Professor Kathy Christofidou
PhD, MEng, MBA
School of Chemical, Materials and Biological Engineering
Chair in Digital and Sustainable Metallurgy
Advanced Metals Processing Research Area Lead for Royce
Materials 4.0 CDT Industrial Liaison and Impact Lead
Full contact details
School of Chemical, Materials and Biological Engineering
Sir Robert Hadfield Building
Mappin Street
Sheffield
S1 3JD
- Profile
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I joined the University in 2019 and was appointed Professor in Digital and Sustainable Metallurgy in 2024. I hold a PhD in Metallurgy from the University of Cambridge and an MEng degree in Aerospace Materials Engineering from Imperial College London.
My research bridges high performance alloy design and advanced manufacturing. Throughout my career I have worked at the interface between industry and academia, delivering meaningful metallurgical insights, and was recognised in 2022 by the Institute of Materials, Minerals and Mining with the Grünfeld medal for the application of metals to industry. In further recognition of my standing I lead the Advanced Metals Processing research area for the Henry Royce Institute, the UK’s National Institute for Advanced Materials Research.
- Research interests
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My research bridges materials development and advanced manufacturing. The primary focus is on understanding material performance, the complex links between alloy chemistry and manufacturing in determining material properties, and the response of materials in service environments. I am particularly excited by the development of methods that incorporate our learning into accelerating alloy design and high throughput testing using machine learning approaches for the design of high-performance engineering components such as those in the aerospace, automotive, energy generation sectors and beyond.
Key research interests:
- Alloy design, Physical metallurgy
- Materials 4.0
- ML/AI in Material Development
- Additive Manufacturing
- Microstructural Control
- Publications
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Journal articles
- Microstructural control of LPBF Inconel 718 through post processing of intentionally placed AM discontinuity distributions. Materialia, 102163-102163.
- Design and selection of high entropy alloys for hardmetal matrix applications using a coupled machine learning and CALPHAD methodology. Advanced Engineering Materials. View this article in WRRO
- Surveying the effects of aging a high C-containing co-based superalloy from the As-cast and solution heat-treated conditions. Metallurgical and Materials Transactions A, 55(3), 791-802. View this article in WRRO
- On the surface integrity of machined aero-engine grade Ni-based superalloy billets produced by the field-assisted sintering technology (FAST) route. Procedia CIRP, 123, 310-315.
- Controlling grain structure in metallic additive manufacturing using a versatile, inexpensive process control system. Scientific Reports, 13.
- Data on the effect of NbC inoculants on the elastic and microstructural evolution of LBP-DED IN718. Data in Brief, 109299-109299.
- Tools for the assessment of the laser printability of nickel superalloys. Metallurgical and Materials Transactions A.
- Insights in α-Al2O3 degradation in multilayer CVD coated carbide tools when turning IN718. Wear, 204786-204786.
- Effect of NbC Inoculants on the Elastic Properties and Microstructure of Additively Manufactured IN718. Materialia, 101701-101701.
- Hardness variation in inconel 718 produced by laser directed energy deposition. Materialia, 26.
- Design of a Ni-based superalloy for laser repair applications using probabilistic neural network identification. Data-Centric Engineering, 3.
- Phase stability of the AlxCrFeCoNi alloy system. Journal of Alloys and Compounds, 926.
- Supervised machine learning for multi-principal element alloy structural design. Materials Science and Technology.
- Metallurgical developments in steam-methane reformer tube alloys. Materials Science and Technology.
- Elasticity, acoustic loss and γ′ dissolution in superalloys from resonant ultrasound spectroscopy. Materials Science and Technology.
- Microstructural Evaluation of Thermal-Sprayed CoCrFeMnNi0.8V High-Entropy Alloy Coatings. Coatings, 13(6), 1004-1004.
- Correction: Tools for the Assessment of the Laser Printability of Nickel Superalloys. Metallurgical and Materials Transactions A.
- The Microstructural Evolution of CM247LC Manufactured Through Laser Powder Bed Fusion. Metallurgical and Materials Transactions A.
Chapters
- Alloys: The superalloys, Encyclopedia of Condensed Matter Physics (pp. 583-600). Elsevier
Conference proceedings papers
- The Relationship Between Strain-Age Cracking and the Evolution of γ′ in Laser Powder-Bed-Fusion Processed Ni-Based Superalloys (pp 822-835)
- Eutectic Superalloys for Laser Powder Bed Fusion (pp 860-870)
Preprints
- Controlling grain structure in metallic additive manufacturing using a simple, inexpensive process control system, Research Square Platform LLC.
- Microstructural Control of LPBF IN718 Through Post Processing of Intentionally Placed Am Discontinuity Distributions.
- Hardness Variation in DED Produced Inconel 718.
- Microstructural control of LPBF Inconel 718 through post processing of intentionally placed AM discontinuity distributions. Materialia, 102163-102163.
- Professional activities and memberships
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- Member of the IoM3
- Member of the TMS
- Secretary of the TMS High Temperature Alloys Committee