Molybdenum Disulphide Lubrication

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Elsevier, May 28, 1999 - 379 páginas
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In the 1970s and the early 1980s there was an enormous volume of research and development into the subject of molybdenum disulphide lubrication, much of which was supported by national governments for the benefit of defence, aviation or space activities. There were already some well-established practical guidelines for deciding when and how to use molybdenum disulphide, but there was still a considerable lack of universally-accepted theoretical understanding of some of the important and fundamental aspects of molybdenum disulphide technology. However, the state of knowledge was growing rapidly.

In the past fifteen years the situation with regard to the technology of molybdenum disulphide lubrication has stabilised in many respects, and a measure of consensus has been reached about some of the mechanisms involved. The use of molybdenum disulphide has become routine in some industries, and there are many well-established and reputable commercial products available. Except in the high-technology field of physical deposition techniques, especially sputtering, the output of new research publications has fallen from perhaps two hundred a year in the 1970s to fewer than ten a year in the 1990s. In spite of this maturing of the subject, it is clear that there are still many aspects in which disagreements persist about the mechanisms involved, and which as a result are unclear or misunderstood among current, and perhaps even more importantly, potential users.
One of the primary objectives of this book is to analyse the various aspects of molybdenum disulphide lubrication technology about which there are still disagreements or controversy, and to attempt to come to firm conclusions about some of the mechanisms involved. In particular, it will place emphasis on the importance and effects of burnishing and film consolidation.

 

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Contenido

Chapter 1 History
1
Chapter 2 Occurrence and Extraction
11
Chapter 3 Molybdenum and its Compounds
21
Chapter 4 Properties of Molybdenum Disulphide
31
Chapter 5 Mechanism of Lubrication
47
Chapter 6 Formation of Molybdenum Disulphide Films
61
Chapter 7 Properties of Molybdenum and Disulphide Films
79
Chapter 8 Transfer in Lubrication
107
Chapter 11 Bonded Films
179
Chapter 12 Composites
207
Chapter 13 Use in Oils and Greases
245
Chapter 14 Other Lamellar Solid Lubricants
283
Chapter 15 Corrosion and Fretting
305
Chapter 16 Selection and Use
313
References
329
Subject Index
365

Chapter 9 Lubrication by Molybdenum Disulphide Alone
129
Chapter 10 Sputtering and Other Physical Deposition Processes
153

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Acerca del autor (1999)

Dr A. R. Lansdown trained originally as a chemist, and received his first degree at University College, Cardiff, and his doctorate at Cambridge. From Cambridge he went to Canada as a National Research Council Post-Doctorate Fellow.

In Canada he became interested in the petroleum industry and in 1956 joined the Production Research and Technical Service Laboratory of Imperial Oil Limited in Calgary. Here he became involved for the first time in the application of chemistry to various aspects of engineering, especially the flow of fluids through the rock formations of petroleum reservoirs.

In 1961 he returned to Britain to join the Ministry of Aviation, with responsibilities for aircraft lubricants as well as hydraulic fluids and fuels. In this work he was able to combine his technical experience with his life-long interest in aviation. Like many other lubricant technologists at that time, he soon realised that the purely chemical aspects of lubricant formulation and behaviour could not be divorced from the engineering aspects of lubrication, the realisation which was soon afterwards to lead to the concept of tribology as a unifying discipline.

His period in the Ministry of Aviation coincided with the intensive search for high-temperature lubricants and other products for use in supersonic aircraft, and he became particularly interested in synthetic and solid lubricants.

In 1968 he was appointed Manger, and subsequently Director, of the newly-formed Swansea Tribology Centre, and retained this post until his retirement in 1988. In addition to the management of the centre, he also carried out a wide variety of consultancy projects, including a number of plant failureinvestigations, and thee further involved him in analysing the engineering aspects of the failures.

He took an active part in the activities of the Institute of Petroleum and the Tribology Group of the Institution of Mechanical Engineers. He was a member of the council of the Institute of Petroleum from 1984 to 1990. He was awar5ded the Tribology Silver Medal in 1986 and was appointed a Fellow of Institution of Mechanical Engineers in 1993. Since his retirement from the Swansea Tribology Centre he has continued to wok as an independent consultant.

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