ABSTRACT Mode-I fracture behavior of glass-carbon fiber reinforced hybrid polymer composite was
investigated based on experimental and finite element analysis. The compact tension (CT)
specimen was employed to conduct mode-I fracture test using special loading fixtures as per
ASTM standards. Fracture toughness was determined experimentally for along and across
the fiber orientation of the specimen. Results indicated that the cracked specimens are
tougher along the fiber orientations as compared with across the fiber orientations. A similar
fracture test was simulated using finite element analysis software ANSYS. Critical stress
intensity factor (K) was calculated at fracture/failure using displacement extrapolation
method, for both along and across the fiber orientations. The fractured surfaces of the glasscarbon
epoxy composite under mode-I loading condition was examined by electron
Cite this paper
P. Gouda, S. Kudari, S. Prabhuswamy and D. Jawali, "Fracture Toughness of Glass-Carbon (0/90)s Fiber Reinforced Polymer Composite – An Experimental and Numerical Study," Journal of Minerals and Materials Characterization and Engineering, Vol. 10 No. 8, 2011, pp. 671-682. doi: 10.4236/jmmce.2011.108052.
 M.M Thwe., K Liao. (2003) Comp. Sci. Tech,, 63 ,375
M.S Sreekala., J.George, M.G Kumaran., S. Thomas (2002) Comp. Sci. Technol. 62 339.
James R. Reeder. K. Song, P. Chunchu, D. R. Ambur, “Postbukling and growth of delamination in composite plates subjected to axial compression.” AIAA journal, 2002.
James R. Reeder and John R. Crews. “Mixed Mode Bending Method for Delamination Testing.” Published in AIAA Journal, vol 28, 1990, pages 1270-1276
L. P. Borrego , F. V. Antunes, Fatigue Crack Growth Behaviour Under Mixed-Mode Loading, anales de mecánica de la fractura vol. 22 (2005).
M.G.D. Geers a,b, R. de Borst , T. Peijs, Mixed numerical-experimental investigations of non-local characteristics of random-fiber-reinforced composites, Composites Science and Technology 59 (1999) 1569-1578.
P. Naghipour, M. Bartsch, Effect of fiber angle orientation and stacking sequence on mixed mode fracture toughness of carbon fiber reinforced plastics: Numerical and experimental investigations, Journal of Materials Science and Engineering (2009).
M. Nikbakht, and N. Choupani, Numerical Investigation of Delamination in Carbon-Epoxy Composite using Arcan Specimen, International Journal of Mechanical, Industrial and Aerospace Engineering 2(4) 259-266, 2008.
Robert Zemcik & Vladislav Las, Numerical and Experimental Analyses of the Delamination of Cross-Ply Laminates, Journal of Materials and technology 42 (4), (2008) 171–174.
Hossein Saidpour, Mehdi Barikani, and Mutlu Sezen, Mode-II Interlaminar Fracture Toughness of Carbon/Epoxy Laminates, Iranian Polymer Journal 12 (5), 2003, 389-400.
Autar K.Kaw, “Mechanics of Composite Materials”, 2nd Edition, Taylor & Francis Group Publications, New York, 1999.
M.M.Schwartz, Composite Materials Handbook, McGraw – Hill book Company,New York, 1983.
ASTM Standards, “ASTM D3039: Standard Test Method for Tensile Properties of Polymer Matrix Composite Materials,” ASTM, West Conshohohoken, PA, 1995, pp. 99-109.
ASTM D 5045-99 Standard Test Methods for Plane-Strain Fracture Toughness and Strain Energy Release rate of Plastic Materials.
ASTM 1820-05 Standard Test for Measurements of Fracture Toughness.
F. Dharmawan, G. Simpson, I. Herszberg, S. John. “Mixed mode fracture toughness of GFRP composites.” Composite Structures,2006.
ANSYS - V10 User manual.
ASTM D 5045-99 “Standard Test Methods for Plane-Strain Fracture Toughness and Strain Energy Release rate of Plastic Materials”
ASTM 1820-05 ”Standard Test Method for Measurement of Fracture toughness”.