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Mechanical behavior of epoxy 1050_GBX300L-1250 glass fabric laminates subjected to three-point bend tests

C. NICULITA1,*

Affiliation

  1. Transilvania University of Brasov, Department of Mechanics, 29 Eroilor Blvd, 500036 Brasov, 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 three-point bend tests. 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 five, six and seven layers of epoxy 1050 resin impregnated GBX300L-1250 glass fabric; various specimens have been cut. Following mechanical properties have been determined during three-point bend tests: Young’s modulus of bending, stiffness, flexural rigidity, maximum normal stress/strain in bending at maximum and minimum load/deflection, load/stress/strain at maximum and minimum load/deflection and so on..

Keywords

Epoxy resin, Glass fabric, Three-point bend test, Young’s modulus of bending, Flexural rigidity.

Citation

C. NICULITA, Mechanical behavior of epoxy 1050_GBX300L-1250 glass fabric laminates subjected to three-point bend tests, Optoelectronics and Advanced Materials - Rapid Communications, 6, 3-4, March-April 2012, pp.487-490 (2012).

Submitted at: Feb. 3, 2012

Accepted at: April 11, 2012