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Polyamide 6/carbon fiber laminated composites

C. E. PELIN1,2, A. STEFAN1,* , I. DINCĂ1, A. FICAI2, G. PELIN1,2, E. ANDRONESCU2, D. CONSTANTINESCU3, G. VOICU2

Affiliation

  1. National Institute for Aerospace Research and Development “Elie Carafoli”, 220 Iuliu Maniu Blvd., 061126, Bucharest, Romania
  2. Politehnica” University of Bucharest, Faculty of Applied Chemistry and Materials Science, 1-7 Polizu St., 011061, Bucharest, Romania.
  3. SC ICEFS COM SRL, 1 Uzinei St., 617410, Săvineşti, Neamt District, Romania

Abstract

The work presents a novel simple route to obtain new laminated composites based on carbon fiber fabric layers and polyamide 6 plates, processed via hot melting pressing technique. The paper describes the obtaining process of the composite and the evaluation of its characteristics. Polyamide 6 was used as thermoplastic matrix in form of extruded plates, and it was reinforced with two layers of carbon fiber plain weave fabric. The assembly was pressed at high temperature in order to obtain a laminated structure material. Electronic microscopy and infrared spectroscopy analyses as well as mechanical tests were performed on the final composites as well as on the raw matrix material. The laminated composite was characterized using a relatively new technique consisting of FTIR microscopy. The results of these analyses confirmed the results obtained for the mechanical testing of the tension and flexural strength and modulus. The carbon fabric laminate presented remarkable increase of mechanical characteristics regarding both tensile and flexural strength and excellent improvement of elasticity modulus, with minor increase of density. The characteristics of the new composites based on carbon fiber make them potential candidates for different applications where high mechanical performance and lightweight are crucial elements..

Keywords

Carbon fiber fabric, Polyamide 6, Laminated composites, Tensile strength, Modulus.

Submitted at: Feb. 20, 2015
Accepted at: May 7, 2015

Citation

C. E. PELIN, A. STEFAN, I. DINCĂ, A. FICAI, G. PELIN, E. ANDRONESCU, D. CONSTANTINESCU, G. VOICU, Polyamide 6/carbon fiber laminated composites, Journal of Optoelectronics and Advanced Materials Vol. 17, Iss. 5-6, pp. 750-756 (2015)