PhD Studentship: Scatter-Corrected High-Energy X-ray CT for Additively Manufactured Components

University of Southampton - Materials & Surface Engineering and Computational Engineering

Cone beam X-ray computed tomography (XCT) is well suited for the dimensional measurement and material inspection of large metallic components found in the aerospace, automotive, shipping, and oil and gas industries for the purpose of quality assurance and non-destructive testing. High energy X-rays are required to penetrate large pieces of aluminium, titanium, and steel, at these energies the predominant X-ray–matter interaction is Compton scattering, hereafter referred to as scatter. Scatter contributes an unwanted background signal to X-ray projections which significantly reduces CT image contrast, so much so that objects that are theoretically penetrable become unmeasurable.

The aim of this project is to develop scatter correction methods to improve the contrast of CT data and hence improve the performance of XCT as an instrument for industrial inspection with particular regard to process qualification and product verification of additively manufactured metallic components.

The PhD is to be partially funded under the A*STAR Research Attachment Program (ARAP), with the student spending 2 years in Singapore on attachment with the Singapore Institute of Manufacturing Technology (SIMTech).

If you wish to discuss any details of the project informally, please contact Dr Joseph Lifton (Email:, Tel.: +607-560 2465).

Closing date: The project will remain open until the position has been filled.

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South East England