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  4. Ecological and functional optimization of the pretreatment process for plasma based coatings of cutting tools
 
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2019
Journal Article
Titel

Ecological and functional optimization of the pretreatment process for plasma based coatings of cutting tools

Abstract
Increasing demands in machining of high-tech materials and dry machining lead to higher thermal and mechanical loads on cutting tools. In response to these challenges, enhanced coating solutions are applied to increase performance and life of cutting tools. However, during the production process the cemented carbide substrates are contaminated with grinding oils and residues of organic material. For the subsequent physical vapor deposition (PVD) coating process an intensive and high-quality cleaning process is necessary. In this contribution, plasma electrolytic polishing (PEP) is used as a novel alternative to conventional ecologically harmful cleaning baths. Apart from the ecological advantage, the surface of the substrate can be optimized with regard to the coating adhesion. To examine the performance of the different cleaning processes, machining tests were performed at the IWF to evaluate the layer adhesion and tool life of the tools.
Author(s)
Uhlmann, E.
Riemer, H.
An, S.
Fröhlich, M.
Paschke, H.
Petersen, M.
Zeitschrift
Procedia manufacturing
Konferenz
Global Conference on Sustainable Manufacturing (GCSM) 2018
Thumbnail Image
DOI
10.1016/j.promfg.2019.04.077
Externer Link
Externer Link
Language
English
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Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK
Fraunhofer-Institut für Schicht- und Oberflächentechnik IST
Tags
  • PVD-coating

  • turning

  • Plasma electrolytic P...

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