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Finite element method analysis of some fibre-reinforced composite laminates

H. TEODORESCU-DRAGHICESCU1, A. STANCIU1, S. VLASE1, L. SCUTARU1, M. R. CALIN2,* , L. SERBINA2

Affiliation

  1. Transilvania University of Brasov, Department of Mechanics, 29 Eroilor Blvd, 500036 Brasov, Romania
  2. “Horia Hulubei” National Institute of Physics and Nuclear Engineering IFIN-HH, Bucharest-Magurele, POB MG-6, Romania

Abstract

Within this paper, behaviour simulations of various polymer matrix composite laminates subjected to three and four-point bending using the finite element method have been carried out. The models have been designed and analyzed with MSC Patran and MSC Nastran. Four types of composite laminates have been developed based especially on epoxy resin reinforced with Chopped Strand Mats of various specific weights and RT800 glass fabrics, namely four layers 4 x CSM450, four layers 4 x RT800-warp, four layers 4 x RT800-weft, eight layers 2 x CSM600/4 x RT800-warp/2 x CSM450 and eight layers 2 x CSM600/4 x RT800-weft/2 x CSM450 composite laminates. Using the finite element method, strain distributions of these four laminates subjected to three and four-point bending have been determined. The theoretical approach has been compared with experimental data obtained on LR5KPlus Lloyd Instruments materials testing machine. The comparison shows close values between both approaches..

Keywords

Finite Element Method, Chopped strand mat, Roving, Young’s modulus, Composite laminate.

Citation

H. TEODORESCU-DRAGHICESCU, A. STANCIU, S. VLASE, L. SCUTARU, M. R. CALIN, L. SERBINA, Finite element method analysis of some fibre-reinforced composite laminates, Optoelectronics and Advanced Materials - Rapid Communications, 5, 7, July 2011, pp.782-785 (2011).

Submitted at: May 18, 2011

Accepted at: July 25, 2011