Author: Ian M. Hutchings
Publisher: John Wiley & Sons
Release Date: 2003-02-21
Genre: Technology & Engineering
Tribology has been central to the development of this field of engineering and Friction, Lubrication, and Wear of Artificial Joints brings together the work of the foremost authorities. Recent key work, particularly on hip and knee replacement prostheses form the major part of this book. Artificial joint technology, clinical practice, and the monitoring of on-going wear in use have progressed by leaps and bounds in the last few years. Medical research engineers, tribology specialists, and materials technologists each play an important role in ensuring that this marriage of engineering and medicine delivers the best possible outcome for the patients who receive the implants. Contents of this book include: Biotribology - A personal view The influence of component geometry on the measurement of wear A tribological study of metal-on-metal total replacement hip joints The lubrication and friction of conventional UHMWPE, novel compliant layer and hard bearing surfaces for use in total hip prostheses Prediction of lubricating film thickness in UHMWPE hip joint replacements Wear of ceramic-on-ceramic hip prostheses under micro-separation simulation conditions Friction and wear testing of DLC type coatings on total hip replacement prostheses Simulator testing of total knee replacement A new measurement method for wear scars generated with knee simulators
This first edition of Testing Tribocorrosion of Passivating Materials Supporting Research and Industrial Innovation: A Handbook treats in a clear, concise, and practical manner an important material degradation and protection matter. It is designed as a handbook and provides a well structured approach of the basics needed to investigate the tribocorrosion behavior of passivating materials, and to conduct in a correct way a laboratory investigation on it. It provides answers on practical and theoretical approaches of tribocorrosion phenomena to engineers and medical persons involved with material assemblies subjected to aggressive environmental and mechanical conditions. For academic researchers it is a pertinent tool assisting them in how they can perform a tribocorrosion investigation and obtain results that are correctly interpreted and can be exchanged. Different parts of the book are illustrated with practical examples. This handbook is truly an indispensable guide for every professional who comes into contact with the complex material degradation and protection processes that take place under combined corrosion and wear conditions. Fields of interest include: transportation (aeronautics, maritime, rail, automotive), medical implants (orthopaedics, dentistry), biochemistry, food production, energy production, and machining. The coordination of this handbook writing was done by Professor Jean-Pierre Celis (Katholieke Universiteit Leuven, Belgium) and Professor Pierre Ponthiaux (Ecole Centrale Paris, France) assisted by twelve European experts who contributed jointly to the nine chapters of this handbook. Main topics dealt with are tribocorrosion phenomena in medical and industrial sectors, depassivation and repassivation phenomena, impact on synergism in tribocorrosion, specific testing techniques, coupling tribology-to-corrosion, design of a testing protocol, and normalisation.
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: George E. Totten
Publisher: CRC Press
Release Date: 2006-04-06
Genre: Technology & Engineering
When it was first published some two decades ago, the original Handbook of Lubrication and Tribology stood on technology's cutting-edge as the first comprehensive reference to assist the emerging science of tribology lubrication. Later, followed by Volume II, Theory and Design and Volume III, Monitoring, Materials, Synthetic Lubricants, and Applications, it has continued to serve as the cornerstone of every tribology and lubrication science library, providing engineers, researchers, and technicians with the information they need to do their work and pioneer the advancements that have dramatically reshaped this field. Now due to those advances, the time has come to retool tribology's master text. In addition to offering tribologists the facts, figures, and equations they need everyday, Volume I Application and Maintenance, Second Edition positions itself at the forefront of the field to address the latest technology related to application and maintenance procedures, as well as changes in our understanding of how lubrication principles impact implementation. Completely reorganized to aid the reader in identifying chapters and topics of interest, every one of the chapters retained from the first edition has either been fully updated and revised, or completely rewritten by a peer-recognized team of experts who are currently active in a wide variety of industry segments. With the addition of several new subject areas, it now boasts a total of 37 chapters.
These papers represent the proceedings from the 29th Leeds-Lyon Symposium on Tribology, 'Tribological Research and Design for Engineering Systems' which was held in September 2002. Over 130 delegates from 18 countries attended the symposium, and the extensive discussions generated over 150 written questions and responses, which are documented at the end of this proceedings volume. There have been many advances in the field of tribology in recent years, with progress being made in the engineering and interaction of surfaces; micro and nano-tribology; elastohydrodynamics; surface films; surface texture; tribochemistry; wear and life prediction; with both experimental and theoretical contributions. These advances were reviewed, and the impact of this understanding on the fundamentals upon total engineering activity in design, manufacture and machine operation were considered. Readership: Scientists and researchers in the field of tribology.
