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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/10714


    Title: ANALYSIS OF THE BÉNARD CELL-LIKE WORN SURFACE TYPE OCCURRED DURING OIL-LUBRICATED SLIDING CONTACT
    Authors: 朱孝業(Hsiao Yeh Chu)
    Jen Fin Lin
    Contributor: 圖書資訊館
    Date: 2009-10
    Issue Date: 2010-07-09 16:22:06 (UTC+8)
    Abstract: Scuffing wear is usually used as an important indication of
    the initiation of lubrication failure. Components with scuffing
    wear should be readily replaced in order to avoid severe wear.
    This paper observed the change of surface structure in the
    scuffed area of the worn surface of oil-lubricated vanes-on-ring
    specimens from a microscopic and nano-scale observation and
    material characterization. There existed a kind of Bénard celllike
    special surface shape found from the observation of the
    TEM image of the scuffed surface. In order to see whether
    there was very hot surface temperature to produce Benard cell,
    structure of the surface ferrous material was used as an indirect
    evidence of high temperature. It showed that the temperature in
    the scuffed area suffered a very high temperature which was
    over 800°C from the TEM Result. It showed that very strong
    fluid convection or even evaporation may occur inside the
    scuffed surface. The material strength of the scuffed surface
    would be much lower due to this high temperature. The oil
    pressure of that high temperature area was also very high.
    These factors made it possible to form the Bénard cell structure
    in microscale.
    Relation: Proceedings of the ASME/STLE 2009 International Joint Tribology Conference
    Appears in Collections:[機械工程系所] 會議論文

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