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| Author | : D. Dowson |
| Publisher | : Elsevier |
| Total Pages | : 587 |
| Release | : 1994-08-05 |
| Genre | : Technology & Engineering |
| ISBN | : 0080875912 |
This book discusses dissipative phenomena, in particular the origins of friction at all scales, in mechanics, physics and chemistry, encountered in all fields of tribology, from thick film lubrication to dry friction.
| Author | : D. Dowson |
| Publisher | : Elsevier Science Limited |
| Total Pages | : 575 |
| Release | : 1994-01-01 |
| Genre | : Technology & Engineering |
| ISBN | : 9780444817648 |
This text discusses dissipative phenomena, in particular the origins of friction at all scales, in mechanics, physics and chemistry, encountered in all fields of tribology, from thick film lubrication to dry friction.
| Author | : Dowson D. Ed |
| Publisher | : |
| Total Pages | : |
| Release | : 1994 |
| Genre | : |
| ISBN | : |
| Author | : K. Holmberg |
| Publisher | : Elsevier |
| Total Pages | : 457 |
| Release | : 1994-07-15 |
| Genre | : Science |
| ISBN | : 0080875920 |
This book presents a general view on thin surface coatings used for tribological applications and it is based on the current state of understanding. The mechanisms of friction and wear in sliding and rolling contacts of coated surfaces are described. Basic information on coating techniques, tribology and surface mechanisms is given. Based on collected experimental works information is given on the properties of thin soft coatings, such as polymer, lamellar solid and soft metal coatings; thin hard coatings, such as nitride, carbide, oxide, boride and diamond and diamond-like coatings; and multi-component and multi-layer coatings. The influence of interface layers and lubricants is highlighted. The methods available for characterization of coated surfaces and for mechanical and chemical evaluation of their tribological properties are described. Tribological evaluation methods for accelerated and field testing and the need for standardization of quality assurance procedures are discussed. A methodology for the selection of thin coatings for tribological applications is presented and knowledge based expert system approaches for coating selection are reviewed. For different application examples, the basic tribological contact mechanisms are described and the possibilities for improving their tribological properties by using surface coatings are discussed. The application examples include sliding and rolling bearings, gears, tools for cutting and forming, erosion resistant applications, magnetic recording systems and bio-medical implants.
| Author | : Hooshang Heshmat |
| Publisher | : CRC Press |
| Total Pages | : 465 |
| Release | : 2010-05-25 |
| Genre | : Science |
| ISBN | : 1420014765 |
To this point, the field of lubrication has been conceptualized using several noncontiguous modes of operation- boundary, fluid-film, and dry and solid lubrication. Engineers and analysts have long had to deal with old evidence that many tribological devices, such as flat surface and centrally pivoted sliders, can act as viable bearings- contradict
| Author | : Sujeet K. Kumar Sinha |
| Publisher | : Elsevier |
| Total Pages | : 334 |
| Release | : 2006-09-29 |
| Genre | : Technology & Engineering |
| ISBN | : 0080468047 |
The surface characterizations of engineering materials effects their scratch/abrasion/Mar resistance, coating adhesion/strength, and abrasive wear mechanism. Scratching of Materials and Applications has chapters devoted to direct industrial application and contains some of the important works that are being conducted. Scratch testing of materials has grown extensively since the earlier days of the Mohs Scale for ranking minerals according to their relative scratch resistance. This test has been used on metals, ceramics, glasses, polymers and coatings of various types and thicknesses.The chapters are grouped according to the type of the engineering materials used. The beginning chapters relate mostly to bulk polymers, which are followed by different types of coatings (hard wear resistant to the diamond-like carbon coatings) and finally, chapters on the application of scratching technique to metals and ceramics are included at the end of the book. Thus, the book covers a fairly wide spectrum of engineering materials which are useful to engineers and researchers. * Balances theoretical science with practical application* Demonstrates real-life applications within industry* Written experts in the fields of materials, tribology and surface mechanics
| Author | : Scott S. Bair |
| Publisher | : Elsevier |
| Total Pages | : 262 |
| Release | : 2007-03-06 |
| Genre | : Technology & Engineering |
| ISBN | : 0080475302 |
