| Friction Property of Surface Modified HNBR by Fluorinated Coating |
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| DOI： |
| Key Words: HNBR；fluorinated coating；coating modification；friction coefficient |
| Author Name | Affiliation | | ZHANG Ling-xin | Beijing University of Chemical Technology | | GUAN Yue | Beijing University of Chemical Technology | | ZHANG Li-qun | Beijing University of Chemical Technology | | LU Yong-lai | Beijing University of Chemical Technology |
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| Abstract: |
| The friction property of surface modified HNBR by fluorinated coating was studied, and compared with that of graphite filled HNBR.The results showed that,HNBR with fluorinated coating had very small friction coefficient at the beginning and it kept unchanged；HNBR filled with large amount of graphite also could achieve low friction coefficient after being tested for a period of time,but the initial friction coefficient was high. It was found by SEM,EDS and FTIR that sprayed fluorinated coating formed a low friction layer covering HNBR and resulting in low friction coefficient from the initial stage；and with test going,the fluorinated coating dissociated in the friction interface to form a continuous lubrication layer.The condition of spraying process affected the uniformity of coating, thus affected the friction properties. |
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