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Author: H. Prashad Publisher: Elsevier ISBN: 0080521584 Category : Technology & Engineering Languages : en Pages : 513
Book Description
This book summarises work done and experience gained over the past three decades in the area of tribology in electrical environments. It takes a close look at behaviour and response characteristics of rolling-element, and hydrodynamic journal & thrust bearings working under the influence of electrical current. Detailed analysis plugs the existing knowledge gaps in the area of tribology in electrical environments. This is because the genesis of intermolecular forces during tribological interaction involves electrostatic attraction or repulsion that creates electro-dynamic, magnetic and exchange forces between atoms. Therefore all tribological phenomena occurring in any interacting system is electrical in nature. Keep your collection up-to date with the latest volume from Elsevier's Tribology and Interface Engineering Book Series Includes ‘real life' case studies
Author: H. Prashad Publisher: Elsevier ISBN: 0080521584 Category : Technology & Engineering Languages : en Pages : 513
Book Description
This book summarises work done and experience gained over the past three decades in the area of tribology in electrical environments. It takes a close look at behaviour and response characteristics of rolling-element, and hydrodynamic journal & thrust bearings working under the influence of electrical current. Detailed analysis plugs the existing knowledge gaps in the area of tribology in electrical environments. This is because the genesis of intermolecular forces during tribological interaction involves electrostatic attraction or repulsion that creates electro-dynamic, magnetic and exchange forces between atoms. Therefore all tribological phenomena occurring in any interacting system is electrical in nature. Keep your collection up-to date with the latest volume from Elsevier's Tribology and Interface Engineering Book Series Includes ‘real life' case studies
Author: Paul G. Slade Publisher: CRC Press ISBN: 9780824719340 Category : Technology & Engineering Languages : en Pages : 1116
Book Description
Covering the choice, attachment, and testing of contact materials, Electrical Contacts introduces a thorough discussion on making electric contact and contact interface conduction, presents a general outline of, and measurement techniques for, important corrosion mechanisms, discusses the results of contact wear when plug-in connections are made and broken, investigates the effect of thin noble metal plating on electronic connections, relates crucial considerations for making high- and low-power contact joints, details arcing effects on contacts including contact erosion, welding, and contamination, and contains nearly 2800 references, tables, equations, drawings, and photographs.
Author: Leonardo Israel Farfan Cabrera Publisher: Elsevier ISBN: 0443140758 Category : Technology & Engineering Languages : en Pages : 327
Book Description
Electric Vehicle Tribology provides practical, comprehensive guidance on a new and increasingly important area of tribology. Building skills from fundamentals to solution design, this book demonstrates the unique tribological techniques essential to the efficient electrification of transport systems. Led by Professors with a combined three decades in industry and academia, and collecting insights from experts around the world, this book begins with the essential knowledge regarding both Electric Vehicles and tribology. After outlining the unique tribological needs of EVs, the book then breaks down the components and hardware required. It provides detailed protocols and methods for the testing and improvement of lubricants and materials, as well as a dedicated section on modern lubrication specific to EVs. Throughout, it considers the critical question of sustainable tribology, and the long-term sustainable options for lubrication and materials for electric vehicles. A powerful tool for practical innovation, Electric Vehicle Tribology is a cutting-edge examination of a topic emerging as essential to the success of sustainable transport electrification. Provides a thorough grounding in this multidisciplinary topic, building from EV and tribology basics to complex practical uses Outlines case studies and testing protocols for engineers, students, and researchers Evaluates the latest opportunities in green EV tribology for a sustainable transport future
Author: Dinesh Gur Parshad Bansal Publisher: ISBN: Category : Electric contacts Languages : en Pages :
Book Description
The temperature rise at the interface of two sliding bodies has significant bearing on the friction and wear characteristics of the bodies. The friction heat generated at the interface can be viewed as "loss of exergy" of the system, which also leads to accelerated wear in the form of oxidation, corrosion, and scuffing. This has a direct impact on the performance of the components or the machinery. If the sliding interface is also conducting electric current then the physics at the interface becomes complicated. The presence of electrical current leads to Joule heat generation at the interface along with other effects like electromotive, electroplasticity, stress relaxation and creep. The interface of an electrical contact, either stationary or dynamic, is a complex environment as several different physical phenomena can occur simultaneously at different scales of observations. The main motivation for this work stems from the need to provide means for accurate determination or prediction of the critical contact parameters viz., temperature and contact resistance. Understanding the behavior of electrical contacts both static and dynamic under various operating conditions can provide new insights into the behavior of the interface. This dissertation covers three major topics: (1) temperature rise at the interface of sliding bodies, (2) study on static electrical contacts, and (3) study of factors influencing behavior of sliding electrical contacts under high current densities.
