Drilling of aluminium/PE sandwich material with a novel TiO2-coated HSS drill deposited by sol–gel process

Drilling of aluminium/PE sandwich material with a novel TiO2-coated HSS drill deposited by... Applications for composite materials are constantly increasing because of their lightweight combined with a high modulus of elasticity. Thus, the drilling of such materials is cause for concern for the scientific community since these components need generally to be fixed and assembled. Dimensional variations and the presence of burr are some of the problems that commonly arise due to the drill action in the composite material. Such problems should be minimized because it can compromise the quality of the final product. The present work studies the drilling of a sandwich composite material consisting of aluminium and polyethylene core (PEALL). The drilling tests were carried out using a TiO2-coated high-speed steel drills (HSS drills) deposited by sol–gel process. In order to optimize the hole quality, the influences of the TiO2 coating and the drilling parameters (speed and feed) are analysed. The thrust force, burr height and maximum diameter are collected to statistical study (analysis of variance (ANOVA)). The results underline that the TiO2-coated tool exhibits the best performance and improves the hole quality. Thus, the sol–gel method is a promising technique to coat the complex geometries of the HSS tools. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Drilling of aluminium/PE sandwich material with a novel TiO2-coated HSS drill deposited by sol–gel process

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Springer London
Copyright © 2017 by Springer-Verlag London
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
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