This second edition of Joint Replacement Technology provides a thoroughly updated review of recent developments in joint replacement technology. Joint replacement is a standard treatment for joint degradation and has improved the quality of life of millions of patients. Collaboration between clinicians and researchers is critical to its continued success and to meet the rising expectations of patients and surgeons. Part one introduces the advances in joint replacement technology, tribological considerations and experiments, and immune and regenerative responses to joint replacements. Part two covers the materials and techniques used in joint replacement. The advantages and disadvantages of different metals are explained here, as well as the use of ceramics. This section also addresses challenges in joint bearing surfaces, design, and cementless fixation techniques. Biological and mechanical issues are considered in part three, including healing responses to implants and biological causes of prosthetic joint failure, and a new chapter on imaging of joint prostheses. Each chapter in part four describes the clinical challenges of replacing specific joints, with specific focus on hip, knee, intervertebral disc joint, shoulder arthroplasty, elbow arthroplasty, and pyrocarbon small joint arthroplasty. Thanks to its widespread collaboration and international contributors, Joint Replacement Technology is useful for materials scientists and engineers in both academia and biomedical industry. Chemists, clinicians, and other researchers in this area will also find it invaluable. This second edition provides an updated comprehensive review of recent developments in joint replacement technology Provides coverage for the most pertinent materials science and engineering issues in depth Reviews the specific joints, biological and mechanical issues and fixation techniques
Author: Ahmad Ahgary
Release Date: 2002-11-03
Inhaltsangabe:Einleitung: Verschleiß ist eine der wichtigsten Hauptursachen von Material- und Bauteilbeschädigungen. Dieser Vorgang ist selbst eine Wirkung der Reibungsprozesse. Das griechische Verb tribein bedeutet Reiben, wovon Tribologie - die Lehre von Reibung, Verschleiß und Schmierung - als einen relativ jungen Wissenschaftszweig stammt. Die Ziele aller tribologischen Untersuchungen werden letztendlich in folgenden Vorhaben zusammengefaßt: Zusammensetzung aller beteiligten physikalischen und chemischen Parameter und Einflußfaktoren in einem tribologischen System und Festlegung sowie Klassifizierung ihrer Zusammenhänge möglichst in einer bestimmten allgemeingültigen Theorie. Vorhersage des tribologischen Verhaltens des Systems mit Hilfe der Ergebnisse dieser Theorie. Schlußfolgerungen in Form von Lösungsansätzen und Verbesserungsvorschlägen zur Verminderung der negativen Folgen der Reibungsvorgänge wie Verschleiß. Die künstlichen Hüftgelenke sind ebenfalls von den schädlichen Wirkungen des Verschleißes nicht ausgenommen, im Gegensatz stellt der Verschleiß eine grundsätzliche Ursache für die Versagensfälle solcher Implantate, wie Osteolyse und Prothesenlockerung, dar. Im letzten Jahrzehnt wurde sehr erfolgreich an der Weiterentwicklung in Endoprothetik gearbeitet. Die Literatur in diesem Fachgebiet wächst mit zahlreichen Berichten weltweit verschiedener Forschungszentren rasch an. Eine der wesentlichsten Elementen der Forschungsvorhaben aller Akteuren besteht in den Anstrengungen, die Verschleißuntersuchungen am künstlichen Hüftgelenk ständig realitätsnäher zu gestalten. Diese Prüfungen können in mehreren Schritten durchgeführt werden: Einsatz von bekannten tribologischen Prüfverfahren (Pin-on-Disc, Block-on-Journal, Pin-on-Ring, usw.) sollte insofern vorgenommen werden, als die anfängliche Informationen über Verschleißverhalten der Prüflinge gegeben sind. Nach dieser Vorstufe kann man kompliziertere, präzisere und realistischere Simulator-Untersuchungen durchführen. Bei einem erfolgsversprechenden Ergebnis in vitro kann erst mit klinischen Einsätze in vivo gestartet werden. Es ist leicht zu merken, daß bei zahlreichen Veröffentlichungen keine Übereinstimmung der Ergebnisse aus klinischen Untersuchungen mit denen aus dem Labor vorhanden ist. Der Grund liegt darin, daß die wirklichen Bewegungsabläufe und Belastungsfälle im menschlichen Hüftgelenk außerordentlich kompliziert sind und bisher von keinem Hüftgelenksimulator genau [...]
Author: George E. Totten
Publisher: CRC Press
Release Date: 2004-04-22
Genre: Technology & Engineering
Studying the morphology, defects, and wear behavior of a variety of material surfaces, Mechanical Tribology examines popular and emerging surface characterization techniques for assessment of the physical, mechanical, and chemical properties of various modified surfaces, thin films, and coatings. Its chapters explore a wide range of tribological applications while promoting reduced component deterioration and improved efficiency and reliability of mechanical systems. The book includes extensive coverage of critical technologies that are usually absent in other references on the subject, delving into procedures affecting metal cutting and forming, physicochemical issues involved in the design of fiber finishes, and recent progress in biotribological research. It provides strategies to characterize the friction and wear properties of tribological systems and procedures to assess the quality and lifetime of ceramic materials. It also outlines methods to avoid scuffing and seizure in machine operations and novel techniques to prevent oil from spreading and creeping in lubricating applications. Mechanical Tribology is a practical guide for mechanical, industrial, chemical, process, design, and process engineers, materials scientists, and tribologists in the selection of materials, surface treatments, coatings, and environments best suited for a particular industrial application.
