Karriere am WZL

 

Masterarbeit oder Bachelorarbeit oder Projektarbeit

am Forschungsbereich Technologie der Fertigungsverfahren, Abteilung Technologieplanung und Schleiftechnik, Gruppe Schleiftechnik
 

Manufacturing technology of the future: Material removal mechanisms during grinding of innovative CMCs by means of simulation

Due to a limited potential of further developments with regard to the thermal load capacity of metallic super alloys, fiber-reinforced ceramics (Ceramic Matrix Composites (CMCs)) have become the focus of material developments. Due to their high mechanical stability, high damage tolerance and thermal resistance as well as their low density, fiber-reinforced ceramics represent a group of materials, which are attributed to a very high application potential in the future. Silicon carbide ceramics, reinforced with C- or SiC-fibers, represent the types of non-oxide CMCs, which are of great technical importance in aerospace and power technology. Applications of fiber reinforced silicon carbide ceramics exist in turbo engine components such as shrouds or vanes. Due to the production-related shape inaccuracies, a damagefree grinding to final dimension is often required. A damagefree grinding process of fiber-reinforced silicon carbide ceramic is only possible with time-consuming and costly preliminary tests, since there is insufficient knowledge regarding their material removal mechanisms. The simulation of the interaction of abrasive grain and workpiece based on numerical models offers a great potential for the analysis of the material removal mechanisms in grinding processes. In comparison to experimental investigations, the processes and state variables can be determined more cost-effectively and at higher local and temporal resolutions with numerical simulations.
The aim of this thesis is therefore the conception and development of a numerical model for the prediction of the material removal mechanisms during grinding of fiber-reinforced non-oxide ceramics depending on the fiber orientation, the fiber material and the grinding process parameters.

 
Task:
The aim of this thesis is therefore the conception and development of a numerical model for the prediction of the material removal mechanisms during grinding of fiber-reinforced non-oxide ceramics depending on the fiber orientation, the fiber material and the grinding process parameters.

 
Voraussetzungen:
• Motivation, independence and commitment
• Interest in the topic of manufacturing processes and production technology
• Good or very good study achievements


Provided:
• Clear delineation of your tasks
• Extensive care
• Responsible implementation
• Opportunity to participate in industry-related topics
• Working opportunity at the institute in a pleasant working atmosphere




Time required: 0,00 Hours

Your contact:
Sebastian Prinz, M.Sc. RWTH
 
Cluster Produktionstechnik 3A 330
Tel.: +49 241 80-20393
Fax: +49 241 80-22293
Mail: S.Prinz@wzl.rwth-aachen.de