EngD: Distortion management during high tolerance piston manufacture - sponsored by UTC Aerospace Systems (UTAS)

University of Sheffield - UTC Aerospace Systems (UTAS) & EPSRC

Partners: UTC Aerospace Systems (UTAS) & EPSRC
Start date: 3 September 2018
Duration: 4 years
Stipend: Tax free stipend of £18,000 per year, plus all tuition fees paid at UK/EU rates.
Applications deadline: 30 November 2017 

Please check eligibility requirements before applying.

Project Description

The Actuation Systems business is a global leader in the design, manufacture and support of actuation systems for large commercial, regional, business and military aircraft as well as for helicopters and precision weapons.

Actuation Systems delivers a range of technology options including electric and hydraulic powered actuators and advanced carbon-fiber products for commercial aerospace and defense applications.

In production, a normal piston rod manufactured by UTC will typically follow multiple different operations. The aim of this EngD is to develop a deeper understanding of the development and evolution of residual stresses generated during the manufacturing process, and its effect on distortions in the parts. This EngD aims to reduce the number of operations required to produce a component whilst maintaining strict conformances tolerances.

The following primary research challenges have been identified:

  • The ability to model residual stress from heat treatment processes

  • The ability to simulate distortions due to the machining and grinding

  • The ability to design an experimental trials for understanding the evolution of residual stresses

  • Implement the use of process monitoring and on machine inspection techniques during the production of finished components

  • The ability to use experimental and numerical techniques for optimising machine strategies in order to minimise part distortion and achieve conformance.

Entry requirements and eligibility
Due to EPSRC residency requirements, this project is open only to UK and EU applicants who have been resident in the UK for at least 3 years immediately preceding the start of the course (see How to Apply section).

Applicants must have, or expect to get, a good Masters-level degree (e.g. 1st or 2.i MEng degree or MSc with Merit) or an exceptional BEng, in a relevant science or engineering subject such as applied mathematics, statistics, physics, electrical and electronic engineering, systems and control engineering, mechanical engineering, materials science and engineering, or computer science.

Candidates must also be able show that their English language proficiency is at a level which allows them to successfully complete the EngD. All applicants require an English language qualification, typically a GCSE or an IELTS test (a score of 7 or above is required, with a minimum of 6 in each component).

If in doubt about any aspect of Eligibility, please email idc-machining-science@sheffield.ac.uk for clarification.

How to Apply

For an informal discussion, in the first instance please contact the IDC Centre Team via idc-machining-science@sheffield.ac.uk

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Type / Role:

PhD

Location(s):

Northern England