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The Effects Of Thermal Processing On The Mechanical Properties Of Glassy Polymers
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Book Synopsis The Effects of Thermal Processing on the Mechanical Properties of Glassy Polymers by : Lee Emrey Hornberger
Download or read book The Effects of Thermal Processing on the Mechanical Properties of Glassy Polymers written by Lee Emrey Hornberger and published by . This book was released on 1986 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physics of Glassy Polymers by : R. N. Haward
Download or read book The Physics of Glassy Polymers written by R. N. Haward and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 635 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work sets out to provide an up-to-date account of the physical properties and structure of polymers in the glassy state. Properties measured above the glass transition temperature are therefore included only in so far as is necessary for the treatment of the glass transition process. This approach to the subject therefore excludes any detailed account of rubber elasticity or melt rheology or of the structure and conformation of the long chain molecule in solution, although knowledge derived from this field is assumed where required. Major emphasis is placed on structural and mechanical properties, although a number of other physical properties are included. Naturally the different authors contributing to the book write mainly from their own particular points of view and where there are several widely accepted theoretical approaches to a subject, these are sometimes provided in different chapters which will necessarily overlap to a significant extent. For example, the main theoretical presentation on the subject of glass transition is given in Chapter 1. This is supplemented by accounts of the free volume theory in Chapter 3 and in the Introduction, and a short account of the work of Gibbs and DiMarzio, also in Chapter 3. Similarly, there is material on solvent cracking in Chapters 7 and 9, though the two workers approach the subject from opposite directions. Every effort has therefore been made to encourage cross-referencing between different chapters.
Book Synopsis The Effects of Thermal Processing on the Morphology and the Mechanical Properties of Polystyrene by : Michael Ben Lloyd
Download or read book The Effects of Thermal Processing on the Morphology and the Mechanical Properties of Polystyrene written by Michael Ben Lloyd and published by . This book was released on 1987 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structure and Properties of Glassy Polymers by : Martin R. Tant
Download or read book Structure and Properties of Glassy Polymers written by Martin R. Tant and published by . This book was released on 1998 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: In twenty-nine chapters by leading authorities, Structure and Properties of Glassy Polymers provides readers with comprehensive coverage of basic and applied research on glass polymers as well as a wealth of information on current topics such as molecular modeling, characterization, polymer glasses in confined spaces, and conducting glass polymers. The characterization techniques presented include temperature-modulated differential scanning calorimetry, dielectric loss spectroscopy, photochemical hole burning, positron annihilation lifetime spectroscopy, and transient current generation.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Long Term Thermal Exposure on Plastics and Elastomers by : Laurence W. McKeen
Download or read book The Effect of Long Term Thermal Exposure on Plastics and Elastomers written by Laurence W. McKeen and published by William Andrew. This book was released on 2021-04-25 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Effect of Long Term Thermal Exposure on Plastics and Elastomers, Second Edition brings together a wide range of essential data on the effect of long-term thermal exposure on plastics and elastomers, enabling engineers to make optimal material choices and design decisions. This second edition has been thoroughly revised to include the latest data and materials. This highly valuable handbook will support engineers, product designers, R&D professionals, and scientists who are working on plastics products or parts for high temperature environments across a range of industries. This readily available data will make it easy for practitioners to learn about plastic materials and their long- term thermal exposure without having to search the general literature or depend on suppliers. This book will also be of interest to researchers and advanced students in plastics engineering, polymer processing, coatings, and materials science and engineering. - Provides essential data and practical guidance for engineers and scientists working with plastics in high temperature environments - Includes introductory chapters on the effect of heat aging and testing methods, providing the underpinning knowledge required to utilize the data - Covers a wide range of commercial polymer classes that are updated to include the latest developments in plastics materials
Book Synopsis Viscoelastic Properties of Polymers by : John D. Ferry
