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Fundamentals of tribology and bridging the gap between the macro- and micro/nanoscales : [abstracts ; NATO Advanced Study Institute (ASI), August 13 - August 25, 2000, Keszthely, Hungary,]

2001
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Release : 2001
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Book Synopsis Fundamentals of tribology and bridging the gap between the macro- and micro/nanoscales : [abstracts ; NATO Advanced Study Institute (ASI), August 13 - August 25, 2000, Keszthely, Hungary,] by : Bharat Bhushan

Download or read book Fundamentals of tribology and bridging the gap between the macro- and micro/nanoscales : [abstracts ; NATO Advanced Study Institute (ASI), August 13 - August 25, 2000, Keszthely, Hungary,] written by Bharat Bhushan. This book was released on 2001. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamentals of Tribology and Bridging the Gap Between the Macro- and Micro/Nanoscales

2012-12-06 Science
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Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 365/5 ( reviews)

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Book Synopsis Fundamentals of Tribology and Bridging the Gap Between the Macro- and Micro/Nanoscales by : Bharat Bhushan

Download or read book Fundamentals of Tribology and Bridging the Gap Between the Macro- and Micro/Nanoscales written by Bharat Bhushan. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Micro- and Nanoscale Phenomena in Tribology

2011-10-19 Technology & Engineering
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Release : 2011-10-19
Genre : Technology & Engineering
Kind : eBook
Book Rating : 220/5 ( reviews)

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Book Synopsis Micro- and Nanoscale Phenomena in Tribology by : Yip-Wah Chung

Download or read book Micro- and Nanoscale Phenomena in Tribology written by Yip-Wah Chung. This book was released on 2011-10-19. Available in PDF, EPUB and Kindle. Book excerpt: Drawn from presentations at a recent National Science Foundation Summer Institute on Nanomechanics, Nanomaterials, and Micro/Nanomanufacturing, Micro- and Nanoscale Phenomena in Tribology explores the convergence of the multiple science and engineering disciplines involved in tribology and the connection from the macro to nano world. Written by specialists from computation, materials science, mechanical engineering, surface physics, and chemistry, each chapter provides up-to-date coverage of both basic and advanced topics and includes extensive references for further study. After discussing the evolution of tribology in the micro and nano world, the book describes contact conditions spanning between macroscale and nanoscale contacts. It presents an overview of fundamental continuum treatments of interfacial contact and lubrication under a wide range of conditions, including novel advances in contact simulation. It also gives a thorough account of the nature of surface energies and forces in nanostructures as well as adhesion in dry and wet environments. The book then explains how to perform friction measurements at the nanoscale and interpret friction data before demonstrating how micro- and nanotextured surfaces affect adhesion, friction, and wetting. The final chapters emphasize the importance of surface chemistry and molecular dynamics simulation in tribology. With numerous examples and figures throughout, this volume presents a thorough account of important advancements in tribology that offer insight into micro- and nanoscale phenomena. By enabling a better understanding of fundamental micro- and nanoscale interactions, the book helps readers effectively design and fabricate durable tribological components for various engineering and biological systems.

Fundamentals Of Tribology (Third Edition)

2018-07-17 Technology & Engineering
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Release : 2018-07-17
Genre : Technology & Engineering
Kind : eBook
Book Rating : 196/5 ( reviews)

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Book Synopsis Fundamentals Of Tribology (Third Edition) by : Ramsey Gohar

Download or read book Fundamentals Of Tribology (Third Edition) written by Ramsey Gohar. This book was released on 2018-07-17. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Tribology on the Small Scale

2019-08-30 Technology & Engineering
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Release : 2019-08-30
Genre : Technology & Engineering
Kind : eBook
Book Rating : 401/5 ( reviews)

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Book Synopsis Tribology on the Small Scale by : C. Mathew Mate

Download or read book Tribology on the Small Scale written by C. Mathew Mate. This book was released on 2019-08-30. Available in PDF, EPUB and Kindle. Book excerpt: Friction, lubrication, adhesion, and wear are prevalent physical phenomena in everyday life and in many key technologies. This book incorporates a bottom-up approach to friction, lubrication, and wear into a versatile textbook on tribology. This is done by focusing on how these tribological phenomena occur on the small scale — the atomic to the micrometer scale — a field often called nanotribology. The book covers the microscopic origins of the common tribological concepts of roughness, elasticity, plasticity, friction coefficients, and wear coefficients. Some macroscale concepts (like elasticity) scale down well to the micro- and atomic-scale, while other macroscale concepts (like hydrodynamic lubrication) do not. In addition, this book also has chapters on topics not typically found in tribology texts: surface energy, surface forces, lubrication in confined spaces, and the atomistic origins of friction and wear. These chapters cover tribological concepts that become increasingly important at the small scale: capillary condensation, disjoining pressure, contact electrification, molecular slippage at interfaces, atomic scale stick-slip, and atomic bond breaking. Throughout the book, numerous examples are provided that show how a nanoscale understanding of tribological phenomena is essential to the proper engineering of important modern technologies such as MEMS, disk drives, and nanoimprinting. For the second edition, all the chapters have been revised and updated to incorporate the most recent advancements in nanoscale tribology. Another important enhancement to the second edition is the addition of problem sets at the end of each chapter.

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