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Author : R. J. Young
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.:/5 (16 download)
Download or read book Deformation Mechanisms in Crystalline Polymers written by R. J. Young and published by . This book was released on 1972 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Li Lin
Publisher :
ISBN 13 :
Total Pages : 462 pages
Book Rating : 4.:/5 (256 download)
Download or read book An Experimental Study of Deformation Mechanisms and Resistances of Semi-crystalline Polymers written by Li Lin and published by . This book was released on 1991 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Hunter
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (227 download)
Download or read book Crystalline Defects and Deformation Mechanisms in Semi-Crystalline Polymers written by A. Hunter and published by . This book was released on 1982 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: The microstructure and subsequent mechanisms of deformation in polyethylene spherulites is very dependent on the method of spherulitic film preparation. Slowly cooled spherulites have been previously investigated in detail by transmission electron microscopy and diffraction, whereas the present work has been primarily concerned with the reproducible preparation of rapidly cooled high density polyethylene films which exihibit a banded spherulite morphology. Techniques for the preparation of deformed thin polyethylene films and their subsequent examination by scanning transmission electron microscopy and diffraction have been developed. Fine differences in the spherulite morphology have been identified, as have the differences between the operative deformation mechanisms in rapidly and slowly cooled spherulitic films. (Author).
Author : A. S. Argon
Publisher : Cambridge University Press
ISBN 13 : 0521821843
Total Pages : 535 pages
Book Rating : 4.5/5 (218 download)
Download or read book The Physics of Deformation and Fracture of Polymers written by A. S. Argon and published by Cambridge University Press. This book was released on 2013-03-07 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: A physical, mechanism-based presentation of the plasticity and fracture of polymers, covering industrial scale applications through to nanoscale biofluidic devices.
Author : Thomas Harry Gilman
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (719 download)
Download or read book Deformation Mechanisms in an Oriented Semicrystalline Polymer written by Thomas Harry Gilman and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Kausch
Publisher : Springer Science & Business Media
ISBN 13 : 1475712634
Total Pages : 648 pages
Book Rating : 4.4/5 (757 download)
Download or read book Deformation and Fracture of High Polymers written by H. Kausch and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anton Peterlin
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Mechanisms of Plastic Deformation of Crystalline Polymer Solids written by Anton Peterlin and published by . This book was released on 1975 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. S. Argon
Publisher : Cambridge University Press
ISBN 13 : 1139619128
Total Pages : 535 pages
Book Rating : 4.1/5 (396 download)
Download or read book The Physics of Deformation and Fracture of Polymers written by A. S. Argon and published by Cambridge University Press. This book was released on 2013-03-07 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: Demonstrating through examples, this book presents a mechanism-based perspective on the broad range of deformation and fracture response of solid polymers. It draws on the results of probing experiments and considers the similar mechanical responses of amorphous metals and inorganic compounds to develop advanced methodology for generating more precise forms of modelling. This, in turn, provides a better fundamental understanding of deformation and fracture phenomena in solid polymers. Such mechanism-based constitutive response forms have far-reaching application potential in the prediction of structural responses and in tailoring special microstructures for tough behaviour. Moreover, they can guide the development of computational codes for deformation processing of polymers at any level. Applications are wide-ranging, from large strain industrial deformation texturing to production of precision micro-fluidic devices, making this book of interest to both advanced graduate students and to practising professionals.
Author :
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (227 download)
Download or read book The Mechanisms of Plastic Deformation of Polymers and Their Rate Dependence written by and published by . This book was released on 1973 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: A research program directed toward gaining an understanding of the molecular mechanisms of large strain deformation in glassy and crystalline polymers has been carried out. The investigation encompassed two types of experimental procedures: deformation experiments on bulk polymers to determine the thermal activation parameters of the rate limiting step of the deformation process, and microscopic examination of deformed samples to determine what types of molecular motions had taken place. Macroscopic deformation experiments were performed of polycarbonate and polyethylene. Activation enthalpies, shear activation volumes, and dilatation activation volumes were determined for each polymer. Microscopic studies were performed on extended chain crystalline polyethylene which had a spherulitic structure. Deformation was found to occur on discrete shear bands. The spherulitic structure did not seem to strongly affect the deformation. Microscopic examination revealed that deformation could take place by intralamellar slip in any direction on any plane parallel to the direction of the molecules, by interlamellar shear, and by formation of kinks. The behavior of shear bands in polycarbonate is also discussed, and a technique for producing metallic replicas of polymer surfaces is described.
