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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. The funds for this position are available for 3 years. The deadline to apply is November 18, 2018.

DTU, Department of Mechanical Engineering, the section for Manufacturing Engineering has a vacant 3-year PhD position in the recently granted project by Danmarks Frie Forskningsfond (DFF). The position is to be filled January 1st 2019 or soon after that.

Residual stresses develop locally in materials during manufacturing and service, and are crucial for the mechanical and physical properties including strength, ductility and fatigue lifetime. To optimize the materials performance and to design advanced materials, it is therefore 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 the new DFF project, a new laboratory based X-ray diffraction technique, LabXRS, will be developed, which will be a game-changer enabling many more scientists to perform sufficient numbers of local RS measurements.

This project aims at using mainly this new technique supplemented by synchrotron techniques 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 aims of the project are to:

Responsibilities and tasks

To achieve the goals, advanced 3D/4D laboratory and synchrotron x-ray techniques will be used to quantify the microstructure and local residual stress of metals after different thermo-mechanical processing. The PhD will plan and conduct experiments and analyze the results. Advanced crystal plasticity finite element modeling will be developed incorporating real 3D microstructures and stress states. This will be in corporation with an external partner in France. The candidate will work in close collaboration with a group of senior scientists, technicians as well as Post Docs and PhDs and with the Danish Company Xnovo Technology ApS.

Some of the research questions this project will address are:

Qualifications

Candidates should have a master’s degree in engineering or a similar degree with an academic level equivalent to the master’s degree in engineering.

Experience within one or more the following topics are an advantage:

Good communication skills in English, both written and spoken, are essential. You should also have the ability to work independently, to plan and carry out complicated tasks.

Approval and Enrolment

The scholarship for the PhD degree is subject to academic approval, and the candidate will be enrolled in one of the general degree programmes at DTU. For information about our enrolment requirements and the general planning of the PhD study programme, please see the DTU PhD Guide.

We offer

DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility.

Salary and appointment terms

The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union. The period of employment is 3 years.

The work will be carried out half at DTU Lyngby Campus and half at DTU Ris Campus.

You can read more about career paths at DTU here.

Further information

Further information may be obtained from Senior Researcher Yubin Zhang, e-mail: yubz@mek.dtu.dk.

You can read more about Department of Mechanical Engineering at www.mek.dtu.dk.

Application

Please submit your online application no later than 18 November 2018 (local time, before midnight). Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link “Apply online”, fill out the online application form, and attach all your materials in English in one PDF file. The file must include:

Candidates may apply prior to obtaining their master’s degree but cannot begin before having received it.

DTU Mechanical Engineering covers the fundamental engineering disciplines within Solid mechanics, Fluid mechanics, Coastal and Maritime Engineering, Energy systems and energy conversion, Materials and Surface Engineering, Manufacturing Engineering, Engineering design and Product development. The department has a scientific staff of about 150 persons, 95 PhD students and a technical/administrative support staff of about 80 persons.


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