Research On Preparation Of Titanium Complex Grease And Its Behavior Of Lubrication At Different Temperature

With the rapid development of modern industry, high qualities of greases are stringently demanded day by day, grease products go forward to the high drop point, high efficiency and more functions, long life and environmentally friendly direction. Titanium complex grease is a new kind of high temperature and multi-effect grease, which is composed of titanium base and soap thicker oil with excellent and environmentally friendly performance and good prospects for development. Titanium complex grease originated from the 90s of last century in India. Because of its excellent combination properties, it has been patented in foreign countries and applied in industrial field. In our country, the Titanium complex grease is seldom researched and used. It is a long term to realize massively manufacture and application. This subject is about the preparations and recipes of Titanium complex grease, as well as physical and chemical properties, friction and wear and lubrication mechanism and so on for realizing industrial manufacture, reducing production costs and improving product quality. There is positive significance improving the grease's level of our country.The main research works carried out as follow: researching the preparation mechanism and the preparation process of Titanium complex grease, optimizing Titanium complex grease preparation and recipes, analyzing the influences of base oil grease on the composite properties of titanium, researching lubrication mechanism and the wear and lubrication performance in different temperature friction and comparing the performance with Universal Lithium grease.The preparation mechanism of Titanium complex grease includes the formation of complex titanium and thickening soap grease. Composite titanium soap produced from the saponification reaction formulates spatial mesh which is beneficial to thicken many types of base oil and get Titanium complex grease. Because the process and preparation of Titanium complex grease have great influences on the manufacturing, analyzing various process parameters, selecting the most important influential factor to design experiment and determining a better formulation and preparation process. In addition, the type and composition of base oil have great influences on the performance of grease. In the test five different type base oils are selected to compound and manufacture Titanium complex grease in order to research on the influences on the performance of Titanium complex grease. Researching on the Titanium complex grease soap grease oil dispersion system, establishing the Titanium complex grease lubrication model; using Transmission Electron Microscopy to observe the composite fiber structure, observing worn steel ball by optical microscopy and SEM morphology, using spectrum analyzer to analyze elements on the worn surface and exploring the lubricating mechanism and properties of friction and wear of the self-made Titanium complex grease; researching the friction and wear properties of Titanium complex grease from 40℃to 200℃and lubrication behavior in high temperature and doing comparative analysis of performance with Universal Lithium grease. The results show that: Titanium complex grease without any additives has good physical and chemical properties and tribological performance, high drop point, the friction coefficient and small wear scar diameter, having good tribological properties at high temperature.