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Characterization And Properties Of Ultra High Molecular Weight Polyethylene
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Book Synopsis Characterization and Properties of Ultra-high Molecular Weight Polyethylene by : Ray A. Gsell
Download or read book Characterization and Properties of Ultra-high Molecular Weight Polyethylene written by Ray A. Gsell and published by ASTM International. This book was released on 1998 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a November 1996 symposium held in New Orleans, Louisiana, providing a forum for presentations and discussions of issues critical to the understanding of ultra-high molecular weight polyethylene (UHMWPE) as used in medical and surgical devices. Eleven papers are grouped in three sectio
Book Synopsis UHMWPE Biomaterials Handbook by : Steven M. Kurtz
Download or read book UHMWPE Biomaterials Handbook written by Steven M. Kurtz and published by Academic Press. This book was released on 2009-04-27 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: UHMWPE Biomaterials Handbook describes the science, development, properties and application of of ultra-high molecular weight polyethylene (UHMWPE) used in artificial joints. This material is currently used in 1.4 million patients around the world every year for use in the hip, knee, upper extremities, and spine. Since the publication of the 1st edition there have been major advances in the development and clinical adoption of highly crosslinked UHMWPE for hip and knee replacement. There has also been a major international effort to introduce Vitamin E stabilized UHMWPE for patients. The accumulated knowledge on these two classes of materials are a key feature of the 2nd edition, along with an additional 19 additional chapters providing coverage of the key engineering aspects (biomechanical and materials science) and clinical/biological performance of UHMWPE, providing a more complete reference for industrial and academic materials specialists, and for surgeons and clinicians who require an understanding of the biomaterials properties of UHMWPE to work successfully on patient applications. The UHMWPE Handbook is the comprehensive reference for professionals, researchers, and clinicians working with biomaterials technologies for joint replacement New to this edition: 19 new chapters keep readers up to date with this fast moving topic, including a new section on UHMWPE biomaterials; highly crosslinked UHMWPE for hip and knee replacement; Vitamin E stabilized UHMWPE for patients; clinical performance, tribology an biologic interaction of UHMWPE State-of-the-art coverage of UHMWPE technology, orthopedic applications, biomaterial characterisation and engineering aspects from recognised leaders in the field
Book Synopsis Study of Mechanical Properties and Characterization of Ultra High Molecular Weight Polyethylene Processed by Hot Press in Vacuum by : Ravishankar S. Bhandari
Download or read book Study of Mechanical Properties and Characterization of Ultra High Molecular Weight Polyethylene Processed by Hot Press in Vacuum written by Ravishankar S. Bhandari and published by . This book was released on 1994 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Mechanical Properties of Vitamin E Addition to Ultra High Molecular Weight Polyethylene Using Equal Channel Angular Extrusion by : Alexander J. Engler
Download or read book Characterization of Mechanical Properties of Vitamin E Addition to Ultra High Molecular Weight Polyethylene Using Equal Channel Angular Extrusion written by Alexander J. Engler and published by . This book was released on 2012 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The UHMWPE Handbook by : Steven M. Kurtz
Download or read book The UHMWPE Handbook written by Steven M. Kurtz and published by Elsevier. This book was released on 2004-06-26 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, the orthopedic industry developed new processing techniques (radiation crosslinking), which are expected to dramatically reduce wear and improve the longevity of hip implants beyond 10 years. This book describes the history and properties of ultra-high molecular weight polyethylene (UHMWPE) used in artificial joints by describing its properties and reviewing the latest clinical results. * The most up-to-date information on the properties of UHMWPE * Endorsed by Ticona - the world's leading manufacturer of UHMWPE for medical use * An enormous 'installed base' of over 1.4 million procedures each year * UHMWPE has been used by orthopedists for over 40 years, yet its properties and performance in situ are still not well understood
