Abstract
The polymer of chlorinated-phenyl methyl-terminated silicon oil (code as CPSO) was synthesized. The physical properties such as saturated vapour pressure and evaporation weight loss of CPSO were investigated. The thermal stability of CPSO was analyzed using thermogravimetric analysis in nitrogen atmosphere. The tribological properties of the CPSO as the lubricant for a GCrl5/CuSn alloy contact in air were evaluated using an Optimol SRV oscillating friction and wear tester, using perfluoropolyether (PFPE) and synthetic phosphazine X-1P as the references. Moreover, the tribological properties of the CPSO as the lubricant for a GCr15/9Crl8 contact in vacuum of a pressure 1 × 10-3 Pa were evaluated using a CZM vacuum friction and wear tester, also using PFPE and X-1P as the references. The results showed that the synthetic silicon oil had excellent thermal stability, low temperature fluidity and very low saturated vapour pressure. It was superior to PFPE and X-1P as the lubricant for the GCrl5/CuSn alloy contact in air and for the GCr15/9Cr18 contact in vacuum of a pressure 1 × 10-3 Pa. Therefore, the synthetic silicon oil CPSO as the liquid lubricant could fine promising application in the lubrication of various space mechanisms working in harsh conditions such as high vacuum, low temperature, and strong irradiation.
| Original language | English |
|---|---|
| Pages (from-to) | 254-257 |
| Number of pages | 4 |
| Journal | Mocaxue Xuebao/Tribology |
| Volume | 25 |
| Issue number | 3 |
| State | Published - May 2005 |
| Externally published | Yes |
Keywords
- Aerospace lubricant
- Friction and wear behavior
- Silicon oil