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All vacancies are available in the "Mechanics of Materials and Structures" research group (UGent-MMS) at Ghent University.
Ghent University is a large university in Belgium, counting about 45,000 students. Ghent University consistently ranks among the best 100 universities in the world. In 2019, it was ranked, globally, 66th by the Academic Ranking of World Universities or Shanghai ranking (http://www.shanghairanking.com/World-University-Rankings/Ghent-University.html). More information about the UGent rankings can be found here.
The research group UGent-MMS counts 3 professors and about 30 researchers. More information can be found in the slideshow of the research group. The offices and laboratories of this group are situated in the south of Ghent (Technologiepark-Zwijnaarde 46, 9052 Zwijnaarde).
All vacancies are full-time job positions. For the duration, see below.
Additive manufacturing of metal alloys yields great potential for the aerospace industry (and others) as it allows the generation of geometrically complex structures with high specific strength, low density and high corrosion resistance. For example, General Electric has demonstrated the possibility of printing titanium fuel injectors for their LEAP engine, EADS has printed a nacelle hinge bracket for the Airbus A320, Boeing incorporated more than 300 printed parts in their 777X airplane … For such critical applications, the structural quality of printed parts is of utmost importance. Small deviations in print conditions, e.g. change in laser fluence, variation in powder quality, non-uniform gas flow, build position … may result in varying print quality, and even in inferior parts containing porosity, cracks, residual stress and geometrical deviations, amongst others. Current inspection protocol involves the use of X-rays, but this is a time-and cost-inefficient method for high-volume applications.
This 3-year RESON-AM project aims at developing a fast, practical and sensitive quality control technology for AM metal parts. The project is a close collaboration between several leading industrial partners (Materialise, Siemens and MatchID) and academia (KULeuven and UGent). The project is funded by SIM-Flanders (Strategic Initiative Materials in Flanders).
UGent will specifically focus in the project on the development and implementation of robust (non)linear resonant ultrasound spectroscopy procedures, coupled to deep learning algorithms, in order to assess the structural quality of printed metal parts in a fast and reliable manner. The current postdoc vacancy concerns the implementation and realization of a flexible and sensitive measurement platform using NI-PXIe technology. Piezo-electric sensors and/or (pulsed) lasers will be employed for excitation and subsequent acquisition of vibrations in a wide frequency bandwidth of 0-500 kHz. Both linear and nonlinear vibrational test approaches are of interest. Data analysis tools will be developed in order to interpret the (non)linear vibrational response and to extract (non)linear vibrational features (e.g. resonance parameters). These features will provide crucial information on part quality, and will give insight in the physical origin(s) of print variability.
We search a mature researcher having a strong background in vibration testing & analysis, and large experience in experimental hardware and software (LabVIEW) implementation. The researcher will closely collaborate with another researcher at UGent who focuses on deep learning tasks, as well as with the researchers of the project partners.
The responsible person at Ghent University is Prof. Wim VAN PAEPEGEM. He has 20 years of experience in mechanics of composites and finite element simulations. More information on the achievements of the research group can be found on http://www.composites.ugent.be/.
Who do we look for?
What do we offer?
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