Abstract: Bonded solid lubricating coating is one of the main types of solid lubricating materials, and has been widely used in military and high-tech fields such as aerospace and civil industry. This paper introduces several major types of bonded solid lubricant coatings and their performance characteristics. It summarizes the latest developments in the basic and applied research of bonded solid lubricant coatings. Combined with typical application examples, the bonded solid lubricant coatings are reviewed. It plays an important role in solving tribological problems such as mechanical wear, lubrication and adhesive cold welding under special working conditions; the last list introduces several bonded solid lubricating coating materials developed by Lanzhou Institute of Chemical Physics in recent years.
1 Introduction <br> <br> the past 30 years, one of significant progress in tribology research is the research focus from conventional hydrodynamic lubrication and tribology lubrication system to Materials Science and Technology (including surface engineering) of â‘´. As one of the important signs of this transformation, the new solid lubricants and technologies not only solve the lubrication problems under a series of special working conditions in the military high-tech fields such as aerospace, but also rapidly expand the application in the civil industry.
Bonded solid lubricating coating is one of the main types of solid lubricating materials, which is a method of dispersing a solid lubricant in an organic or inorganic binder system, and then using a paint-like coating process on the surface of the friction member. A new type of lubrication technology that reduces friction and wear. In the western developed countries, since NASA developed the first organic bonded solid lubricating coating containing MoS2 in 1946, the research and application of this kind of materials have been rapidly developed due to its unique performance. The relevant countries not only have established relevant technical standards, but also created a number of entities specializing in the research and development of this type of materials. Up to now, there are hundreds of varieties that have only been commercialized, and their applications have been high. Technical aerospace to all aspects of daily life.
The research on domestic bonded solid lubricating coatings is not too late. Since the early 1960s, combined with the development requirements of the national defense high-tech industry, dozens of varieties of bonded solid lubricating coating materials have been developed, solving a large number of Major lubrication problems in the construction of key military models such as aerospace. Especially in recent years, based on the requirements of high temperature, vacuum, high load, strong radiation and other extremely harsh working conditions, based on the basic research of the application of bonded solid lubricating coatings, a variety of special properties have been developed. And advanced bonded solid lubricating coating materials with good comprehensive performance, some of which meet the requirements of the US military standard, so that the research of China's bonded solid lubricating coating materials has reached the advanced level of international similar materials, for the modernization of national defense. On the other hand, in the field of civil industry, since the 1980s, with the increasing number of imported technologies, a large number of application techniques for bonding solid lubricating coatings have been introduced, and domestic bonded solid lubricating coatings have been applied. The layer also took this opportunity to start a wide range of applications and achieved significant economic and social benefits. Based on the systematic overview of the performance characteristics of various types of bonded solid lubricant coatings, this paper reviews the recent developments in the basic and applied research of bonded solid lubricant coatings by the Lanzhou Institute of Chemical Physics of the Chinese Academy of Sciences. The typical application of solid lubricant coatings in the military and civil industry is to promote the faster development of research and application of bonded solid lubricant coatings in China.
2 Main types and performance characteristics of bonded solid lubricating coatings
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