Functionally graded materials (FGMs) are a special branch of materials with smooth transitions in their microstructures and properties throughout the bulk. Compared to common composite materials with sharp interfaces (e.g. welding), FGMs exhibit evident advantages in their toughness and fatigue resistance. Recent developments in additive manufacturing (AM) technology also allow tailoring metallic FGM components by controlling the local printing parameters, which will significantly improve their performance in multi-function applications.
Despite the high demand in key industries, e.g. nuclear energy and aerospace, the design of metallic AM-FGM components targeting specific applications has not been attempted yet. The School of Engineering at Lancaster University is launching a PhD research project in collaboration with Southampton University, aiming to gain a predictive understanding of the Processing-Structure-Property-Performance (PSPP) relationships in metallic AM materials and develop a modelling protocol to assist the design of FGM components. This PhD research will combine physics-based mechanical models and data-driven methods, employing multiple simulation techniques to bridge AM processing with mechanical performance. Thereafter, the student will be expected to create a comprehensive database of the PSPP relationships of the target materials and provide valuable feedback to the FGM material design and AM process optimisation.
Qualifications and experience:
•The minimum academic requirement for admission is an upper second class UK honours degree at the level of MSci, MEng, MPhys, MChem etc, or a lower second with a good Master's, (or overseas equivalents) in a relevant subject.
•A good basis in computer programming is essential for the post.
•Knowledge in thermokinetics, physical metallurgy and dislocation theory is preferred.
•Excellent oral and written communication skills with ability to prepare presentations, reports and journal papers to the highest levels of quality.
•Excellent interpersonal skill to work effectively in a multi-disciplinary project area of research.
Informal enquiries and how to apply
For informal enquiries, please contact Dr Wei Wen (w.wen2@lancaster.ac.uk). Candidates interested in applying should send a copy of their CV together with a personal statement/covering letter addressing their background and suitability for this project to Dr Wei Wen by the deadline date of 12th July 2025.
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