Effect of the crystallinity of diamond coatings on cemented carbide inserts on their cutting performance in milling |
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| Affiliation: | 1. Technische Universität Wien, Institute of Chemical Technologies and Analytics, Getreidemarkt 9/164-CT, A-1060 Vienna, Austria;2. Boehlerit GmbH & Co. KG, Forschung & Entwicklung, Werk VI Straße 100, A-8605 Kapfenberg, Austria;1. Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China;2. Baihui Xingye (Beijing) Technology Co. Ltd, Beijing 100142, China;1. Manufacturing Engineering Section, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai 600036, India;2. Nano Functional Materials Technology Centre, Department of Physics, Indian Institute of Technology Madras, Chennai 600036, India;3. Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, TN, India |
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| Abstract: | Micro-crystalline diamond (MCD) coatings were deposited on cemented carbide inserts at different temperatures using hot filament chemical vapor deposition technique. For investigating the effect of the developed diamond crystallinity on the fatigue strength and wear behaviour of the prepared MCD coated inserts, inclined impact tests and milling investigations were conducted correspondingly. Raman spectra were recorded for capturing the crystalline phases after the film deposition and their potential changes after the impact and milling experiments induced by the mechanical and thermal loads. Thus, the explanation of the cutting performance of the employed diamond coated inserts with various crystalline phases was enabled. |
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| Keywords: | Diamond coating Fatigue Wear |
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