EngD: The development of next generation cutting tools for high value aerospace components - sponsored by Kyocera SGS

University of Sheffield - Kyocera SGS Precision Tools Europe Ltd & EPSRC

SGS cutting tools
Partners: Kyocera SGS Precision Tools Europe Ltd & 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

Material suppliers such as those for the aerospace industry are developing next generation alloys that are capable of withstanding harsher environmental demands. These include increased heat resistance, torsional strength, impact resistance, shear strength and chemical stability, all of which inherently lend themselves to decreases in machining performance. For example machining of titanium poses significant challenges due to its high chemical reactivity and maintained high strength at elevated temperatures. During cutting, these material properties result in an aggressive environment at the tool-chip-workpiece interface, which a cutting tool is expected to survive. To combat these challenging conditions tooling suppliers are developing new cutting geometries and cutting substrates. These design changes are developed with the aim of prolonging tool life and thus maintain the integrity of the component.

This project requires the student to gain a fundamental understating of how cutting tool geometries influence the machining process. This will involve studying the effect of variable cutting tool geometries and carbide grades, as well as how they interact with workpiece materials, both chemically and mechanically, at high temperatures and pressures. These effects influence tool wear rates, the surface integrity of the machined component and the overall process cost.

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.

SGS cutting tools

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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