MATEC Web Conf.
Volume 188, 20185th International Conference of Engineering Against Failure (ICEAF-V 2018)
|Number of page(s)||8|
|Section||Design of Components and Engineering Elements, Coatings, Failure Analysis|
|Published online||07 August 2018|
Improving the cutting performance of coated tools via appropriate pre- and post-treatments
Laboratory for Machine Tools and Manufacturing Engineering, Mechanical Engineering Department, Aristotle University of Thessaloniki,
2 Fraunhofer Project Centre Coatings in Manufacturing, in LMTME and in Fraunhofer Institute for Production Technology in Aachen, Germany
3 German University of Technology in Oman, Department of Engineering, Oman
* Corresponding author: firstname.lastname@example.org
The cutting performance of PVD coated tools can be significantly improved by appropriate pre- and post- treatments of the substrates and coated surfaces respectively. Substrate pre-treatments aim, among others, at improving the coating adhesion. In this way, lower coating loads develop during cutting leading to a decelerated wear evolution. Furthermore, the potential to increase the wear resistance of coated tools via micro-blasting is presented. Micro-blasting parameters such as of grain material, pressure, dry or wet etc., affect significantly the superficial coatings' hardness and brittleness and in this way their wear behaviour. To check the effectiveness of all these methods, innovative coating's characterization procedures providing information concerning the film and substrate properties as well as adhesion are applied, thus reducing the required experimentation time.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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