Fundamentals Of Tribology
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Fundamentals of Tribology
Author | : Rahnejat Homer,Gohar Ramsey |
Publsiher | : World Scientific |
Total Pages | : 520 |
Release | : 1998-10-20 |
Genre | : Technology & Engineering |
ISBN | : 9781786345196 |
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Fundamentals of Tribology deals with the fundamentals of lubrication, friction and wear, as well as mechanics of contacting surfaces and their topography. It begins by introducing the reader to the importance of tribology in everyday life and offers a brief history of the subject. It then describes the nature of rough surfaces and the mechanics of contacting elastic solids and their deformation under load and friction in their relative motion. The book goes on to discuss the importance of lubricant rheology with respect to viscosity and density. Then, the principles of hydrodynamic lubrication are covered with derivations of the governing Reynolds and energy equations. Applications of hydrodynamic lubrication in various forms of bearings -- journal bearings, thrust bearings and externally pressurised bearings -- are outlined. The important and still evolving subject of elastohydrodynamic lubrication is treated in some detail, both at its fundamentals and its applications in thin shell or overlay bearings, cam-followers and internal combustion engine pistons. The fundamentals of biotribology are also covered, particularly its applications to endo-articular mammalian joints such as hip and knee joints and their arthroplasty. In addition, there is a treatment of the rapidly emerging knowledge of tribological phenomena in lightly loaded vanishing conjunctions (nanotribology), in natural systems and very small devices, such as MEMS and high density data storage media. There is also a new chapter on the rapidly emerging subject of surface texturing to promote retention of microreservoirs of lubricant, acting as microbearings and improving lubrication of otherwise poorly lubricated conjunctions. This book targets the undergraduate and postgraduate body as well as engineering professionals in industry, where often a quick solution or understanding of certain tribological fundamentals is sought. The book can also form an initial basis for those interested in research into certain aspects of tribology.
Fundamentals of Tribology and Bridging the Gap Between the Macro and Micro Nanoscales
Author | : Bharat Bhushan |
Publsiher | : Springer Science & Business Media |
Total Pages | : 961 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9789401007368 |
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The word tribology was fIrst reported in a landmark report by P. Jost in 1966 (Lubrication (Tribology)--A Report on the Present Position and Industry's Needs, Department of Education and Science, HMSO, London). Tribology is the science and technology of two interacting surfaces in relative motion and of related subjects and practices. The popular equivalent is friction, wear and lubrication. The economic impact of the better understanding of tribology of two interacting surfaces in relative motion is known to be immense. Losses resulting from ignorance of tribology amount in the United States alone to about 6 percent of its GNP or about $200 billion dollars per year (1966), and approximately one-third of the world's energy resources in present' use, appear as friction in one form or another. A fundamental understanding of the tribology of the head-medium interface in magnetic recording is crucial to the future growth of the $100 billion per year information storage industry. In the emerging microelectromechanical systems (MEMS) industry, tribology is also recognized as a limiting technology. The advent of new scanning probe microscopy (SPM) techniques (starting with the invention of the scanning tunneling microscope in 1981) to measure surface topography, adhesion, friction, wear, lubricant-fIlm thickness, mechanical properties all on a micro to nanometer scale, and to image lubricant molecules and the availability of supercomputers to conduct atomic-scale simulations has led to the development of a new fIeld referred to as Microtribology, Nanotribology, or Molecular Tribology (see B. Bhushan, J. N. Israelachvili and U.
FUNDAMENTALS OF TRIBIOLOGY
Author | : S. K. BASU,S. N. SENGUPTA,B. B. AHUJA |
Publsiher | : PHI Learning Pvt. Ltd. |
Total Pages | : 272 |
Release | : 2005-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9788120327238 |
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This comprehensive and student friendly text gives a clear analysis of the fundamental aspects of the subject, starting from surface behaviour and contact phenomenon of interfacing surface. The book elaborates the types, specification and standardization and measurement of surface irregularities in evaluating triboproperties in relation to friction, lubrication and wear. Besides, it also discusses various lubricants and their selection. The text reflects the rich and varied experience of the authors in teaching, research and industry and provides real life cases encountered by them. This practice-oriented book, which contains a large number of worked-out examples, exercises and other pedagogic features, is intended as a text for undergraduate and postgraduate students of production, mechanical and design engineering. It can also be profitably used as a reference by practising engineers.
