Delamination analysis using digital image processing by IMAGE J and LabVIEW for drilling on GFRP composite laminates
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 9
Abstract
Composites are one of the most widely used materials because of their relative ease of combination with other materials to serve specific purposes and exhibit desirable properties. Composites are mostly used in aerospace vehicles due to, increased strength, durability, corrosion resistance, and high strength to weight ratio. Glass Fiber Reinforced Plastic composites have an increased application in recent days. Drilling of holes in GFRP becomes almost unavoidable in fabrication and assembly of components even though heterogeneous nature of this kind of materials makes complications during machining operations. While drilling GFRP the quality of drill is mostly affected by many whole quality characteristics like delamination, cylindricity, surface roughness etc. About 60% of rejections in the drilled components are due to delamination, which is one of the significant hole quality characteristics. Proper Visualization of delamination is obtained by Digital Image Processing. In this work delamination analysis was attempted using digital image processing, experiments are carried out for 27 holes and it was observed that scanned images obtained using a flatbed scanner (HP, 2400 DPI) used for digital image processing by IMAGE J & LabVIEW, gives better visualization for delamination.
Authors and Affiliations
GokulaKrishnan Velu, Sureshkumar Manickam Shanmugasundaram, Chanthini Velu
Keywords
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