Augmentation of the Delamination Factor in Drilling of Carbon Fibre-Reinforced Polymer Composites (CFRP).

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ID: 262322
2020
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Abstract
Carbon fibre-reinforced polymer (CFRP) composite materials play an increasingly important role in modern manufacturing, and they are among the more prominent materials used in aircraft manufacturing today. However, CFRP is highly prone to delamination and other damage when drilled due to it being extremely strong with a good strength-to-weight ratio and high thermal conductivity. Because of this problem and CFRP's growing importance in aircraft manufacture, research has focused on the entry and exit holes as indicators of damage occurrence during drilling of screws, rivets, and other types of holes. The inside of the hole was neglected in past research and a proper way to quantify the internal side of a hole by combining the entry and exit hole should be included. To fill this gap and improve the use of CFRP, this paper reports a novel technique to measure the holes by using the extension of the adjusted delamination factor (S) for drilling thick CFRP composites in order to establish the influence of machining input variables on key output measures, i.e., delamination and other damages. The experimental results showed a significant difference in interpretation of the damage during the analysis. Improvement was made by providing better perspectives of identifying hole defects.
Reference Key
ahmad-sobri2020augmentationpolymers Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ahmad Sobri, Sharizal;Whitehead, David;Mohamed, Mazlan;Mohamed, Julie Juliewatty;Mohamad Amini, Mohd Hazim;Hermawan, Andi;Mat Rasat, Mohd Sukhairi;Mohammad Sofi, Azfi Zaidi;Wan Ismail, Wan Omar Ali Saifuddin;Norizan, Mohd Natashah;
Journal Polymers
Year 2020
DOI
E2461
URL
Keywords
drilling carbon fibre-reinforced polymer (cfrp) delamination factor manufacturing operation

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