Download or read book Viscoelastic Properties of Polymers written by John D. Ferry and published by John Wiley & Sons. This book was released on 1980-09-16 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: Viscoelastic behavior reflects the combined viscous and elastic responses, under mechanical stress, of materials which are intermediate between liquids and solids in character. Polymers the basic materials of the rubber and plastic industries and important to the textile, petroleum, automobile, paper, and pharmaceutical industries as well exhibit viscoelasticity to a pronounced degree. Their viscoelastic properties determine the mechanical performance of the final products of these industries, and also the success of processing methods at intermediate stages of production. Viscoelastic Properties of Polymers examines, in detail, the effects of the many variables on which the basic viscoelastic properties depend. These include temperature, pressure, and time; polymer chemical composition, molecular weight and weight distribution, branching and crystallinity; dilution with solvents or plasticizers; and mixture with other materials to form composite systems. With guidance by molecular theory, the dependence of viscoelastic properties on these variables can be simplified by introducing certain ancillary concepts such as the fractional free volume, the monomeric friction coefficient, and the spacing between entanglement loci, to provide a qualitative understanding and in many cases a quantitative prediction of how to achieve desired results. The phenomenological theory of viscoelasticity which permits interrelation of the results of different types of experiments is presented first, with many useful approximation procedures for calculations given. A wide variety of experimental methods is then described, with critical evaluation of their applicability to polymeric materials of different consistencies and in different regions of the time scale (or, for oscillating deformations, the frequency scale). A review of the present state of molecular theory follows, so that viscoelasticity can be related to the motions of flexible polymer molecules and their entanglements and network junctions. The dependence of viscoestic properties on temperature and pressure, and its descriptions using reduced variables, are discussed in detail. Several chapters are then devoted to the dependence of viscoelastic properties on chemical composition, molecular weight, presence of diluents, and other features, for several characteristic classes of polymer materials. Finally, a few examples are given to illustrate the many potential applications of these principles to practical problems in the processing and use of rubbers, plastics, and fibers, and in the control of vibration and noise. The third edition has been brought up to date to reflect the important developments, in a decade of exceptionally active research, which have led to a wider use of polymers, and a wider recognition of the importance and range of application of viscoelastic properties. Additional data have been incorporated, and the book s chapters on dilute solutions, theory of undiluted polymers, plateau and terminal zones, cross-linked polymers, and concentrated solutions have been extensively rewritten to take into account new theories and new experimental results. Technical managers and research workers in the wide range of industries in which polymers play an important role will find that the book provides basic information for practical applications, and graduate students in chemistry and engineering will find, in its illustrations with real data and real numbers, an accessible introduction to the principles of viscoelasticity.
Book Synopsis The Effect of Thermal History, Strain Rate, and Pressure on Mechanical Properties and Craze Morphology of Amorphous Polymers in Tension by : John Spencer Trent (Jr.)
Download or read book The Effect of Thermal History, Strain Rate, and Pressure on Mechanical Properties and Craze Morphology of Amorphous Polymers in Tension written by John Spencer Trent (Jr.) and published by . This book was released on 1979 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymers at Cryogenic Temperatures by : Susheel Kalia
Download or read book Polymers at Cryogenic Temperatures written by Susheel Kalia and published by Springer Science & Business Media. This book was released on 2013-03-26 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kalia and Fu's novel monograph covers cryogenic treatment, properties and applications of cryo-treated polymer materials. Written by numerous international experts, the twelve chapters in this book offer the reader a comprehensive picture of the latest findings and developments, as well as an outlook on the field. Cryogenic technology has seen remarkable progress in the past few years and especially cryogenic properties of polymers are attracting attention through new breakthroughs in space, superconducting, magnetic and electronic techniques. This book is a valuable resource for researchers, educators, engineers and graduate students in the field and at technical institutions.
Book Synopsis The Physics of Deformation and Fracture of Polymers by : A. S. Argon
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.