Computational elastohydrodynamics, a part of tribology, has existed happily enough for about fifty years without the use of accurate models for the rheology of the liquids used as lubricants. For low molecular weight liquids, such as low viscosity mineral oils, it has been possible to calculate, with precision, the film thickness in a concentrated contact provided that the pressure and temperature are relatively low, even when the pressure variation of viscosity is not accurately modelled in detail. Other successes have been more qualitative in nature, using effective properties which come from the fitting of parameters used in calculations to experimental measurements of the contact behaviour, friction or film thickness. High Pressure Rheology for Quantitative Elastohydrodynamics is intended to provide a sufficiently accurate framework for the rheology of liquids at elevated pressure that it may be possible for computational elastohydrodynamics to discover the relationships between the behaviour of a lubricated concentrated contact and the measurable properties of the liquid lubricant. The required high-pressure measurement techniques are revealed in detail and data are presented for chemically well-defined liquids that may be used as quantitative reference materials. * Presents the property relations required for a quantitative calculation of the tribological behaviour of lubricated concentrated contacts.* Details of high-pressure experimental techniques.* Complete description of the pressure and temperature dependence of viscosity for high pressures.* Some little-known limitations on EHL modelling.
| Author | : C.M. Taylor |
| Publisher | : Elsevier |
| Total Pages | : 779 |
| Release | : 1996-09-11 |
| Genre | : Technology & Engineering |
| ISBN | : 0080875955 |
The central theme of this book, The Third Body Concept: Interpretation of Tribological Phenomena, was chosen to honour the work of Professor Maurice Godet. The aim of this and previous conferences in the series is to select a topic of current interest to tribologists in order to further advance knowledge in selected fields. Presented by leading scientists from 23 countries, these proceedings provide an up-to-date review of developments in this field..
| Author | : Zenon Pawlak |
| Publisher | : Elsevier |
| Total Pages | : 383 |
| Release | : 2003-12-02 |
| Genre | : Technology & Engineering |
| ISBN | : 008054326X |
KEY FEATURES: Assists scientists, engineers and researchers in the development of a new high performance lubricant· An essential review of the state of knowledge in tribochemistry. The first book published related to tribochemistry oils DESCRIPTION: This latest title takes a new and unconventional look at engine oil as a micellar system. It is the first book of its kind to focus on the tribochemistry of oils and is thus an essential resource to practicing scientists and engineers in the petroleum industry and to all interested in the development of a superior high performance lubricant. Guaranteeing its broad appeal the book gives an invaluable review of the state of knowledge in the rapidly growing area of tribochemistry. The concept of miscelles is clearly explained along their application to stimulate the quality of engine oil, improve fuel efficiency and maintain adequate wear protection formulation. This represents a fresh approach to the formation of anti-wear tribofilms. A new look at engine design trends is given further assisting engineers in the development of a superior lubricant
| Author | : Victor M. Baranov |
| Publisher | : Elsevier |
| Total Pages | : 231 |
| Release | : 2011-07-29 |
| Genre | : Technology & Engineering |
| ISBN | : 0080466273 |
Acoustic Emission in Friction is devoted to acoustic, mainly ultrasonic, emission that occurs in friction of machine components. Its crucial novelty is in systematizing the advances in its use for monitoring technical systems, especially in the important nuclear power industry. Written by four well-known experts from the main nuclear research university in Russia, this book covers the following areas: All the sources of acoustic emission in friction The theory of acoustic emission The effects of surface conditions, load and velocity on acoustic emission The equipment for registration and monitoring of acoustic emission Unique data from acoustic emission control under various testing conditions in friction units of machinery for nuclear industry machinery There is much emphasis on the comparatively new and rapidly developing tribology of nuclear power engineering. Although a substantial part of the experimental data relates to this specific field of engineering, the universality of the method is shown and its application is possible wherever the field inspection of friction units is necessary. Calculation expressions describing main characteristics of AE registered in friction units Describes new set-ups for studying the tribological behaviour of nuclear engineering materials Presents the theory of the acoustic emission method in friction units
