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Development of new innovative materials and processing routes

  • Full or part time
  • Application Deadline
    Friday, January 31, 2020
  • Funded PhD Project (European/UK Students Only)
    Funded PhD Project (European/UK Students Only)

Project Description

Machinability of Ni-based super alloys is a constantly evolving topic, driven by the development of improved alloys for the aerospace industry. New alloys with improved strength and that are designed for higher working temperatures are created through changes in processing methods and alloying conditions, and thereby microstructure. In parallel, new near net shape and additive manufacturing processing methods are being deployed. This project aims to understand the impact of these changes on the performance and wear mechanisms of Sandvik cutting tools, as a basis for development of the next generation of tools. The cutting conditions, deformation behaviour and chemical reactions during cutting of these materials are new, and therefore need to be developed in combination with machining developments.

Whilst machinability of Ni-base superalloys is a topic that has been widely examined in academic circles, it has generally been focussed on Inconel 718 that has been 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, manufacturers need to understand the implications of these changes. New processing routes or fundamental changes in materials machinability and in-service performance may necessitate manufacturers to change the way they develop and use cutting tools.

Sandvik Coromant is the world leader in cutting tools to the aerospace manufacturing industry. To maintain their position they invest in Research and Development programmes to build their own knowledge base and ensure they remain ahead in understanding their customer’s latest processes and materials requirements.

This project is supervised by Professor Martin Jackson in the Department of Materials Science and Enginnering at the University of Sheffield, and by Dr Pete Crawforth at the Advanced Manufacturing Research Centre (AMRC) in Sheffield. The student will also work closely with Sandvik Coromant in machining Ni-based superalloys, with additional support from Sandvik Coromant R&D resources in Sheffield and Sweden. The student will also benefit from Coromants knowledge of the performance and application of cutting tools and turning, and have access to prototype tools to facilitate testing of scientific principles. It is expected that the student will therefore spend time at the Univerity of Sheffield and the AMRC, and also with Sandvik in Sheffield and Sweden as required, in delivering the project.

For more information please contact Professor Martin Jackson () or Dr Pete Crawforth ()

Funding Notes

The CDT in Advanced Metallics is a partnership between the Universities of Sheffield and Manchester and the I-Form Advanced Manufacturing Centre, Dublin. CDT students undertake the CDT training programme at all three locations throughout the 4-year programme.

Current UKRI stipend plus a top-up of £2,500p.a. in year 1, and £3,500p.a. in Years 2, 3, and 4, for UK and eligible EU students.

How good is research at University of Sheffield in Electrical and Electronic Engineering, Metallurgy and Materials?
Materials Science and Engineering

FTE Category A staff submitted: 34.80

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

Click here to see the results for all UK universities

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