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Influence of thermal cutting processes on the quality of the cut edges
  • 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

Influence of thermal cutting processes on the quality of the cut edges

Background

The use of thermal cutting processes such as oxy-fuel cutting, plasma cutting, laser cutting and water jet cutting results in different cut edge qualities. These depend on the process parameters and many other influencing factors (material, sheet thickness). The quality is characterised in DIN EN 1090 and is mainly determined by the average peak-to-valley height RZ5. In addition, a maximum permissible hardness value is required, which is often exceeded in the cutting processes used. The aim of the investigations is to define the quality of the cut edges and to check them against the requirements of the standard. For this purpose, various practical tests are necessary to characterize the cutting edges.

 

Task

Within the scope of the final project / student research project, tests (e.g. Vickers hardness test, roughness analysis, ...) to determine the cutting edge quality according to DIN EN 1090 are to be carried out, analysed and evaluated using thermally cut samples of different materials.

Einfluss thermischer Schneidverfahren

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

  • Literature research
  • Analysis of the cutting quality of differently cut samples
  •  Experimental investigation of the quality criteria
  • Determination of the influence of the process during the hardness measurement
  • Interpretation of the results

 

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 or thesis. Commitment and fun in experimental and constructive work. Time for familiarization is given under supervision.

Start

henceforth

Paul Diekhof
+49 531 391 95514
p.diekhoff(at)tu-braunschweig.de
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