National Taiwan Ocean University Institutional Repository:Item 987654321/23794
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题名: Effects of Surface Roughness on the Deposition of Adherent Diamond Coatings on WC-Co substrates
作者: Chou;C. C.;Lee;J. W.;Lin;H. H.;Wang;W. K.
贡献者: NTOU:Department of Mechanical and Mechatronic Engineering
國立臺灣海洋大學:機械與機電工程學系
关键词: diamond film;hot filament CVD;surface characterization;coatings
日期: 2008-05
上传时间: 2011-10-20T08:08:16Z
出版者: the 2nd International Conference on New Diamond and Nano Carbons (NDNC2008)
摘要: Diamond thin films were deposited on WC-Co substrates by hot filament chemical vapor deposition (HFCVD) process to improve the tribological performance. The influence of substrate’s surface roughness was found playing an important role in the nucleation stage and the later growing rate as well. In this study, we systematically investigated the effects of substrate’s surface roughness from various original values. Preprocessing, in diamond aqua suspensions with two particle diameters, by supersonic vibrator were also implemented. The diamond deposited substrates were examined by Rockwell-C indentation, scanning electron microscopy (SEM) and Raman spectroscopy. XRD was also applied to identify the relation between coating’s quality and surface’s morphology. The mentioned observation from the instrumental results and the synergy of substrate’s surface roughness and mean diameter of diamond particles in the suspensions were discussed and concluded.
URI: http://ntour.ntou.edu.tw/handle/987654321/23794
显示于类别:[機械與機電工程學系] 期刊論文

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