Comparison of antiwear properties of titanium-containing compounds

被引：6
|
作者：
Oganesova, E. Yu. [1 ]
Kuz'mina, G. N. [1 ]
Bordubanova, E. G. [1 ]
Khodzhaeva, V. L. [1 ]
Ezhov, A. A. [1 ]
Ivanov, V. K. [2 ]
Parenago, O. P. [1 ]
机构：
[1] Russian Acad Sci, Topchiev Inst Petrochem Synth, Moscow, Russia
[2] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow, Russia
来源：
PETROLEUM CHEMISTRY | 2012年 / 52卷 / 03期
关键词：
FRICTION;
D O I：
10.1134/S0965544112030085
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
In search for environmentally friendly lubricant additives, titanium 2-ethylhexanoate and titanium oleate, which titanium compounds soluble in white oil, have been synthesized, as well as titanium dioxide nanoparticles modified with tetra-(2-ethylhexyl)thiuram disulfide and di(2-ethylhexyl)thiophosphonodisulfide. These titanium compounds have been characterized by elemental analysis, thermogravimetry, and IR spectroscopy. By means of the small-angle X-ray scattering technique, it has been found that the TiO2 nanoparticles have a size of 1-10 nm. Evaluation of antiwear properties of titanium compounds on a ChS-hMT-1 tribometer in a white oil solution shows that the decrease in wear scar diameter is 38-49% compared with the white oil. Analysis of the friction surfaces by atomic-force microscopy and X-ray microanalysis has shown a decrease in roughness of the friction surface caused by the presence of titanium atoms in the surface layers.
引用
收藏
页码：204 / 207
页数：4
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