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The Influence of Combined Oxidation and Fatigue Conditions on the Endurance of Titanium Alloys

  • Full or part time

    Dr J Fonseca
  • Application Deadline
    Saturday, November 30, 2019
  • Competition Funded PhD Project (European/UK Students Only)
    Competition Funded PhD Project (European/UK Students Only)

Project Description

High performance titanium alloys are being increasingly used in airframes where elevated temperatures can be experienced in the engine pylons. Titanium alloys are prone to degradation caused by oxygen diffusion into their surface which in extreme cases can lead to a change in microstructure and embrittlement. Interactions between surface oxygen, embrittlement and fatigue crack growth are poorly understood, which currently makes predicting the endurance of components in service difficult.

The main aim of the PhD project is therefore to develop a systematic fundamental understanding of the synergistic interactions between elevated temperature fatigue and an oxidising environment on the mechanisms of fatigue crack initiation.

The project will develop high temperature fatigue testing procedures and use advanced microscopy methods, to study the environmental and mechanical interactions in detail with the ultimate goal of being able to more reliably predict component life.

The project will contribute to research aimed at supporting the more mass efficient design of advanced airframe components and will be supervised through the Advanced Metallic Research Programme (AMRP) within Airbus Airframe R&T.

The proposed start date for this PhD is January 2020. The duration of the PhD is 3.5 years.

Applicants should have or expect to achieve at least a 2.1 honours degree in Materials Engineering, or a related Engineering Discipline

Funding Notes

The project is funded by TA Airbus Case Award. Fees will be covered and you will receive a stipend of £15,009 over the 3.5 years of study. You will also receive a CASE award top up of £3,500.

EU nationals must have lived in the UK for 3 years prior to the start of the programme to be eligible for a full award (fees and stipend).

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