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PhD: Modelling Austenite Decomposition

Phase transformations

4 maanden geleden

Arbeidsvoorwaarden

Standplaats:
Mekelweg, Delft, Zuid-Holland
Dienstverband:
Tijdelijk contract / Tijdelijke opdracht
Uren per week:
38 uur
Salarisindicatie:
€ 2897 - € 2897 per maand
Opleidingsniveau:
WO

Functieomschrijving

This PhD project forms part of the Digitally Enhanced New Steel Product Development (DENS) program, in which Tata Steel Europe, Materials innovation institute (M2i) and several academic partners collaborate to enable the development of new generations of advanced materials for e.g. the automotive industry.

Digitally Enhanced New Steel Product Development (DENS) program
Significant progress has been made in the past decades in the development of advanced models that describe the behavior of steel during processing and subsequent applications. However, the quantitative application of through process models in new steel product development still lacks predictivity. In modern steel grades, parameters of the steel production process have a significant influence on the final material properties. Furthermore, the trend towards complex multi-phase microstructures requires very sophisticated models to describe their mechanical properties in a predictive manner. The main scientific challenge addressed in this program is to integrate state-of-the-art models in a single through process model framework that can be applied in practice for new steel product development.

The understanding of bainite formation in steels is one of the most controversial topics in physical metallurgy. Existing predictive models on this phase transformation do not provide information on grain sizes or compositional gradients. Experimental studies on transformation temperatures and kinetics of austenite formation show contradicting results. Furthermore, the possibility to extend a model for bainite microstructure to acicular ferrite remains unexplored. To study the present uncertainties on phase transformations after austenite deformation, this project has three aims:
1. To create a physically-based and robust model for 3D description of the bainite and acicular ferrite formation in a polycrystalline material.
2. To develop a model describing phase transformations from deformed austenite.
3. To model the effect of heat of bainite transformation locally and globally in the system.

Functie-eisen

We are searching for enthusiastic candidates holding a MSc degree in physics, chemistry, materials science, or a similar field. The candidate must have knowledge of physics of materials, solid state physics, solid-solid phase transformations, and mechanical behaviour. Moreover, the candidate should have:
• affinity for computational calculation as well as a solid background in mathematics and numerical methods.
• An “academic attitude” with excellent analytical skills, initiative, inventiveness, curiosity, and critical thinking about the research approach and results.
• strong communication skills (high degree of English proficiency), ability to integrate, and good social behaviour.

Conditions

The TU Delft offers a customisable compensation package, a discount for health insurance and sport memberships, and a monthly work costs contribution. Flexible work schedules can be arranged. An International Children’s Centre offers childcare and an international primary school. Dual Career Services offers support to accompanying partners. Salary and benefits are in accordance with the Collective Labour Agreement for Dutch Universities.
As a PhD candidate you will be enrolled in the TU Delft Graduate School. The TU Delft Graduate School provides an inspiring research environment; an excellent team of supervisors, academic staff and a mentor; and a Doctoral Education Programme aimed at developing your transferable, discipline-related and research skills. Please visit graduateschool.tudelft.nl/ for more information.

For more information about this position, please contact Professor Maria Santofimia Navarro, e-mail: m.j.santofimianavarro@tudelft.nl.

Minds for Innovation is the recruitment partner for this project. For more information regarding recruitment please contact Jolanda de Roo. E: j.deroo@m4i.nl, T: + 316 572 913 50.

To apply, please visit the website www.m4i.nl/vacancies/ and use M4i's online application tool by 31 July 2018. When applying for this position, please refer to vacancy number 3ME17-75 in the subject of your motivation letter.

https://mindsforinnovation.nl/vacancies/phd-position-modelling-austenite-decomposition-bainite-acicular-ferrite-heat-of-transf-and-effect-of-deformation-technical-university-of-delft-delft-the-netherlands/

Additional information

Jolanda de Roo
+31 (6)-57291350
j.deroo@m4i.nl

Technische Universiteit Delft