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The Aerosol Deposition Method: A Modified Aerosol Generation Unit to Improve Coating Quality

1
Department of Functional Materials, University of Bayreuth, 95447 Bayreuth, Germany
2
Siemens AG, Corporate Technology, 81739 Munich, Germany
3
Siemens AG, Corporate Technology, 91050 Erlangen, Germany
4
Institute for Technical Physics, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
5
Palas GmbH, 76229 Karlsruhe, Germany
6
Leibniz Institute for Solid State and Materials Research, 01171 Dresden, Germany
*
Author to whom correspondence should be addressed.
Materials 2018, 11(9), 1572; https://doi.org/10.3390/ma11091572
Received: 20 July 2018 / Revised: 2 August 2018 / Accepted: 4 August 2018 / Published: 1 September 2018
(This article belongs to the Section Manufacturing Processes and Systems)
Owing to its ability to produce dense thick-films at room temperature directly from a ceramic powder, the Aerosol Deposition Method (AD) possesses a unique feature in ceramics processing. For this technology, the aerosol generation of particles is a decisive part of reliable process control. However, there has only been a small amount of work published addressing this topic. In this work, we compare the aerosolization and deposition behavior of a fluidized bed generator with an aerosol generator with the rotary brush principle. While film properties very much depend on deposition time for the fluidized bed generator, films produced with the brush generator show a constant film profile, and their film thickness correlates with the controllable aerosol concentration and the duration of deposition. This type of aerosol generation may improve the setup towards a more reliable AD process. View Full-Text
Keywords: aerosol deposition method (AD); aerosol generator; room temperature impact consolidation; brush generator; powder dispersion; magnesium diboride (MgB2) aerosol deposition method (AD); aerosol generator; room temperature impact consolidation; brush generator; powder dispersion; magnesium diboride (MgB2)
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Hanft, D.; Glosse, P.; Denneler, S.; Berthold, T.; Oomen, M.; Kauffmann-Weiss, S.; Weis, F.; Häßler, W.; Holzapfel, B.; Moos, R. The Aerosol Deposition Method: A Modified Aerosol Generation Unit to Improve Coating Quality. Materials 2018, 11, 1572.

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