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Collaborative Research Center 814

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  4. Transferproject T7

Transferproject T7

Bereichsnavigation: Projects
  • A – Powder / Materials
    • Subproject A1
    • Subproject A2
    • Subproject A3
    • Subproject A5
    • Subproject A6
  • B – Processes
    • Subproject B1
    • Subproject B2
    • Subproject B3
      • Subproject B3 – Research System
    • Subproject B5
    • Subproject B6
    • Subproject B7
  • C – Components
    • Subproject C2
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    • Subproject C5
  • T – Transferproject
    • Transferproject T1
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    • Transferproject T3
    • Transferproject T5
    • Transferproject T6
    • Transferproject T7
    • Transferproject T8
    • Transferproject T9
    • Transferproject T10

Transferproject T7

Transferproject T7

Homogeneous material properties for PBF-EB components

Selective electron melting (PBF-EB) allows the defect-free manufacturing of complex components out of high performance materials today. Almost all worldwide applied process strategies base on sequential line melting of the material. The results are a preferential orientation during solidification and inhomogeneous material properties. However, many components rely on homogeneous properties to ensure their application purpose. Current research experiments reveal, that point melting strategies can improve the homogeneity.
The goal of this transfer project is to gain for the first time a deep base knowledge on the point-based beam-material-interaction during PBF-EB to develop suitable process strategies for a reproducible manufacturing of complex components with homogenous material properties. Therefore, single melting points as well as their interaction depending on the point melting pattern and process parameters, e.g. the beam return time, are investigated. In addition, a graph-based algorithm to generate the point melting sequence for defect free parts with homogeneous properties is developed and finally demonstrated on a complex component.

 

Markl, Matthias

Dr.-Ing. Matthias Markl

Project Leader B2, T2, T7

Chair of Materials Science and Engineering for Metals (WTM)
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)

  • Telefon: +49 9131 85-28748
  • E-Mail: matthias.markl@fau.de

 

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Erlangen-Nürnberg

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91054 Erlangen
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