PhD Scholarship in Residual Stress Measurement and Design of Advanced Metal Microstructures

Applicants are invited to apply for a PhD position in mechanical engineering at Technical University of Denmark, Denmark. Candidates are welcome before June 30, 2019.

Department of Mechanical Engineering, the section for Manufacturing Engineering at the Technical University of Denmark has a vacant 3-year PhD position in a recently granted project by Danmarks Frie Forskningsfond (DFF). The position is to be filled as soon as possible.

The Section for Manufacturing Engineering performs theoretical, numerical, and experimental research in the field of manufacturing engineering. It covers a wide range of manufacturing processes and modelling approaches, metrology at all scales, micro/nano manufacturing, and additive manufacturing. The research is based on a multidisciplinary use of process technology, materials science, solid and fluid mechanics as well as thermodynamics and heat transfer in the analysis, modelling, and development of manufacturing processes.

Research field

Residual stresses develop locally in materials during manufacturing and service. They are crucial for the mechanical and physical properties including strength, ductility and fatigue lifetime, but are often overlooked. To optimize the materials performance and to design advanced materials, it is essential to determine non-destructively the local residual stresses and relate them to the local materials inhomogeneities in 3D. So far, such measurements are rare and can only be done at large international synchrotron facilities. In this DFF project, a new laboratory based X-ray diffraction technique, LabXRS, will be developed. This technique will be a game-changer enabling many more scientists to perform local residual stress measurements than is possible at synchrotron facilities.

This project aims at using this new technique, supplemented by synchrotron measurements, to quantify for the first time systematically the level of local residual stresses and to investigate their influence on the mechanical properties of multiphase materials.

The PhD student will work in close collaboration with a group of senior scientists, technicians as well as Post Docs and other PhDs at DTU and with the Danish Company Xnovo Technology ApS. The external stay will be at Ecoles des Mines at Saint Etienne in France.

Candidates should have a two-year master’s degree (120 ECTS points) or a similar degree with an academic level equivalent to a two-year master’s degree.


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