Multi c-BN coatings by r.f diode sputtering and investigation of wear behavior
- Authors
- Park, S.-T.[Park, S.-T.]; Han, J.-G.[Han, J.-G.]; Keunecke, M.[Keunecke, M.]
- Issue Date
- Mar-2018
- Publisher
- American Scientific Publishers
- Keywords
- c-BN; Adhesion; Turning; Milling; Tool Life
- Citation
- Journal of Nanoscience and Nanotechnology, v.18, no.3, pp.2266 - 2270
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Nanoscience and Nanotechnology
- Volume
- 18
- Number
- 3
- Start Page
- 2266
- End Page
- 2270
- URI
- https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/25838
- DOI
- 10.1166/jnn.2018.14985
- ISSN
- 1533-4880
- Abstract
- Cubic boron nitride (c-BN) films on tool substrates are tendency to delaminate. Therefore, many research groups have studied improvement of c-BN synthesis method and deposition processes due to many potential applications. In this paper, we show that the adhesion property of c-BN layer system can be improved by deposing multi c-BN layers. The multi c-BN layers were deposited by r.f (13.56 MHz) diode sputtering apparatus on cemented carbide tool substrates with a TiAlN adhesion layer. For industrial applications, we performed turning and milling experiments under dry and high speed cutting conditions. In this multi c-BN layer system, the lifetime of the tool is affected by the physical properties of the substrate and coated layers such as substrate grain size, thickness of the TiAlN and first c-BN layer and the total number of c-BN layers in this system. Mostly, fine grain size substrates showed longer lifetimes of over 4 times than raw one. In the turning performance, mono TiAlN layer systems were about two times lower lifetime than mono and multi c-BN layer system, moreover, we could be improved adhesion property for milling performance on tool substrates with binary multi c-BN layer systems under dry and high speed cutting conditions. The new application results of the multi c-BN layer system confirm that the high potential of c-BN coatings on cutting tools. Copyright © 2018 American Scientific Publishers.
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Collections - Engineering > School of Advanced Materials Science and Engineering > 1. Journal Articles
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