文章摘要
Study on Aeroengine Lubricating Oil Resistance of Fluoroether Elastomer O-ring Seal
Received:December 16, 2020  Revised:December 16, 2020
DOI:10.12136/j.issn.1000-890X.2022.01.0050
Key Words: fluoroether elastomer;O-ring seal;aeroengine lubricating oil;lubricating oil resistance
Author NameAffiliationE-mail
YANG Ru AECC Beijing Institute of Aeronautical Materials rayounger@163.com 
ZHAO Wenbo AECC Beijing Institute of Aeronautical Materials  
WANG Zhen AECC Beijing Institute of Aeronautical Materials  
LU Ming AECC Beijing Institute of Aeronautical Materials  
LIU Jinling AECC Beijing Institute of Aeronautical Materials  
SU Zhengtao* AECC Beijing Institute of Aeronautical Materials ztsu@263.net 
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Abstract:
      Two kinds of low-temperature fluoroether elastomers with different fluorine mass fractions were selected to prepare standard O-ring seals(24. 99 mm×3. 53 mm). The physical properties of two O-ring seals and their resistances to Mobil Oil Ⅱ,Great Wall 4050 and FDS-655-HTS aeroengine lubricating oils were studied. The results showed that,the properties of the O-ring seals prepared with the fluoroether elastomer(brand VPL85730) which had a higher fluorine mass fraction had little change in the three kinds of aeroengine lubricants,while O-ring seals prepared with the fluoroether elastomer(brand PL855) which had a lower fluorine mass fraction maintained stable property only in Mobil Oil Ⅱ. When the properties of O-ring seal changed greatly in the aeroengine lubricating oil,a considerable amount of carbon black could separate from the rubber matrix.
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