 9 December 2014

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