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The selection and application of engineered materials is an integrated process that requires an understanding of the interaction between materials properties, manufacturing characteristics, design considerations, and the total life cycle of the product. This reference book on engineering plastics provides practical and comprehensive coverage on how the performance of plastics is characterized during design, property testing, and failure analysis. The fundamental structure and properties of plastics are reviewed for general reference, and detailed articles describe the important design factors, properties, and failure mechanisms of plastics. The effects of composition, processing, and structure are detailed in articles on the physical, chemical, thermal, and mechanical properties. Other articles cover failure mechanisms such as: crazing and fracture; impact loading; fatigue failure; wear failures, moisture related failure; organic chemical related failure; photolytic degradation; and microbial degradation. Characterization of plastics in failure analysis is described with additional articles on analysis of structure, surface analysis, and fractography.
Plastics possess properties that have revolutionized the manufacture of products in the 20th century and beyond. It remains critical to understand their behavior throughout their life cycle, from manufacture to use and eventually to reclamation and disposal. This volume highlights the most prominent tools in physical and chemical analysis techniques and applications. A practical reference for performing measurements, solving problems, and investigating behavioral phenomena, the editors advocate a phenomenological approach, relying on case studies and illustrations to represent possible outcomes of each technique and presenting the basic governing equations where necessary.
This book is a product of the understanding I developed of stress analysis applied to plastics, while at work at L. J. Broutman and Associates (UBA) and as a lecturer in the seminars on this topic co-sponsored by UBA and Society of Plastics Engineers. I believe that by its extent and level of treatment, this book would serve as an easy-to-read desktop reference for professionals, as well as a text book at the junior or senior level in undergraduate programs. The main theme of this book is what to do with computed stress. To approach the theme effectively, I have taken the "stress category ap proach" to stress analysis. Such an approach is being successfully used in the nuclear power field. In plastics, this approach helps in the prediction of long term behavior of structures. To maintain interest I have limited derivations and proofs to a minimum, and provided them, if at all, as flow charts. In this way, I believe that one can see better the connection between the variables, assumptions, and mathematics.
Fractography in Failure Analysis of Polymers provides a practical guide to the science of fractography and its application in the failure analysis of plastic components. In addition to a brief background on the theory of fractography, the authors discuss the various fractographic tools and techniques used to identify key fracture characteristics. Case studies are included for a wide range of polymer types, applications, and failure modes, as well as best practice guidelines enabling engineers to apply these lessons to their own work. Detailed images and their appropriate context are presented for reference in failure investigations. This text is vital for engineers who must determine the root causes of failure when it occurs, helping them further study the ramifications of product liability claims, environmental concerns, and brand image. - Presents a comprehensive guide to applied fractography, enabling improved reliability and longevity of plastic parts and products - Includes case studies that demonstrate material selection decisions and how to reduce failure rates - Provides best practices on how to analyze the cause of material failures, along with guidelines on improving design and manufacturing decisions
Polymers have undoubtedly changed the world through many products that improve our lives. However, additives used to modify the overall characteristics of these materials may not be fully disclosed or understood. These additives may present possible environmental and health hazards. It is important to monitor consumer products for these compounds u
The broad collection of techniques gathered in this book help illustrate material/process/property relationships for a wide selection of materials and processes in the plastics industry. With the recent increases in computing power and scope, as well as advances in software engineering, imaging has already become a universal tool. Image processing and image analysis have become common expressions are widely recognized within the scientific community. The imaging techniques employed range from visible optical methods to scanning and transmission electron microscopy, x-ray, thermal wave infrared and atomic force microscopy. Image analysis is used to monitor/ characterize a variety of processes. Processes included within this book are: extrusion, injection molding, foam production, film manufacture, compression molding, blow molding, vulcanization, melt spinning, reactive blending, welding, conveying, composite manufacture, compounding, and thermosetting. Imaging techniques are also employed to characterize/quantify a number of important material properties. These include: fiber orientation distribution, homogeneity of mixing, the rate of spherulites growth, polymer crystallization rate, melt flow index, pore size and shape in foam, cell density in foam, void content, particle analysis in polymer blends, morphology, interparticle distance, fiber diameter, fatigue crack, crazing, scratching, surface roughness, fiber-length distribution, nucleation, oil penetration, peel adhesion, chemical resistance, droplet-fiber transition, electrical conductivity, dispersion and impurity content.
Written in easy-to-read and -use format, this book updates and revises its bestselling predecessor to become the most complete, comprehensive resource on plastics testing. This book has an emphasis on significance of test methods and interpretation of results. The book covers all aspects of plastics testing, failure analysis, and quality assurance - including chapters on identification analysis, failure analysis, and case studies. The book concludes with a substantial appendix with useful data, charts and tables for ready reference. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.
This book describes how man-made litter, primarily plastic, has spread into the remotest parts of the oceans and covers all aspects of this pollution problem from the impacts on wildlife and human health to socio-economic and political issues. Marine litter is a prime threat to marine wildlife, habitats and food webs worldwide. The book illustrates how advanced technologies from deep-sea research, microbiology and mathematic modelling as well as classic beach litter counts by volunteers contributed to the broad awareness of marine litter as a problem of global significance. The authors summarise more than five decades of marine litter research, which receives growing attention after the recent discovery of great oceanic garbage patches and the ubiquity of microscopic plastic particles in marine organisms and habitats. In 16 chapters, authors from all over the world have created a universal view on the diverse field of marine litter pollution, the biological impacts, dedicated research activities, and the various national and international legislative efforts to combat this environmental problem. They recommend future research directions necessary for a comprehensive understanding of this environmental issue and the development of efficient management strategies. This book addresses scientists, and it provides a solid knowledge base for policy makers, NGOs, and the broader public.
A must for experts in industry, this book describes the application of vibrational (FTIR, UV, Raman) and mass spectrometries and other instrumental techniques for identification and structure elucidation of plastics additives. Numerous tables and figures compress the state of the art.