教師資料查詢 | 類別: 期刊論文 | 教師: 林諭男 I-nan Lin (瀏覽個人網頁)

標題:Anomalous Behavior of Load-Dependent Friction on Ultra-Nanocrystalline Diamond Film
學年103
學期1
出版(發表)日期2014/09/01
作品名稱Anomalous Behavior of Load-Dependent Friction on Ultra-Nanocrystalline Diamond Film
作品名稱(其他語言)
著者Ramadoss Raadhika; Niranjan Kumar; Sitaram Dash; Ashok K. Tyogi; Lin, I. Nan; 林諭男
單位淡江大學物理學系
出版者Weinheim: Wiley - V C H Verlag GmbH &; Co. KGaA
著錄名稱、卷期、頁數Advanced Engineering Materials 16(9), pp.1098–1104
摘要Load dependent anomalous behavior of friction coefficient in ultra-nanocrystalline diamond (UNCD) film was investigated while sliding against SiC ball. At low and high loads, the friction coefficient was quite high. However, at intermediate loads, ultra- low friction coefficient 0.002 was measured. Raman analysis of sliding interfaces showed evolution of high fraction of a-C/sp2C=C bonding at low and high loads. This invariably results in occurrences of unsaturated carbon atoms which chemically forms strong bonding. However, wear rate does not follow the trend of friction coefficient and found to increase with load. Such a behavior indicates that friction coefficient depends on the nature of chemical bonding present at sliding interfaces.
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ISSN1527-2648
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