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Modelling of the additive manufacturing and thermomechanics of ceramic membranes

Modelling of the additive manufacturing and thermomechanics of ceramic membranes

We are looking for a full-time Postdoc in the area of the characterization and modelling of the mechanical properties of ceramic membranes at the department of Mechanical Engineering. The position is within in the Mechanics of Materials group.
Aanstellingsfunctie(s)
(Postdoctoraal) onderzoeker
Faculteit(en)
Faculteit Werktuigbouwkunde
FTE
1,0
Sluitdatum
31/08/2020
Aanvraagnummer
V35.4499

Functieomschrijving

The objective of this research is to establish an integrated model for AM-printed ceramic membranes that allows to relate materials and process conditions with the resulting mechanical properties that govern strength, reliability and lifetime. The project is part of the larger project AMAZING with different partners, aiming to design and fabricate ceramic membranes and catalytic coatings for the dehydrogenation of alkanes to alkenes  

In the considered AM-processes, use is made of solvent-based 3D printing solutions, which yield a ‘green product’ after drying. The curing/binding of the polymer binder in the printed material with ceramic particles during the 3D printing stage of the process is modelled, in order to determine the residual deformations and stresses, and to properly define the full geometry and material state prior to sintering. An appropriate curing/binding model needs to be determined for this purpose, which relies on the (experimental) input from a parallel project. During the sintering stage, ceramic particles are fused, and the polymer binder evaporates. This stage is accompanied with severe changes in the material microstructure, both geometrically and physically. A phase-field approach is used to describe this adequately, in order to predict the resulting deformations (shrinkage) and the internal stresses. Additionally, the effective properties of the material will be explored using a homogenization approach on smaller RVE-like microstructural domains. The resulting properties can then be related back to the green product, and the AM processing choices made therein.

Functie-eisen

Talented, enthusiastic candidates with excellent analytical and communication skills holding a PhD in Engineering Mechanics, Mechanics of Materials or Materials Science at a Mechanical Engineering or Aerospace Engineering department. A strong interest in mechanics of materials is required. Experience in ceramics, multi-scale modelling, micromechanics, and computational mechanics are of benefit.

Arbeidsvoorwaarden

  • A meaningful job in a dynamic and ambitious university with the possibility to present your work at international conferences.
  • A full-time employment for 2 years.
  • You will have free access to high-quality training programs for research and valorization,  professional development courses for PhD students, and didactical courses of the TEACH training program.
  • A gross monthly salary and benefits in accordance with the Collective Labor Agreement for Dutch Universities with a yearly holiday allowance of 8% and a yearly end-of-year allowance of 8.3% of the yearly salary.
  • A broad package of fringe benefits (including an excellent technical infrastructure, moving expenses, and savings schemes).
  • Family-friendly initiatives are in place, such as an international spouse program, and excellent on-campus children day care and sports facilities.

Informatie en sollicitatie

The mission of the Mechanics of Materials group is to understand, predict and optimise the mechanical response of high-tech materials and products as a function of their underlying microstructure, processing and usage, through focused and co-ordinated experimental, theoretical and computational efforts. High-tech materials are key in developing novel products with revolutionary functionality. Our vision is that by carrying out dedicated world-class research across a range of length scales, we will be able to contribute to the growing demands in society and industry. Our research programme therefore establishes a strong link between application, experiment, theory and computation.

Do you recognize yourself in this profile and would you like to know more? Please contact from prof. dr.ir. Marc Geers, m.g.d.geers[at]tue.nl, dr.ir. Joris Remmers, j.j.c.remmers[at]tue.nl or dr.ir. Hans van Dommelen, j.a.w.v.dommelen[at]tue.nl.

For information about terms of employment, click here or contact Hind Boulgalag, hrservices.gemini[at]tue.nl.
Please visit www.tue.nl/jobs to find out more about working at TU/e!

More information about the Eindhoven University of Technology and Mechanical Engineering Department, can be found on https://www.tue.nl/en. Information on the research section Mechanics of Materials can be found here.

Application

We invite you to submit a complete application by using the 'solliciteer nu'-button on this page. The application should include a:

  • Cover letter in which you describe your motivation and qualifications for the position.
  • Curriculum vitae, including a list of your publications and the contact information of three references.
  • List of five self-selected ‘best publications’.

We look forward to your application and will screen it as soon as we have received it. Screening will continue until the position has been filled.