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Title: Enabling lightweight, high load aero-bearings
Authors: Avelar-Batista Wilson, J. C.
Banfield, Sarah
Cassar, Glenn
Leyland, Adrian
Matthews, Allan
Smith, Paul
Karadia, Bipin
Vaghela, N.
Housden, Jonathan
Keywords: Alloys
Titanium alloys
Plasma diffusion
Physical vapor deposition
Issue Date: 2009
Publisher: Tecvac Ltd
Citation: Avelar-Batista Wilson, J. C., Banfield, S., Cassar, G., Leyland, A., Matthews, A., Smith, P., ... & Way, R. (2009). Enabling lightweight, high load aero-bearings. 1-22.
Abstract: Environmental and commercial considerations are strongly driving research into weight saving in aircraft. In this research, innovative manufacturing processes were developed to produce lightweight titanium alloy bearings capable of withstanding high bearing pressures. This will enable the replacement of heavier conventional bearing materials with titanium alloy bearings of the same size thereby saving weight. Plasma processing and PVD coating techniques were refined and combined and a sound scientific understanding of the resulting novel processes developed to assure high performance, reliability and repeatability. These techniques were applied to test discs and small bearing (bush) samples, which were tested under progressively greater loads (pressures). FEA was also used to evaluate pressure distribution in a bush test assembly. The novel treatment has potential applications for many bearings and bearing surfaces throughout aircraft.
Appears in Collections:Scholarly Works - FacEngMME

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