Open AccessEvaluation of Mechanical Properties of Composite Laminates by Fractal Dimension
Author(s) -
Amjed Saleh Mahmood
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/987/1/012005
Subject(s) - composite material , materials science , flexural strength , composite laminates , composite number , epoxy , kevlar , fractal dimension , lacunarity , volume fraction , fractal , mathematics , mathematical analysis
This study focuses on the evaluation of mechanical properties of composite laminates by fractal dimension (FD). The fibre distribution in a laminate or FD could be changed according to different manufacturing processes, such as hand lay-up, resin infusion and resin transfer moulding. These manufacturing processes are considered in this study. Woven Kevlar / epoxy composite panels were manufactured with a [0/90] 2S stacking sequence. The materials were characterised for interlaminar shear strength (ILSS) and flexural strength. The fibre volume fraction (V f ) and FD of the laminates were determined from optical microscopic images of polished cross-sections using ImageJ software (box counting method) with the Fractal and Lacunarity add-in. The results show significant relationships between the mechanical performance of the composite laminates and the FD.