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4 year Engineering Doctorate (EngD): Machinability of Titanium AlloysSponsors: UoS / Sandvik Coromant / EPSRC


Project Description

Start date: 4 September 2017
Stipend: £18,000 pa plus tuition fees paid at Home/EU rates

Project details
Sandvik Coromant are the world leader in cutting tools to the metals industry. To maintain our position, it is essential that we adapt and build our knowledge constantly to understand our customers’ latest processes and materials.

This EngD is to work with the workpiece materials team within Sandvik Coromant, to build our knowledge of machining titanium alloys. Specific topics that have been identified for further consideration are;

• Ti-5-5-5-3 machinability, in comparison with Ti-6Al-4V. Although there has been some academic research on this topic in the past, this has tended to focus on finishing processes, to minimise costs. This makes the work of questionable relevance to the roughing applications seen in industry. This should be considered in scoping this aspect further if it is selected for study.
• Machining of the alpha case in as forged Ti-6Al-4V components. This should include an analysis of the extent to which alpha case is formed in near net shape components, and the implications that this will have on the finishing process.
• Dry drilling of Ti-6Al-4V

These initial studies would be a mixture of reviews of literature and experimental work.

Machinability of titanium alloys is a topic that has been widely examined in academic circles, but generally with a focus in Ti-6Al-4V based alloys produced through conventional processing routes. As new alloys have come into mainstream use, and as processing methods have changed towards near net and additive manufacture, we need to understand the implications of these changes. The way in which our customers use the tools may be different, but also the machinability knowledge of the actual materials structures may be incomplete.

About Sandvik Coromant
Sandvik Coromant http://www.sandvik.coromant.com is the world’s leading supplier of tools, tooling solutions and know-how to the metalworking industry. With extensive investments in research and development we create unique innovations and set new productivity standards together with our customers. These include the world’s major automotive, aerospace and energy industries.

Sandvik Coromant has 8,000 employees and is represented in 130 countries. We are part of the business area Sandvik Machining Solutions within the global industrial group Sandvik.

Funding Notes

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).

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).

How good is research at University of Sheffield in Aeronautical, Mechanical, Chemical and Manufacturing Engineering?
Mechanical engineering and Advanced manufacturing

FTE Category A staff submitted: 44.60

Research output data provided by the Research Excellence Framework (REF)

Click here to see the results for all UK universities

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