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13 - Electrical and Electronic Engineering, Metallurgy and Materials

University of Sheffield : B - Materials Science and Engineering

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Article title

Evaluating the effects of plasma diffusion processing and duplex diffusion/PVD-coating on the fatigue performance of Ti-6Al-4V alloy

Type

D - Journal article

DOI

10.1016/j.ijfatigue.2011.04.004

Title of journal

International Journal of Fatigue

Article number

Volume number

Issue number

First page of article

1313

ISSN of journal

01421123

Year of publication

2011

URL

Number of additional authors

Additional information

The use of titanium in moving parts in aircraft, transport and biomedical applications has until now been prevented by high friction and wear. We report a novel duplex treatment, combining diffusion treatments with Physical Vapour Deposition of coatings to reduce wear. This allows, for the first time, surface engineering of Ti-alloys without compromising bulk strength or, uniquely, fatigue behaviour. The work was performed under Technology Programme Project TP/22076, with the results validated by the commercial partners (Tecvac Ltd. (Jonathan.Housden@tecvac.com), NMB-Minebea Ltd), which resulted in direct commercial application of duplex coated Ti bearings in aircraft landing gear by Airbus.

Interdisciplinary

Cross-referral requested

Research group

None

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract