EngD: Fundamentals of ceramic matrix composite (CMC) machining - sponsored by Rolls-Royce

University of Sheffield - EPSRC, Rolls-Royce plc

Project Description

This project will investigate and define new cutting strategies, cutting modes, cutting parameters and their effect on the machined surface quality for a range of high value aerospace materials when using small abrasive tools (grinding points). This project will assesses the influences of tool grade, cutting material, machining forces, wear rate and cost of application (for a range of tool specifications) on target materials. Additionally a key focus will be to understand geometric and quality impacts post machining for the target materials using a range of pseudo-component features.

The primary motivation for this investigation sets out to understand the applications of novel cutting materials and their interaction with high value metallic materials. The student will be required to assess the effectiveness of these tools and cutting strategies against conventional machining modes and understand their benefits and fundamentals of application. There will also be a requirement to read this knowledge back into the early design aspects of new product design to better utilise this developed capability in the future.

This is an area of high opportunity for new research into innovative tooling and application strategy, this includes the demystification of a traditional ‘black art’ area of machining whereby the nature of the cutting method and its results are currently poorly understood.

About Rolls-Royce

Rolls-Royce www.rolls-royce.com is a global company, providing integrated power solutions for customers in civil and defense aerospace, marine and energy markets. Supporting customers through a worldwide network of offices, manufacturing and service facilities, the civil aerospace business is a major manufacturer of aero engines for the airline and corporate jet market. Rolls-Royce powers more than 30 types of commercial aircraft and over 12,500 engines are in service with customers around the world.

Entry requirements and eligibility
Applicants must have, or expect to get, a 1st or good 2:1 degree (or Masters with Merit) in a relevant science or engineering subject such as mechanical engineering, materials science and engineering, or physics, and be willing to get involved in hands-on activities. You should be enthusiastic about research with an interest in technology development and innovation in manufacturing.

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 three years immediately preceding the start of the course.

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.

How to Apply

All applications should be submitted online. See the How to Apply section of the IDC website. Please follow the instructions carefully, and ensure that you specify which project you are applying for. Include in your statement why you are interested in the project and how you will contribute.

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

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Northern England