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Laser pretreatment of die-cast aluminium for in-mold assembly with plastic
  • Bachelor and Master Thesis
    • Battery research: Selective laser sintering for use in future batteries
    • Evaluation of the influence of particle contamination depending on the separator and compression using the Hi-Pot Test
    • Contacting of metal-polymer current collectors for use in cylindrical cells: Concept development and validation
    • Optimization of a bending test for the mechanical characterization of battery electrodes
    • Influence of cutting process and free cut edge geometry on the Al-5083 fatigue strength
    • Design and testing of a device and method for the in-situ calibration of force sensors in the die casting process
    • Laser beam assembly of lithium metal anodes
    • Laser pretreatment of die-cast aluminium for in-mold assembly with plastic
    • Prediction of component properties in high-pressure die casting using machine learning
    • Remelting effect on temperature field, residual stress, and distortion in WAAM components
    • Residual stress variations during fabrication
    • Conversion and test of a heating system
    • Investigation of the local suitability for adhesive bonding of aluminium die-cast components
    • Investigation of the local suitability for welding of aluminium die-cast components
    • Influence of thermal cutting processes on the quality of the cut edges
    • Toughness of high strength welded steels

Laser pretreatment of die-cast aluminium for in-mold assembly with plastic

Background

In order to meet the challenges of climate change, the use of a functionally integrated multi-material mix of lightweight construction is becoming particularly promising. On one hand, new materials with specially adapted properties are used in such a way that the component can be designed to optimize the load path. On the other hand, different material systems are combined to achieve functionalization, for example by stiffening thin metal sheets with reinforcing ribs made of fibre-reinforced plastic, thus making best use of the lightweight construction potential.

Task

In-Mold Assembly (IMA) by means of injection molding is a process for producing connections of identical and different materials in one step within one mold. Through a targeted further development of laser pretreatment, the process limits can be extended and the process can be enabled for innovative lightweight construction concepts.

Laservorbehandlung

In the context of a student thesis the following fields of activity arise:

  • Literature research on the state of the art
  • Presentation of the objectives of a surface pretreatment with focus on aluminium die casting
  • Pretreatment of aluminium die-cast samples by laser radiation
  • Characterization of the pre-treated surfaces with regard to the influence of pre-treatment, e.g. using REM
  • Determination of a best practice parameter set for the IMA with different plastics
  • Production and characterization of test specimens under quasi-static and vibrating load
  • Interpretation of results and comparison with reference methods

Amount of work

The scope of the work is scalable and therefore allows for bachelor, student and master thesis. For a detailed task description, please contact the supervising research assistant. The time for familiarization is given under supervision.

Requirements

Known requirements of the faculty for the submission of a student research project, bachelor or master thesis. In addition to the fun of experimenting, a committed, independent, careful and conscientious approach is required for the success of the activity. You should also be willing to carry out part of the experiments in the Open Hybrid Lab Factory in Wolfsburg.

Start

henceforth

Julian Steinberg
+ 49 531 391 65028
+49 171 2299964
j.steinberg(at)tu-braunschweig.de
Julian Steinberg
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