Author: Kenneth Holmberg Publisher: Elsevier ISBN: 0080931464 Category : Technology & Engineering Languages : en Pages : 577
Book Description
The surface coating field is a rapidly developing area of science and technology that offers new methods and techniques to control friction and wear. New coating types are continually being developed and the potential applications in different industrial fields are ever growing, ranging from machine components and consumer products to medical instruments and prostheses. This book provides an extensive review of the latest technology in the field, addressing techniques such as physical and chemical vapour deposition, the tribological properties of coatings, and coating characterization and performance evaluation techniques. Eleven different cases are examined in close detail to demonstrate the improvement of tribological properties and a guide to selecting coatings is also provided. This second edition is still the only monograph in the field to give a holistic view of the subject and presents all aspects, including test and performance data as well as insights into mechanisms and interactions, thus providing the level of understanding vital for the practical application of coatings. * An extensive review of the latest developments in the field of surface coatings * Presents both theory and practical applications * Includes a guide for selecting coatings
Author: Milenko Braunovic Publisher: CRC Press ISBN: 0849391083 Category : Technology & Engineering Languages : en Pages : 672
Book Description
Various factors affect the performance of electrical contacts, including tribological, mechanical, electrical, and materials aspects. Although these behaviors have been studied for many years, they are not widely used or understood in practice. Combining approaches used across the globe, Electrical Contacts: Fundamentals, Applications, and Technology integrates advances in research and development in the tribological, material, and analytical aspects of electrical contacts with new data on electrical current transfer at the micro- and nanoscales. Taking an application-oriented approach, the authors illustrate how material characteristics, tribological behavior, and loading impact the degradation of contacts, formation of intermetallics, and overall reliability and performance. Coverage is divided broadly into three sections, with the first focused on mechanics, tribology, materials, current and heat transfer, and basic reliability issues of electrical contacts. The next section explores applications, such as power connections, electronic connections, and sliding contacts, while the final section presents the diagnostic and monitoring techniques used to investigate and measure phenomena occurring at electrical contact interfaces. Numerous references to current literature reflect the fact that this book is the most comprehensive survey in the field. Explore an impressive collection of data, theory, and practical applications in Electrical Contacts: Fundamentals, Applications, and Technology, a critical tool for anyone investigating or designing electrical equipment with improved performance and reliability in mind.
Author: Mark Hadfield Publisher: John Wiley & Sons ISBN: 9781860584152 Category : Technology & Engineering Languages : en Pages : 416
Book Description
Tribology in Environmental Design is an indispensable collection of chapters exploring the life cycle of all stages of tribological issues for product design. The contributors for this edition are from a wide range of disciplines and countries ensuring a comprehensive overview of Tribology in Environment Design. This well-renowned second international conference explores the role of tribology in the context of product design and how this influences environmental, as well as product life cycle, consequences. Topics covered include: Sustainable Design Life-oriented Products Life-cycle Assessment for Optimized Products Surface Engineering Lubricants Test Methods Advanced Materials Analytical Studies
Author: Pinchuk Publisher: Elsevier ISBN: 0080458084 Category : Science Languages : en Pages : 361
Book Description
Joint endoprosthetics - the science of implanting artificial joints into the human body - has been around since the 1960’s, and consistent advancements are leading to better practice, materials and mechanics. The present book is devoted to the biophysics and effect of wear, friction and lubrication on artificial joints. The important aspects of biocompatibility and wear resistance are reviewed and a retrospective analysis of modern joint endoprosthetic designs is presented. Data on clinical aspects of endoprosthetics are cited in support of the text. Advancements in genetic engineering, and promising new techniques of designing bone and cartilage transplants are explored, and a critical comparison between tribological mechanisms of operation and natural joint functioning are made. An exceptional resource for all specialists in orthopedy, biophysics, immunology and engineers engaged in developing artificial joints.
Author: Nicolas Argibay Publisher: ISBN: Category : Languages : en Pages :
Book Description
ABSTRACT: High current sliding electrical contacts are highly complex tribological systems, presenting a multi-faceted challenge involving electricity, chemistry and mechanical wear. The search for higher performance designs of sliding contacts, loosely termed "brushes," has led to an evolution from monolithic compacted graphite, to monolithic metal-graphite-resin, and more recently to metal fiber brushes. Several aspects of high performance brushes, though well documented in the literature, remain as topics of debate as to the source of the phenomena.