| Issue |
MATEC Web Conf.
Volume 114, 2017
2017 International Conference on Mechanical, Material and Aerospace Engineering (2MAE 2017)
|
|
|---|---|---|
| Article Number | 02002 | |
| Number of page(s) | 6 | |
| Section | Chapter 2: Materials | |
| DOI | https://doi.org/10.1051/matecconf/201711402002 | |
| Published online | 10 July 2017 | |
Studies on Thermal Oxidation Stability of Aviation Lubricating Oils
1 Key Laboratory of Coal Processing and Efficient Utilization, Ministry of Education, China University of Mining & Technology, Xuzhou 221116, China
2 Department of Aviation Oil and Material, Air Force Logistics Institute, Xuzhou 221000, China
a Corresponding author: 515811945@qq.com
Simulating the operating condition of aviation engine via autoclave experiment of high temperature and pressure, we studied the physic-chemical property of poly-α-olefin base oil samples mixed with antioxidants of 2,6-di-tert-butyl-4-methylphenol and p,p’-diisooctyl diphenylamine at different temperature. The mechanism of degradation of PAO aviation lubricating oil was analyzed according to the oxidized products by modern analytical instruments. The results showed that the aviation lubricating oil produced a large number of low molecule compounds while increasing the temperature, and resulted in the viscosity decreasing and acid value increasing which indicated that the thermal oxidation of the oil sample underwent a radical process.
© The Authors, published by EDP Sciences, 2017
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