Experimental Investigation of Optimized Parameters for Open Hole Compression Strength of Carbon Epoxy Composite & Determination of Localized Strains Using Digital Image Correlation Technique

Abstract

Composites materials have wide applications in different industries because of it has very different properties from the metals and polymers. Drilling is very common in composites to assemble different composite parts together. In the drilling of Carbon/Epoxy Composites the cut surface quality is very much dependent on the drilling parameters set during drilling which further effect the strength of the hole during tensile/compression loading. The delamination effect is also observed after drilling. In this research, Carbon Fiber Epoxy Composite material is drilled with the standard carbide drill bit and Open Hole Compression (OHC) tests are performed on the Universal Testing Machine. The Digital Image Correlation (DIC) technique is used to find out the strain distribution around the hole during compression loading.