Book Synopsis Characterization of Ultra High Molecular Weight Polyethylene (Uhmwpe) Modified By Metal-Gas Hybrid Ion Implantation Technique by : Şadiye Emel Urkaç Sokullu
Download or read book Characterization of Ultra High Molecular Weight Polyethylene (Uhmwpe) Modified By Metal-Gas Hybrid Ion Implantation Technique written by Şadiye Emel Urkaç Sokullu and published by . This book was released on 2006 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this work was the characterization of the surface modified Ultra High Molecular Weight Polyethylene (UHMWPE) in order to understand the effect of ion implantation technique on the properties of this material. The samples were Ag and Ag+N hybrid ion implanted by using MEVVA (Metal Vapour Vacuum Arc) ion implantation technique with a fluence of 10 17 ions/cm2, extraction voltage of 30 kV.Untreated and surface treated samples were investigated by Stopping andRange of Ions into Matters (SRIM), Rutherford Back Scattered Analysis (RBS), Attenuated Total Reflection - Fourier Transform Infrared (ATR/FT-IR) Spectroscopy, Raman Spectroscopy, Optical Absorption Photospectroscopy (OAP), Thermo Gravimetry Analysis (TGA), Differential Scanning Calorimetry (DSC), X-Ray Diffraction (XRD) Analysis, Atomic Force Microscopy (AFM), Scanning Electron Microscopy (SEM), Optical Microscopy (OM), Micro-hardness and Contact Angle Measurement. The results of RBS analysis show that Ag ions were detected up to 32 +15 nm after Ag implantation, and 42 +15 nm after Ag+N implantation., underneath the surface. ATR- FTIR chemical characterization analyses results indicated that the effect of implantation on UHMWPE surfaces caused dehydrogenation of polymer with an increase of C=C bond formation which results in enriching the crosslinking carbon atoms on the surface. Optical Absorption Photospectroscopy and Raman spectrum suggests that the chemical structure of UHMWPE has changed after implantation. The characterization results showed that the ion bombardment induced an increase in the % crystallinity, onset and termination degradation temperatures of UHMWPE obtained by thermal analyses, an increase in hardness, and surface wettability and a decrease in roughness of the polymer. The surface topography results can be attributed to the implantation inducing surface roughness decreasing due to the better wettability properties of surfaces obtained after implantation. In conclusion, this study has shown that ion implantation represents a powerful tool on modifying key properties on UHMWPE surfaces.
Book Synopsis XPS and IR Characterization of Ultra-High Molecular Weight Polyethylene by :
Download or read book XPS and IR Characterization of Ultra-High Molecular Weight Polyethylene written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymer-Based Additive Manufacturing by : Declan M. Devine
Download or read book Polymer-Based Additive Manufacturing written by Declan M. Devine and published by Springer Nature. This book was released on 2019-09-16 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to give readers a basic understanding of commonly used additive manufacturing techniques as well as the tools to fully utilise the strengths of additive manufacturing through the modelling and design phase all the way through to post processing. Guidelines for 3D-printed biomedical implants are also provided. Current biomedical applications of 3D printing are discussed, including indirect applications in the rapid manufacture of prototype tooling and direct applications in the orthopaedics, cardiovascular, drug delivery, ear-nose-throat, and tissue engineering fields. Polymer-Based Additive Manufacturing: Biomedical Applications is an ideal resource for students, researchers, and those working in industry seeking to better understand the medical applications of additive manufacturing.
