Tribology in Practice
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Biobased Lubricants and Greases
Technology and Products
by Lou Honary
Part 17 of the Tribology in Practice series
Due to the rise in petroleum prices as well as increasing environmental concerns, there is a need to develop biochemicals and bioproducts that offer realistic alternatives to their traditional counterparts; this book will address the lack of a centralized resource of information on lubricants and greases from renewable sources, and will be useful to a wide audience in industry and academia. It is based on 20 years of research and development at the UNI-NABL Center, and discusses the various types of vegetable oils available, comparing their characteristics, properties and benefits against those of typical petroleum oils as well as discussing common evaluation tests and giving examples and case studies of successful applications of biobased lubricants and greases. Whilst scientific and engineering research data is included, the book is written in an accessible manner and is illustrated throughout.
• Focuses on an industrial application of lubrication technology undergoing current explosive growth in the global market.
• Includes a detailed review of the material benefits of plant-based lubricants that include a better viscosity index and lubricity even at extreme temperatures, lower flammability due to higher flash points and lower pour points.
• Covers the basic chemistry of vegetable oils as well as their profiles for use in lubricants and greases and environmental benefits.
• Includes examples and case studies of where vegetable-based lubricants have been successfully employed in industry applications.

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Air Bearings
Theory, Design and Applications
by Farid Al-Bender
Part of the Tribology in Practice series
Comprehensive treatise on gas bearing theory, design and application
This book treats the fundamental aspects of gas bearings of different configurations (thrust, radial, circular, conical) and operating principles (externally pressurized, self-acting, hybrid, squeeze), guiding the reader throughout the design process from theoretical modelling, design parameters, numerical formulation, through experimental characterisation and practical design and fabrication.
The book devotes a substantial part to the dynamic stability issues (pneumatic hammering, sub-synchronous whirling, active dynamic compensation and control), treating them comprehensively from theoretical and experimental points of view.
Key features:
• Systematic and thorough treatment of the topic.
• Summarizes relevant previous knowledge with extensive references.
• Includes numerical modelling and solutions useful for practical application.
• Thorough treatment of the gas-film dynamics problem including active control.
• Discusses high-speed bearings and applications.
Air Bearings: Theory, Design and Applications is a useful reference for academics, researchers, instructors, and design engineers. The contents will help readers to formulate a gas-bearing problem correctly, set up the basic equations, solve them establishing the static and dynamic characteristics, utilise these to examine the scope of the design space of a given problem, and evaluate practical issues, be they in design, construction or testing.

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Principles and Applications of Tribology
by Bharat Bhushan
Part of the Tribology in Practice series
This fully updated Second Edition provides the reader with the solid understanding of tribology which is essential to engineers involved in the design of, and ensuring the reliability of, machine parts and systems. It moves from basic theory to practice, examining tribology from the integrated viewpoint of mechanical engineering, mechanics, and materials science. It offers detailed coverage of the mechanisms of material wear, friction, and all of the major lubrication techniques-liquids, solids, and gases-and examines a wide range of both traditional and state-of-the-art applications.
For this edition, the author has included updates on friction, wear and lubrication, as well as completely revised material including the latest breakthroughs in tribology at the nano-and micro-level and a revised introduction to nanotechnology. Also included is a new chapter on the emerging field of green tribology and biomimetics.

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Introduction to Tribology
by Bharat Bhushan
Part of the Tribology in Practice series
A fully updated version of the popular Introduction to Tribology, the second edition of this leading tribology text introduces the major developments in the understanding and interpretation of friction, wear and lubrication. Considerations of friction and wear have been fully revised to include recent analysis and data work, and friction mechanisms have been reappraised in light of current developments.
In this edition, the breakthroughs in tribology at the nano- and micro- level as well as recent developments in nanotechnology and magnetic storage technologies are introduced. A new chapter on the emerging field of green tribology and biomimetics is included.
• Introduces the topic of tribology from a mechanical engineering, mechanics and materials science points of view
• Newly updated chapter covers both the underlying theory and the current applications of tribology to industry
• Updated write-up on nanotribology and nanotechnology and introduction of a new chapter on green tribology and biomimetics

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Grease Lubrication in Rolling Bearings
by Piet M. Lugt
Part of the Tribology in Practice series
The definitive book on the science of grease lubrication for roller and needle bearings in industrial and vehicle engineering.
Grease Lubrication in Rolling Bearings provides an overview of the existing knowledge on the various aspects of grease lubrication (including lubrication systems) and the state of the art models that exist today. The book reviews the physical and chemical aspects of grease lubrication, primarily directed towards lubrication of rolling bearings.
The first part of the book covers grease composition, properties and rheology, including thermal and dynamics properties. Later chapters cover the dynamics of greased bearings, including grease life, bearing life, reliability and testing. The final chapter covers lubrications systems – the systems that deliver grease to the components requiring lubrication.
Grease Lubrication in Rolling Bearings:
• Describes the underlying physical and chemical properties of grease.
• Discusses the effect of load, speed, temperature, bearing geometry, bearing materials and grease type on bearing wear.
• Covers both bearing and grease performance, including thermo-mechanical ageing and testing methodologies.
It is intended for researchers and engineers in the petro-chemical and bearing industry, industries related to this (e.g. wind turbine industry, automotive industry) and for application engineers. It will also be of interest for teaching in post-graduate courses.

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Applied Tribology
Bearing Design and Lubrication
by Michael M. Khonsari
Part of the Tribology in Practice series
Insightful working knowledge of friction, lubrication, and wear in machines
Applications of tribology are widespread in industries ranging from aerospace, marine and automotive to power, process, petrochemical and construction. With world-renowned expert co-authors from academia and industry, Applied Tribology: Lubrication and Bearing Design, 3rd Edition provides a balance of application and theory with numerous illustrative examples.
The book provides clear and up-to-date presentation of working principles of lubrication, friction and wear in vital mechanical components, such as bearings, seals and gears. The third edition has expanded coverage of friction and wear and contact mechanics with updated topics based on new developments in the field.
Key features:
• Includes practical applications, homework problems and state-of-the-art references.
• Provides presentation of design procedure.
• Supplies clear and up-to-date information based on the authors' widely referenced books and over 500 archival papers in this field.
Applied Tribology: Lubrication and Bearing Design, 3rd Edition provides a valuable and authoritative resource for mechanical engineering professionals working in a wide range of industries with machinery including turbines, compressors, motors, electrical appliances and electronic components. Senior and graduate students in mechanical engineering will also find it a useful text and reference.
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