Author : Goerg H. Michler
Publisher : Springer Science & Business Media
ISBN 13 : 3540363521
Total Pages : 472 pages
Book Rating : 4.5/5 (43 download)
Download or read book Electron Microscopy of Polymers written by Goerg H. Michler and published by Springer Science & Business Media. This book was released on 2008-07-05 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of polymers by electron microscopy (EM) needs special techniques, precautions and preparation methods, including ultramicrotomy. General characteristics of the different techniques of EM, including scanning force microscopy, are given in this hands-on book. The application of these techniques to the study of morphology and properties, particularly micromechanical properties, is described in detail. Examples from all classes of polymers are presented.
Author : D. Hull
Publisher : Cambridge University Press
ISBN 13 : 1107393183
Total Pages : 334 pages
Book Rating : 4.1/5 (73 download)
Download or read book An Introduction to Composite Materials written by D. Hull and published by Cambridge University Press. This book was released on 1996-08-13 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edition has been greatly enlarged and updated to provide both scientists and engineers with a clear and comprehensive understanding of composite materials. In describing both theoretical and practical aspects of their production, properties and usage, the book crosses the borders of many disciplines. Topics covered include: fibres, matrices, laminates and interfaces; elastic deformation, stress and strain, strength, fatigue crack propagation and creep resistance; toughness and thermal properties; fatigue and deterioration under environmental conditions; fabrication and applications. Coverage has been increased to include polymeric, metallic and ceramic matrices and reinforcement in the form of long fibres, short fibres and particles. Designed primarily as a teaching text for final-year undergraduates in materials science and engineering, this book will also interest undergraduates and postgraduates in chemistry, physics, and mechanical engineering. In addition, it will be an excellent source book for academic and technological researchers on materials.
Author : George Z. Voyiadjis
Publisher : Springer
ISBN 13 : 9781461455905
Total Pages : 1579 pages
Book Rating : 4.4/5 (559 download)
Download or read book Handbook of Damage Mechanics written by George Z. Voyiadjis and published by Springer. This book was released on 2014-10-14 with total page 1579 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative reference provides comprehensive coverage of the topics of damage and healing mechanics. Computational modeling of constitutive equations is provided as well as solved examples in engineering applications. A wide range of materials that engineers may encounter are covered, including metals, composites, ceramics, polymers, biomaterials, and nanomaterials. The internationally recognized team of contributors employ a consistent and systematic approach, offering readers a user-friendly reference that is ideal for frequent consultation. Handbook of Damage Mechanics: Nano to Macro Scale for Materials and Structures is ideal for graduate students and faculty, researchers, and professionals in the fields of Mechanical Engineering, Civil Engineering, Aerospace Engineering, Materials Science, and Engineering Mechanics.
Author : Gert R. Strobl
Publisher : Springer Science & Business Media
ISBN 13 : 3662032430
Total Pages : 444 pages
Book Rating : 4.6/5 (62 download)
Download or read book The Physics of Polymers written by Gert R. Strobl and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer physics is one of the key courses not only in polymer science but also in material science. In his textbook Strobl presents the elements of polymer physics to the necessary extent in a very didactical way. His main focus is on the concepts and major phenomena of polymer physics, not just on mere physical methods. He has written the book in a personal style evaluating the concepts he is dealing with. Every student in polymer and materials science will be happy to have it on his shelf.
