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  4. Investigations of air atomized and coarser gas-atomized AlSi12 powders to evaluate cost reduction potentials for additive manufacturing processes
 
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Investigations of air atomized and coarser gas-atomized AlSi12 powders to evaluate cost reduction potentials for additive manufacturing processes

Publikationstyp
Conference Paper
Date Issued
2021
Sprache
English
Author(s)
Ludwig, Ina
Kluge, Maximilian  
Jutkuhn, Dennis  
Laser- und Anlagensystemtechnik T-2  
Grube, Marten
Imgrund, Philipp  
Emmelmann, Claus  orcid-logo
Laser- und Anlagensystemtechnik T-2  
TORE-URI
https://hdl.handle.net/11420/46803
Citation
Developing the powder metallurgy future : Euro PM 2021 Virtual Congress & Exhibiton : proceedings : 18-22 October 2021, online / EPMA, European Powder Metallurgy Association. - 2021.
Contribution to Conference
2021 European Powder Metallurgy Congress and Exhibition, Euro PM2021  
Scopus ID
2-s2.0-85149181922
ISBN
978-1-899072-54-5
The powder is a decisive factor for the final quality of an L-PBF part. Due to constant improvements, productivity continues to rise and more cost efficient processes can be realized. Thereby, the importance of material-related cost-savings increase and become more relevant regarding the overall manufacturing costs. In order to save costs, the processing of uncommon AlSi12 powder qualities was investigated. A broader particle size distribution (20-100 μm) and an irregular shaped powder (20-63 μm, air atomized) were compared with a standard powder (20-63 μm). All powders were characterised and the flowability was determined. In-process spreadability was monitored and determined on a test-rig. The component quality was analysed using density cubes and tensile specimens built up on an EOS M290. To increase the efficiency of the L-PBF process, coarser layer thicknesses were achieved with the coarser powder. For a final evaluation, the cost saving potentials for all powders variants were evaluated.
DDC Class
530: Physics
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