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Pneumatically powered drilling of carbon fibre composites using synthetic biodegradable lubricating oil : an experimental study

Morrell, CMJ; Hampson, PR

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Authors

CMJ Morrell



Abstract

Carbon fibre composites are a key component of aircraft structures because of their enhanced material properties such as favourable strength to weight ratios when compared to metal alloys. During the assembly process of an aircraft, carbon fibre components are joined to other structures using rivets, bolts, and fasteners, and as part of the joining process, the components will need to be machined or drilled. Unlike metal alloys, composites are sensitive to heat and are vulnerable to internal structural damage from machining tools. They are also susceptible to a reduction in strength when fibres are exposed to moisture. In the machining process, carbon fibre composites may be drilled using oils to lubricate carbide machining tools. In this study, a description of the experimental apparatus is provided along with an investigation to determine the influence synthetic biodegradable lubricating oil has on drill rotational speed, drilling load, and drilling temperature when using a pneumatic drill to machine carbon fibre composite material.

Citation

Morrell, C., & Hampson, P. (2018). Pneumatically powered drilling of carbon fibre composites using synthetic biodegradable lubricating oil : an experimental study. Aerospace, 5(1), https://doi.org/10.3390/aerospace5010009

Journal Article Type Article
Acceptance Date Jan 11, 2018
Online Publication Date Jan 16, 2018
Publication Date Jan 16, 2018
Deposit Date Jan 22, 2018
Publicly Available Date Jan 22, 2018
Journal Aerospace
Print ISSN 2226-4310
Publisher MDPI
Volume 5
Issue 1
DOI https://doi.org/10.3390/aerospace5010009
Publisher URL http://dx.doi.org/10.3390/aerospace5010009
Related Public URLs http://www.mdpi.com/journal/aerospace

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