Fundamentals of Engineering Tribology with Applications
Author | : Harish Hirani |
Publsiher | : Cambridge University Press |
Total Pages | : 464 |
Release | : 2016-03-11 |
Genre | : Science |
ISBN | : 9781107063877 |
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"Presents explanation on the theories and applications of hydrodynamic thrust bearing, gas (air) lubricated bearing and elasto-hydrodynamic lubrication"--
Extreme Tribology
Author | : Ahmed Abdelbary |
Publsiher | : CRC Press |
Total Pages | : 365 |
Release | : 2020-01-06 |
Genre | : Science |
ISBN | : 9780429828973 |
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Tribology is an unfamiliar term for many, but is experienced by all. It is the science of friction, wear and lubrication of contacting surfaces in relative motion. The aim of this book is to introduce the fundamentals of tribology as well as its challenges in extreme operating conditions. The book comprises a historical background and an introduction to familiarize both undergraduate and postgraduate readers with such an important topic. It addresses a comprehensive coverage of classical tribology of solid contacts, friction mechanics, wear mechanisms and lubrication technologies. The tribology of polymer composites, MEMS and NEMS are explored. In addition, tribology of automotive components is presented, as are tribological applications in many practical situations.Various test methods used in evaluating wear are reviewed. Diverse techniques applied in predicting wear behavior by mathematical models, FE modeling and ANN approach are discussed. The book reviews key features of extraordinary conditions associated with, but not limited to, harsh environments, severe sliding and poor lubrication challenges. A basic understanding of failure modes in tribological systems is covered. The state-of-the-art research on tribology under these extreme conditions is extensively discussed, which will be of interest to researchers. The book highlights solutions for extreme tribology problems and provides an overview of various factors affecting tribosystems in harsh conditions.
Fundamentals of Tribology
Author | : Nam P. Suh,N. Saka |
Publsiher | : MIT Press (MA) |
Total Pages | : 1240 |
Release | : 1980 |
Genre | : Technology & Engineering |
ISBN | : UOM:39015002081761 |
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This volume provides an overview of tribology and a forum for diverse views on this crucial subject.
Tribology and Dynamics of Engine and Powertrain
Author | : Homer Rahnejat |
Publsiher | : Elsevier |
Total Pages | : 1048 |
Release | : 2010-09-30 |
Genre | : Technology & Engineering |
ISBN | : 9781845699932 |
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Tribology, the science of friction, wear and lubrication, is one of the cornerstones of engineering’s quest for efficiency and conservation of resources. Tribology and dynamics of engine and powertrain: fundamentals, applications and future trends provides an authoritative and comprehensive overview of the disciplines of dynamics and tribology using a multi-physics and multi-scale approach to improve automotive engine and powertrain technology. Part one reviews the fundamental aspects of the physics of motion, particularly the multi-body approach to multi-physics, multi-scale problem solving in tribology. Fundamental issues in tribology are then described in detail,from surface phenomena in thin-film tribology, to impact dynamics, fluid film and elastohydrodynamic lubrication means of measurement and evaluation. These chapters provide an understanding of the theoretical foundation for Part II which includes many aspects of the physics of motion at a multitude of interaction scales from large displacement dynamics to noise and vibration tribology, all of which affect engines and powertrains. Many chapters are contributed by well-established practitioners disseminating their valuable knowledge and expertise on specific engine and powertrain sub-systems. These include overviews of engine and powertrain issues, engine bearings, piston systems, valve trains, transmission and many aspects of drivetrain systems. The final part of the book considers the emerging areas of microengines and gears as well as nano-scale surface engineering. With its distinguished editor and international team of academic and industry contributors, Tribology and dynamics of engine and powertrain is a standard work for automotive engineers and all those researching NVH and tribological issues in engineering. Reviews fundamental aspects of physics in motion, specifically the multi-body approach to multi physics Describes essential issues in tribology from surface phenomena in thin film tribology to impact dynamics Examines specific engine and powertrain sub-systems including engine bearings, piston systems and value trains
Tribology for Engineers
Author | : J Paulo Davim |
Publsiher | : Elsevier |
Total Pages | : 320 |
Release | : 2011-01-24 |
Genre | : Technology & Engineering |
ISBN | : 9780857091444 |
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Tribology for engineers discusses recent research and applications of principles of friction, wear and lubrication, and provides the fundamentals and advances in tribology for modern industry. The book examines tribology with special emphasis on surface topography, wear of materials and lubrication, and includes dedicated coverage on the fundamentals of micro and nanotribology. The book serves as a valuable reference for academics, tribology and materials researchers, mechanical, physics and materials engineers and professionals in related industries with tribology. Edited and written by highly knowledgeable and well-respected researchers in the field Examines recent research and applications of friction, wear and lubrication Highlights advances and future trends in the industry