Author : G. H. Michler
Publisher : CRC Press
ISBN 13 : 1420027131
Total Pages : 782 pages
Book Rating : 4.4/5 (2 download)
Download or read book Mechanical Properties of Polymers based on Nanostructure and Morphology written by G. H. Michler and published by CRC Press. This book was released on 2016-04-19 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: The improvement of strength and durability in polymers has implications relevant to industrial, medical, and household applications. Enhanced by the improved knowledge of the interactions between complex hierarchical structures and functional requirements, Mechanical Properties of Polymers Based on Nanostructure and Morphology focuses on new polyme
Author : Kohji Tashiro
Publisher : Springer Nature
ISBN 13 : 9819952611
Total Pages : 724 pages
Book Rating : 4.8/5 (199 download)
Download or read book Structural Science of Crystalline Polymers written by Kohji Tashiro and published by Springer Nature. This book was released on with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stéphanie Djukic
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (115 download)
Download or read book Damage Mechanisms Under Tensile Stress of Amorphous and Low Semi-crystalline Polymers written by Stéphanie Djukic and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last few years, a new class of polyamides has been developed for specific applications requiring better mechanical and thermal properties, such as electronics or automotive industry. Polyphthalamides (PPA) are semi-aromatic polyamides containing aromatic rings in their main chain. Recently, the damage mechanisms have been studied in the case of semi-crystalline (PA66) and amorphous (cellulose acetate) polymers. The aim of the PhD thesis was to study the damage mechanisms of amorphous and semi-crystalline polymers. In addition, few studies have been conducted to characterize the properties of pure PPA. More detailed data regarding their mechanical properties are needed. The study of the properties of this class of polymers is important, especially since their applications are different from aliphatic polyamides. We first characterized these polymers and then studied their mechanical behavior in traction, compression and Charpy impact strength. We have thus been able to highlight the appearance of a necking phenomenon and a strain hardening regime from 20% deformation for three PPA studied. Strain hardening has also been observed in other amorphous ductile polymers such as polycarbonate (PC) or poly(methyl methacrylate) (PMMA). The strain hardening stabilizes the deformation by avoiding the localization of the damage. In order to describe the microscopic mechanisms associated with the initiation and propagation of damage under tensile deformation of our polymers, we have carried out observations by scanning transmission electron microscopy (STEM) and optical microscopy as well as by Ultra-small angle X-ray scattering (USAXS). The analysis of these different polymers (amorphous and semi-crystalline PPA, PC, PMMA) by USAXS highlights different modes of damage. The simultaneous nucleation of nanometric crazes around the pre-existing defects (defects related to the injection process), then the limited growth of these crazes are observed for the amorphous PPA, the PC and the PMMA studied, in a mechanism similar to that studied in the case of cellulose acetate. The damage is blocked in the first place by the strain hardening. However, in the case of polycarbonate and PMMA, when the stress applied becomes sufficiently high, a small fraction of these crazes grows faster to cause the rupture of the sample, which allows to observe the evolution of a second family of larger crazes. We also observe the growth of a second family of crazes for one of the amorphous PPA, but their growth stops at the appearance of necking. No failure of the sample is observed. The second amorphous PPA is damaged by cavitation up to about 5% deformation. The cavities stop to grow at the appearance of shear bands. When the shear bands propagated on either side of the sample, the failure is observed. The two semi-crystalline PPA deform by necking without failure. No cavitation was observed by USAXS. The damage of the polymers studied can be classified into three categories. The first category concerns polymers that behave similarly to cellulose acetate. Crazing nucleation is observed, which growth is initially blocked by strain hardening. When the stress applied becomes sufficiently high, a fraction of these crazes increases more rapidly until the sample is broken, which makes it possible to observe the evolution of a second family of larger crazes. This category concerns polycarbonate and PMMA. The second category concerns one of the amorphous PPA with crazes whose growth is initially blocked also by strain hardening. The growth of a second family of crazes stops at the appearance of necking, and no failure of the specimen is observed. The last category concerns polymers that do not show any damage. These are the two semi-crystalline PPA. We propose in this thesis an interpretation of these different mechanisms of damage.
Author : Ian M. Ward
Publisher : Springer Science & Business Media
ISBN 13 : 9400934270
Total Pages : 284 pages
Book Rating : 4.4/5 (9 download)
Download or read book Developments in Oriented Polymers—2 written by Ian M. Ward and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last four years since the publication of the first of this series have seen further striking developments in both the science and technology of oriented polymers. In particular, polymers possessing very high degrees of molecular orientation are now quite commonplace, and this is reflected by the inclusion of five chapters dealing with ultra-high modulus polyethylene fibres, oriented liquid crystalline polymers (both lyotropics and thermo tropics) and polydiacetylene single crystal fibres. At the same time there is continuing interest in the structure and properties of less highly oriented polymers and in the mechanisms of deformation in polymers. It is therefore good to have these themes represented also. I should like to thank the contributors for adhering to a rather tight time schedule, and the publishers for their cooperation, so that this book can provide up-to-date reviews of the state of the art in a rapidly moving area of polymer science. I. M. WARD v CONTENTS Preface.... . . . .. . . . . .. ... . . . . . . . . . .. . . .. . . . . . . ... ... v List of Contributors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX 1. Polymer Single Crystal Fibres ........................ .
