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A new epoxy glass roving fabric material with a nonwoven PES fibers structure used in a composite laminates

C. NICULITA1,* , A. GABOR1, V. GHEORGHE1, M. R. CALIN2, M. L. SCUTARU1

Affiliation

  1. Transilvania University of Brasov, Department of Mechanics, 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

This paper deals with experimental researches regarding the behavior of biaxial GBX300L-1250 glass fabric-reinforced epoxy 1050 resin composite laminates subjected to tensile loads until break. The reinforcement material is a 300 g/m2 specific weight biaxial [0°/90°] glass roving fabric with a nonwoven PES fibers structure. From cured plates of one, two and three layers of epoxy 1050 resin impregnated GBX300L-1250 glass fabric, various specimens have been cut according to SR EN ISO 527-4:2000: “Plastics - Determination of tensile properties - Part 4: Test conditions for isotropic and orthotropic fibre-reinforced plastic composites”. Over forty-five mechanical properties have been determined during tensile tests including: Young’s modulus, stiffness, load/stress/strain at maximum load/extension, load/stress/strain at minimum load/extension, load/stress/strain at break, tensile strength, elongation at fracture and so on..

Keywords

Epoxy resin, Glass fabric, Tensile test, Composite laminate, Young’s modulus.

Submitted at: June 30, 2012
Accepted at: April 11, 2013

Citation

C. NICULITA, A. GABOR, V. GHEORGHE, M. R. CALIN, M. L. SCUTARU, A new epoxy glass roving fabric material with a nonwoven PES fibers structure used in a composite laminates, Journal of Optoelectronics and Advanced Materials Vol. 15, Iss. 3-4, pp. 176-181 (2013)