An investigation into the drilling of fibre-reinforced polymer composites using the optical microscopy inspection method
Author: Curnick, P
Source: Insight - Non-Destructive Testing and Condition Monitoring, Volume 53, Number 5, May 2011 , pp. 248-252(5)
Abstract:An experimental investigation has been carried out into the drilling of carbon and glass fibre-reinforced polymer composite materials. Both materials have been manufactured from prepreg by the hand lay-up method and cured in an autoclave as per the manufacturer's recommended curing cycles. Experimental tests have been conducted by means of a comparison between two drills of different geometry and structure: a standard high-speed steel (HSS) twist drill and a multifacet carbide drill. Both drills have been used with a series of controlled cutting parameters. Optical microscopy has been used to inspect drilled parts and decisions relating to the optimum machining conditions were based on an envelope of damage, factor of delamination (Fd) and appearance of the produced holes. On the basis of this analysis, methods are suggested to improve machining conditions by applying variable cutting parameters and damping effects.
Document Type: Research Article
Affiliations: Faculty of Applied Design and Engineering, Swansea Metropolitan University, Swansea SA1 6ED.
Publication date: May 2011
- Official Journal of The British Institute of Non-Destructive Testing - includes original research and devlopment papers, technical and scientific reviews and case studies in the fields of NDT and CM.
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