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Advanced Polylite composite laminate material behavior to tensile stress on weft direction

S. VLASE1,* , H. TEODORESCU-DRĂGHICESCU1, M. R. CALIN2, M. L. SCUTARU1

Affiliation

  1. Transilvania University of Brasov, Department of Automotives and Mechanical Engineering, 29 Eroilor Blvd, 500036, Brasov, Romania
  2. Horia Hulubei” National Institute for Physics and Nuclear Engineering - IFIN HH, P.O. Box MG-6, 077125, Magurele, Romania

Abstract

Within this paper, basic mechanical properties have been experimentally determined on twelve layers glass fabricreinforced polyester resin specimens subjected to tensile loads on weft direction until break. Glass fabric of type RT300 (300 g/m2 specific weight) has been used to reinforce Polylite 440-M888 polyester resin. From a cured composite laminate plate, fifteen specimens have been cut on weft direction using a diamond powder mill to avoid introducing supplementary internal stresses in the laminate. Eight specimens have been tested with 1 mm/min test speed and seven have been tested with 2 mm/min test speed. Young’s modulus, tensile strength, load at maximum load, extension at maximum load and other important features have been experimentally determined on a “LS100 Plus” Lloyd Instruments materials testing machine using Nexygen software..

Keywords

Glass fabric, Weft, Composite laminate, Polyester resin, Tensile behavior.

Submitted at: May 22, 2012
Accepted at: July 19, 2012

Citation

S. VLASE, H. TEODORESCU-DRĂGHICESCU, M. R. CALIN, M. L. SCUTARU, Advanced Polylite composite laminate material behavior to tensile stress on weft direction, Journal of Optoelectronics and Advanced Materials Vol. 14, Iss. 7-8, pp. 658-663 (2012)