About the Project
Selective laser melting (SLM) is one of the most promising metal AM methods where 3D components are fabricated by using a high-energy laser beam to fuse the pre-deposited metal powder. The interest in SLM is growing within a number of industrial sectors (i.e., aerospace, medical, oil & gas, marine and defence etc.) due to its ability to produce complex netshape components directly from a CAD model allowing for increased design freedom without the constraints of traditional methods. Hence, this makes SLM a key method of a great potential in reducing manufacturing cost in comparison with conventional manufacturing techniques. There is currently a lack of knowledge regarding the influence of process variables on the integrity and properties of as-fabricated material. Hence, determining unknown relationships between material performance and process parameters remain a primarily important engineering task which currently represents barrier to extensive use of this technology, especially in safety-critical applications. Successful establishment of these relationships will provide a robust platform for the optimisation of SLM parameters to manufacture parts with target design properties.
The overall aim of this project is to develop an effective combination of experimental and computational methods to establish the relation between pre- and post-process parameters and their ultimate effects on the mechanical behaviour of SLMed aluminium alloys. Hence, tailored fatigue life and residual stresses can be obtained by optimizing these process parameters so that laser melting of aluminium alloys can open up completely new possibilities and applications across many industries. To achieve our goal, in-situ experimental techniques such as X-ray micro computed tomography and scanning electron microscopy will be employed.
This project will be jointly conducted with the prestigious organisations The Manufacturing Technology Centre in Coventry.
Candidates should have (or expect to achieve) the UK honours degree at 2.1 or above (or equivalent) in Mechanical/Materials/Aerospace/Marine Engineering or Materials Science.
The applicant should have knowledge of Materials modelling and Experimental mechanics
• Apply for Degree of Doctor of Philosophy in Engineering
• State name of the lead supervisor as the Name of Proposed Supervisor
• State ‘Self-funded’ as Intended Source of Funding
• State the exact project title on the application form
When applying please ensure all required documents are attached:
• All degree certificates and transcripts (Undergraduate AND Postgraduate MSc-officially translated into English where necessary)
• Detailed CV
Informal inquiries can be made to Dr Mehmet Kartal ([email protected]), with a copy of your curriculum vitae and cover letter. All general enquiries should be directed to the Postgraduate Research School ([email protected])
Georgilas, K, Khan, RHU & Kartal, ME 2020, 'The influence of pulsed laser powder bed fusion process parameters on Inconel 718 material properties', Materials Science and Engineering A, vol. 769, 138527.
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