The synthesis and tribological behaviour of boron-nitrogen-modified fatty acid water-based lubricant additives
| Autor: | Chen Bo-shui, Wang Jiu, Dong Lin, Huang Weijiu, Fang Jin Hua |
|---|---|
| Rok vydání: | 2004 |
| Předmět: |
chemistry.chemical_classification
Materials science Mechanical Engineering General Chemical Engineering Inorganic chemistry chemistry.chemical_element Infrared spectroscopy Fatty acid Nitrogen Surfaces Coatings and Films Adsorption X-ray photoelectron spectroscopy chemistry Lubrication Lubricant Boron |
| Zdroj: | Journal of Synthetic Lubrication. 21:129-137 |
| ISSN: | 1557-6841 0265-6582 |
| Popis: | A new type of boron-nitrogen-midified fatty acid as a water-based lubricant additive was prepared and the chemical structure characterised by infrared spectroscopy. The tribological properties of the additive in water were evaluated using friction testers. The morphologies and tribochemical species of worn surfaces were analysed by means of X-ray photoelectron spectroscopy (XPS). The results show that the additive is very good at increasing the losdcarrying capacity and the antiwear and friction-reducing properties of wter. A lubrication mechanism is inferred in which a lhigh-strength adsorption film and a tribochemical reaction film form on the rubbing surfaces as a resuly of the carrier effect of long-chain fatty acid molecules, the high reaction activities of nitrogen, and the electron deficiency of boron, as well as the interactions of these factors. |
| Databáze: | OpenAIRE |
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