Author: Peter J. Blau
Publisher: CRC Press
Release Date: 2008-10-20
Genre: Technology & Engineering
"Should have broad appeal in many kinds of industry, ranging from automotive to computers—basically any organization concerned with products having moving parts!" —David A. Rigney, Materials Science and Engineering Department, Ohio State University, Columbus, USA In-Depth Coverage of Frictional Concepts Friction affects so many aspects of daily life that most take it for granted. Arguably, mankind’s attempt to control friction dates back to the invention of the wheel. Friction Science and Technology: From Concepts to Applications, Second Edition presents a broad, multidisciplinary overview of the constantly moving field of friction, spanning the history of friction studies to the evolution of measurement instruments. It reviews the gamut of friction test methods, ranging from simple inclined plans to sophisticated laboratory tribometers. The book starts with introductory concepts about friction and progressively delves into the more subtle fundamentals of surface contact, use of various lubricants, and specific applications such as brakes, piston rings, and machine components. Includes American Society of Testing and Management (ASTM) Standards This volume covers multiple facets of friction, with numerous interesting and unusual examples of friction-related technologies not found in other tribology books. These include: Friction in winter sports Friction of touch and human skin Friction of footware and biomaterials Friction drilling of metals Friction of tires and road surfaces Describing the tools of the trade for friction research, this edition enables engineers to purchase or build their own devices. It also discusses frictional behavior of a wide range of materials, coatings, and surface treatments, both traditional and advanced, such as thermally oxidized titanium alloys, nanocomposites, ultra-low friction films, laser-dimpled ceramics, and carbon composites. Even after centuries of study, friction continues to conceal its subtle origins, especially in practical engineering situations in which surfaces are exposed to complex and changing environments. Authored by a field specialist with more than 30 years of experience, this one-stop resource discusses all aspects of friction, from its humble beginnings to its broad application for modern engineers.
Author: Jonathan Black
Publisher: Springer Science & Business Media
Release Date: 2013-11-27
Progress in the development of surgical implant materials has been hindered by the lack of basic information on the nature of the tissues, organs and systems being repaired or replaced. Materials' properties of living systems, whose study has been conducted largely under the rubric of tissue mechanics, has tended to be more descriptive than quantitative. In the early days of the modern surgical implant era, this deficiency was not critical. However, as implants continue to improve and both longer service life and higher reliability are sought, the inability to predict the behavior of implanted manufactured materials has revealed the relative lack of knowledge of the materials properties of the supporting or host system, either in health or disease. Such a situation is unacceptable in more conventional engineering practice: the success of new designs for aeronautical and marine applications depends exquisitely upon a detailed, disciplined and quantitative knowledge of service environments, including the properties of materials which will be encountered and interacted with. Thus the knowledge of the myriad physical properties of ocean ice makes possible the design and development of icebreakers without the need for trial and error. In contrast, the development period for a new surgical implant, incorporating new materials, may well exceed a decade and even then only short term performance predictions can be made.
Author: Jonathan P. Garino
Publisher: Elsevier Health Sciences
Release Date: 2007
This volume in the Core Knowledge in Orthopaedics Series equips you with the key concepts and clinical skills needed to excel in the subspecialty of adult reconstruction and arthroplasty. Inside you'll find concise, clinically focused coverage of the surgical techniques you need to know to obtain optimal patient management outcomes, along with relevant anatomy, biomechanics, limb salvage techniques, imaging, arthroscopy, and more. It's a perfect resource for training...board certification or recertification review...or everyday clinical reference! Apply the guidance in a logical fashion with coverage that progresses from describing commonly seen clinical problems to reviewing less frequently encountered conditions. Follow the most appropriate surgical management approaches. Assimilate the information easily through bulleted text, crisp artwork, clinical charts, tables, algorithms, and annotated key references.
Hydrostatic lubrication is characterized by the complete separation of the conjugated surfaces of a kinematic pair, by means of a film of fluid, which is pressurized by an external piece of equipment. Its distinguishing features are lack of wear, low friction, high load capacity, a high degree of stiffness and the ability to damp vibrations. This book reviews the study of externally pressurized lubrication, both from the theoretical and the technical point of view, thereby serving the needs of both researchers as well as students and technical designers. In this connection, design suggestions for the most common types of hydrostatic bearings have been included, as well as a number of examples. A comprehensive bibliography is included with each chapter providing up to date references for more in depth coverage.