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Compaction, smoothing and hardening of thermally sprayed coatings by means of ultrasonic machining


Peer-reviewed Papers

Authors: Prof. Dr.-Ing. habil. Christian Rupprecht, Dr.-Ing. Niyameddin Süleymanov, Dr.-Ing. Georg Thomas, M. Sc. Finn Martin, M. Sc. Marius Limburg, Prof. Dr. sc. techn. Michael Schneeweiß, Dipl.-Ing. Andreas Zinke, Dr.-Ing. Jan Glühmann

The article deals with the ultrasoni-cally assisted post-treatment of thermally sprayed (TS) coatings. Ultrasonic (US) technology is optimised for various materials as examples (iron-based, zinc and copper sprayed coatings) and for defined process-ing tasks (compaction, smoothing and hardening). In this respect, the processing results are assessed on the basis of microstructural chang-es (coating microstructure analysis, light microscopy and SEM analy-sis) as well as using metallographic testing methods (hardness measurement, porosity measurement and roughness measurement). The utilised test setup is transferable to the industrial scale with simple means and constitutes a sensible supplement to conventional mechanical post-treatment methods for sprayed coatings.
Pages: 88 - 95
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This article appeared in issue 2 (2021).

Issue 2 (2021) Volume 14
Thermal Spray Bulletin
Issue 2 (2021) Volume 14
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