Book Synopsis Characterization of Medical Grade Ultra-high Molecular Weight Polyethylene by : Cynthia Ann Gosselin
Download or read book Characterization of Medical Grade Ultra-high Molecular Weight Polyethylene written by Cynthia Ann Gosselin and published by . This book was released on 1979 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Ultra High Molecular Weight Polyethylene by Diffferential Scanning Calorimetry by :
Download or read book Characterization of Ultra High Molecular Weight Polyethylene by Diffferential Scanning Calorimetry written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Processing-Structure-Property Relationships in Ultra High Molecular Weight Polyethylene Fibers by : Christopher K. Henry
Download or read book Processing-Structure-Property Relationships in Ultra High Molecular Weight Polyethylene Fibers written by Christopher K. Henry and published by . This book was released on 2021 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lightweight and robust materials are of interest for many applications. Ultra-high molecular weight polyethylene (UHMWPE) fibers are currently capable of tensile properties comparable to common industrial materials while also providing a low density. A few manufacturers have begun to utilize these materials in various applications, yet fundamental questions regarding the development and cause of the remarkable properties remain unanswered. In this study, the processing and structure of UHMWPE fibers from all stages of fabrication were analyzed to establish relationships with mechanical performance. The goal of this study was to determine which parameters were most critical in the development of the tensile response of the fiber, and then, if possible, how the processing could be altered to generate improved properties. A gel-spinning apparatus was developed to investigate the fiber spinning process. It was found that the strain rate during the spinning process, normalized by the relaxation time and represented via the Weissenberg number (Wi), correlates to the crystalline structure of the fiber, and that velocity ratio (the common method of characterization in these processes) is insufficient in classifying the structure of the spun fiber. A modified extensional rheometer was used to investigate the post drawing of the characterized fibers. Both draw temperature, draw velocity, and starting crystalline structure were studied. Draw velocity and temperature were found to control the sizes observed in the drawn structures. The initial morphology, when drawn at identical velocity and temperature, provides relatively constant structural sizes, but causes changes in the proportions of the structural features and the percent crystallinity. With this data set, we conclude that the crystalline structure is unrelated to mechanical performance. However the intermediate Wi fiber exhibits increased tensile strength and stiffness compared to the other spun fibers. This improved performance is attributed to differences in the initial crystallinity, or distribution of the different crystalline morphologies, of the samples. Differences in starting crystallinity are thought to alter the necessary amount of drawing required to reach the same mechanical response. While draw temperature and velocity do not directly improve the ultimate tensile properties, they do play a role in maximizing the possible deformation. Failure during drawing is observed to occur at a constant stress ceiling, which is independent of all observed parameters. This critical stress indicates a failure defect size of 0.93 nm through Griffith's Theory analysis. When maximum draw ratio is observed as a function of initial fiber diameter it is found that thinner fibers result in higher ultimate draw ratios. Controlling initial diameter, and to a lesser extent temperature and velocity, adjusts the strain at which this critical stress is reached providing higher draw ratios and ultimately higher crystallinity. Crystallinity is further found to be the ultimate determining factor in tensile property behavior, as seen through Fusion theory.
Book Synopsis The Mechanical Properties of Ultra High Molecular Weight Polyethylene by : Richard Arthur Haslim
Download or read book The Mechanical Properties of Ultra High Molecular Weight Polyethylene written by Richard Arthur Haslim and published by . This book was released on 2000 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bone Repair Biomaterials by : Kendell Pawelec
Download or read book Bone Repair Biomaterials written by Kendell Pawelec and published by Woodhead Publishing. This book was released on 2018-11-29 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bone Repair Biomaterials: Regeneration and Clinical Applications, Second Edition, provides comprehensive reviews on materials science, engineering principles and recent advances. Sections review the fundamentals of bone repair and regeneration, discuss the science and properties of biomaterials used for bone repair, including metals, ceramics, polymers and composites, and discuss clinical applications and considerations, with chapters on such topics as orthopedic surgery, tissue engineering, implant retrieval, and ethics of bone repair biomaterials. This second edition includes more chapters on relevant biomaterials and a greatly expanded section on clinical applications, including bone repair applications in dental surgery, spinal surgery, and maxilo-facial and skull surgery. In addition, the book features coverage of long-term performance and failure of orthopedic devices. It will be an invaluable resource for researchers, scientists and clinicians concerned with the repair and restoration of bone. Provides a comprehensive review of the materials science, engineering principles and recent advances in this important area Presents new chapters on Surface coating of titanium, using bone repair materials in dental, spinal and maxilo-facial and skull surgery, and advanced manufacturing/3D printing Reviews the fundamentals of bone repair and regeneration, addressing social, economic and clinical challenges Examines the properties of biomaterials used for bone repair, with specific chapters assessing metals, ceramics, polymers and composites