Book Synopsis The Effect of Radiation on Properties of Polymers by : Laurence W. McKeen
Download or read book The Effect of Radiation on Properties of Polymers written by Laurence W. McKeen and published by William Andrew. This book was released on 2020-08-20 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Effect of Radiation on Properties of Polymers examines the effects of radiation on plastics and elastomers. Polymers are required in products or parts for a range of cutting-edge applications that are exposed to radiation, in areas such as space, medicine, and radiation processing. This book focuses on the effects of radiation exposure within that environment, providing in-depth data coverage organized by category of polymer. Aspects such as radiation impact on mechanical and thermal properties, including glass transition and heat deflection temperatures, are described, demonstrating how changes in these properties affect the performance of plastic or elastomer parts. The effect of radiation on electrical properties is also included. Supporting introductory chapters explain the key concepts of radiation, including the physical, mechanical, and thermal properties of plastics and elastomers. This is a vital resource for plastics engineers, product designers, and R&D professionals, working on products or parts for radioactive environments, as well as engineers and scientists in the medical, nuclear, and radiation processing industries. The book also supports researchers and scientists in plastics engineering, polymer processing and properties, polymer and coatings chemistry, materials science, and radiation. - Brings together highly valuable data on the effect of radiation on the properties of polymers and elastomers - Enables the reader to compare properties and to select the best possible materials for specific applications - Supported by detailed explanations and analysis, ensuring that the reader understands how to interpret and utilize the data
Book Synopsis Surface Phenomena in the Structural and Mechanical Behaviour of Solid Polymers by : L. Volynskii
Download or read book Surface Phenomena in the Structural and Mechanical Behaviour of Solid Polymers written by L. Volynskii and published by CRC Press. This book was released on 2018-09-03 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface Phenomena in the Structural and Mechanical Behaviour of Solid Polymers explores the role of various surface phenomena in the structural and mechanical behaviour of amorphous and semicrystalline polymers. This book: Discusses the development of the interfacial surface in the deformation of polymers Examines the healing of interfacial surfaces in polymers Inspects the structure and properties of polymers in thin films and surface layers Evaluates the mechanism of inelastic deformation in glassy amorphous polymers Investigates strain softening and the phenomena taking place upon deformation of polymers in active liquid media Covers the Rehbinder effect, or the adsorption reduction of the strength of solids Describes the properties of polymers in environmental or solvent crazing Analyses the interaction of the highly developed surface of crazed polymers with diverse low- and high-molecular mass components Addresses the instability and self-organisation of surface layers in polymers and diverse polymer systems Presents theoretical speculations concerning the structurally mechanical behaviour of ‘a rigid coating on a soft substratum’ (RCSS) systems Assesses the stress–strain properties of the thin surface layers of polymers and the nanometric coatings deposited on their surfaces Highlights the efficacy of the approaches developed for RCSS systems for the analysis and description of natural phenomena Details the applied aspects of surface phenomena in the structurally mechanical behaviour of polymers Thus, Surface Phenomena in the Structural and Mechanical Behaviour of Solid Polymers provides a useful framework for the development of new and innovative polymer-based materials.
Book Synopsis Foaming with Supercritical Fluids by : Ernesto Di Maio
Download or read book Foaming with Supercritical Fluids written by Ernesto Di Maio and published by Elsevier. This book was released on 2021-11-06 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foaming with Supercritical Fluids, Volume Nine provides a comprehensive description of the use of supercritical fluids as blowing agents in polymer foaming. To this aim, the fundamental issues on which the proper design and control of this process are rooted are discussed in detail, with specific attention devoted to the theoretical and experimental aspects of sorption thermodynamics of a blowing agent within a polymer, the effect of the absorbed blowing agent on the thermal, interfacial and rheological properties of the expanding matter, and the phase separation of the gaseous phase, and of the related bubble nucleation and growth phenomena. Several foaming technologies based on the use of supercritical blowing agents are then described, addressing the main issues in the light of the underlying chemical-physical phenomena. - Offers strong fundamentals on polymer properties important on foaming - Outlines the use of supercritical fluids for foaming - Covers theoretical points-of-view, including foam formation of the polymer/gas solution to the setting of the final foam - Discusses the several processing technologies and applications
Book Synopsis High-temperature Properties and Applications of Polymeric Materials by : Martin R. Tant
Download or read book High-temperature Properties and Applications of Polymeric Materials written by Martin R. Tant and published by . This book was released on 1995 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents information on the synthesis, processing, and characterization of polymers and polymer composites for high performance materials needing to withstand high temperatures. Discusses the synthesis and properties of new thermally stable polymers. Includes new approaches for modeling material processing and decomposition. Provides a broad perspective by examining the science and engineering aspects of polymeric materials for high-temperature applications.
