| 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 Name | Affiliation | E-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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