Book Synopsis Properties and Characterization of Modern Materials by : Andreas Öchsner
Download or read book Properties and Characterization of Modern Materials written by Andreas Öchsner and published by Springer. This book was released on 2016-07-30 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on robust characterization and prediction methods for materials in technical applications as well as the materials’ safety features during operation. In particular, it presents methods for reliably predicting material properties, an aspect that is becoming increasingly important as engineering materials are pushed closer and closer to their limits to boost the performance of machines and structures. To increase their engineering value, components are now designed under the consideration of their multiphysical properties and functions, which requires much more intensive investigation and characterization of these materials. The materials covered in this monograph range from metal-based groups such as lightweight alloys, to advanced high-strength steels and modern titanium alloys. Furthermore, a wide range of polymers and composite materials (e.g. with micro- and nanoparticles or fibres) is covered. The book explores methods for property prediction from classical mechanical characterization-related fields of application, for example, from wear, creep, fatigue and crack growth, to specific surface properties, to dielectric and electrochemical values. As in all fields of modern engineering, the process is often accompanied by numerical simulation and optimization.
Book Synopsis Mechanical Properties and Testing of Polymers by : G.M. Swallowe
Download or read book Mechanical Properties and Testing of Polymers written by G.M. Swallowe and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume represents a continuation of the Polymer Science and Technology series edited by Dr. D. M. Brewis and Professor D. Briggs. The theme of the series is the production of a number of stand alone volumes on various areas of polymer science and technology. Each volume contains short articles by a variety of expert contributors outlining a particular topic and these articles are extensively cross referenced. References to related topics included in the volume are indicated by bold text in the articles, the bold text being the title of the relevant article. At the end of each article there is a list of bibliographic references where interested readers can obtain further detailed information on the subject of the article. This volume was produced at the invitation of Derek Brewis who asked me to edit a text which concentrated on the mechanical properties of polymers. There are already many excellent books on the mechanical properties of polymers, and a somewhat lesser number of volumes dealing with methods of carrying out mechanical tests on polymers. Some of these books are listed in Appendix 1. In this volume I have attempted to cover basic mechanical properties and test methods as well as the theory of polymer mechanical deformation and hope that the reader will find the approach useful.
Author :Ann-Christine Albertsson Publisher :Springer Science & Business Media ISBN 13 :9783540407690 Total Pages :336 pages Book Rating :4.4/5 (76 download)
Book Synopsis Long-Term Properties of Polyolefins by : Ann-Christine Albertsson
Download or read book Long-Term Properties of Polyolefins written by Ann-Christine Albertsson and published by Springer Science & Business Media. This book was released on 2004-04-22 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis UHMWPE Biomaterials for Joint Implants by : Jun Fu
Download or read book UHMWPE Biomaterials for Joint Implants written by Jun Fu and published by Springer. This book was released on 2019-05-23 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive, state-of-the-art review of the latest progresses in UHMWPE biomaterials, which has been critical for the performance and longevity of joint implants. Oriented by clinical challenges to UHMWPE-based joint implants, it introduces the processing, crosslinking, structural manipulation, oxidation mechanism, stabilization, drug delivery, and wear, as well as clinical performance, biomechanics, and simulated studies of joint implant based on UHMWPE with low wear, which are aimed to tackle or minimize the adverse effect related to wear and wear debris. These contributions provide fundamentals of chemistry and physics of UHMWPEs to help understand the clinical performances of UHMWPE based joint implants. Perspectives to next generation UHMWPE to meet the unmet challenges in clinical use are included.