Book Synopsis Fundamentals, Properties, and Applications of Polymer Nanocomposites by : Joseph H. Koo
Download or read book Fundamentals, Properties, and Applications of Polymer Nanocomposites written by Joseph H. Koo and published by Cambridge University Press. This book was released on 2016-10-31 with total page 719 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is focused primarily on polymer nanocomposites, based on the author's research experience as well as open literature. The environmental health and safety aspects of nanomaterials and polymer nanocomposites, risk assessment and safety standards, and fire toxicity of polymer nanocomposites, are studied. In the final chapter, a brief overview of opportunities, trends, and challenges of polymer nanocomposites are included. Throughout the book, the theme is developed that polymer nanocomposites are a whole family of polymeric materials whose properties are capable of being tailored to meet specific applications. This volume serves as a general introduction to students and researchers just entering the field and to scholars from other subfields seeking information.
Book Synopsis Aspects of Physical Aging and Solid State Processing of Polymeric Glasses by : Angel Cugini
Download or read book Aspects of Physical Aging and Solid State Processing of Polymeric Glasses written by Angel Cugini and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on unconventional methods to improve the mechanical properties of glassy polymers such as PMMA, TritanTM Copolyester, and epoxy-based thermosets by influencing the intrinsic mechanical behavior through solid-state processing. The solid-state processing includes pre-stress, mechanical rejuvenation, and mechanical work hardening that cause changes in microscopic conformation structure and dynamics of glassy polymers and enhance properties such as non-linear deformation behavior and low and high velocity fracture. To utilize such unconventional techniques, one needs to understand fundamental origins of dynamics in polymeric glasses where the chain segments are not completely frozen and the segmental diffusion displays high degree of intermolecular cooperativity. We demonstrate how fundamental principles of polymer physics can be applied to improve fracture toughness of polymeric glasses. Emphasis is placed on structure-process-property relationships of these systems. In Chapter 2 long-term effects of physical aging and solid state processing are monitored through dynamic mechanical properties of an amorphous glassy polymer. These phenomena are investigated through dynamic mechanical testing that evaluates in-situ the evolution of the storage modulus with time during annealing and physical aging. Comparisons are made on samples with different thermal histories and mechanical treatment. The results are discussed in context to an aging rate obtained from the various thermal and mechanical treatments. We demonstrate that there is apparent work hardening of glassy polymers. The effect of strain rate, dwell time and material are compared and the permanence of the processing is investigated. In Chapter 3, we investigate the effect mechanical rejuvenation on the fracture toughness of epoxy-based thermosets and correlate the kinetics of the recovery of fracture toughness to compression based ductility parameters and dynamic mechanical analysis (DMA)-based aging rates. We also investigate the effect of molecular additives, antiplasticizers, on the structural recovery rate of the epoxy after mechanical rejuvenation. Chapter 4 studies the optimization of prestressed poly (methyl methacrylate) (PMMA), through equibiaxial compression with increasing amounts of shear and simple shear. To suppress inherent large radial crack growth associated with simple shear prestress, orientation is superimposed to minimize crack growth. These prestressed states are compared at both low velocity and ballistic rates. To investigate the low velocity impact dependence on rate, a strain energy density term is used to remove the dependence of geometry. Lastly, to reduce scatter in ballistic date, a master curve is developed to collapse all data regardless of boundary conditions, rate of impact and materials. In Chapter 5 we examine the correlation between ductility parameters based on dynamic mechanical data and fracture toughness and other non-linear mechanical properties. This chapter focuses on the model system poly (methyl methacrylate) and the relationship of these ductility parameters to other engineering properties for a range of temperatures and strain rates.
Book Synopsis Food Shelf Life Stability by : Michael Eskin
Download or read book Food Shelf Life Stability written by Michael Eskin and published by CRC Press. This book was released on 2000-09-19 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food Shelf Life Stability provides a unique approach to understanding this critical subject by examining physical, chemical, and biochemical factors affecting food quality. The first section emphasizes the effects that water activity, glass transition, and plasticization have on temperature, water content, and time-dependant phenomena affecting
