Mode I Interlaminar Fracture Toughness and Fractographic Observation of Multidirectional Carbon Fiber/Epoxy Composites
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2019, Vol 9, Issue 3
Abstract
Mode I interlaminar fracture toughness was evaluated and fracture surfaces were observed to investigate crack propagation behaviors and establish the relationship between fracture toughness and fracture surface morphology in multidirectional carbon fiber/epoxy composites. Double cantilever beam specimens, with artificial cracks made of Teflon film embedded in the middle plane, were prepared. Six crack lengths were considered (25–50 mm). The slopes of the load displacement curves depend on the initial crack length. The mode I interlaminar fracture toughness at crack initiation is approximately constant, regardless of the initial crack length, but fluctuates with crack propagation. The fracture surface morphology indicates that the R-curve is closely related to the crack propagation mechanism. The fracture surface exhibits damage, such as crack migration, fiber bridging, crack branching, double cracking, and ply splits. These results provide insight into interlaminar fracture toughness assessment and the crack propagation behavior of multidirectional carbon fiber/epoxy composites.
Authors and Affiliations
Muhamad Fauziabdrased, Sung Ho Yoon
Keywords
Related Articles
- EP ID EP621261
- DOI 10.24247/ijmperdjun2019153
- Views 70
- Downloads 0
EFFECT OF PRECIPITATION HARDENING ON STIR CAST Al6061-B4C REINFORCED COMPOSITE
The focus of the present investigation is to enhance mechanical properties of two-stage stir cast Al6061-B4C (2, 4 and 6 wt.%) reinforced metal matrix composites by artificial aging treatment. The Optical and Scanning El...
THE COMPARISON OF USED TEMPLE OIL BIODIESEL PRODUCTIVITIES WITH THE OTHER BIODIESEL
The present world is facing two serious problems, one global warming on account of environmental pollution and the other scarcity of fossil fuel. This has pointed to search alternative and sustainable energy sources whic...
CFD Analysis of Cryogenic Helical Coiled Shell and Tube Heat Exchanger
Present study deals with the CFD (computational fluid dynamics) analysis of helical coil - shell and tube counter flow heat exchanger, which is used in cryogenic applications owing its compact construction and larger hea...
Development of Renewable Energy through Heat Enhancement for Lubricants by Adding Nano Materials
Industrial machines’ efficiency mostly depends on its crucial components performance in many naval applications such as hydro plants, ships, vehicles and power generation stations etc., depending on reliability and safet...
An Effect of Wall Corner Radius of Punch on the Features of the Hexagonal Cup Fabricated by the Deep Drawing Process
This work aims to study the effect of different deep drawing process parameters on the distribution of strain and thickness in deep drawing operation, such as wall corner radius of punch, the thickness of the sheet, and...