X Ray Investigation Of Semi Crystalline Polymer Fiber During Deformation

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X-ray Investigation of Semi-crystalline Polymer Fiber During Deformation

Author : Wenjie Wang
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.:/5 (556 download)

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Book Synopsis X-ray Investigation of Semi-crystalline Polymer Fiber During Deformation by : Wenjie Wang

Download or read book X-ray Investigation of Semi-crystalline Polymer Fiber During Deformation written by Wenjie Wang and published by . This book was released on 2010 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymeric fibers are highly oriented semi-crystalline materials. High performance fibers with smaller diameter and fewer defects have higher strength than bulk materials. Carbon nanotubes (CNTs) or nanofibers (CNFs) have exceptionally high tensile strength modulus. Polymer fibers reinforced with CNTs or CNFs as nano-fillers are one of the most promising nanocomposites. To fully benefit from the unique mechanical properties of these nano-fillers, a better understanding of reinforcing mechanisms, especially load-transfer between matrix and fillers, is critical. X-ray scattering/diffraction is an ideal tool to look into the structure and morphology of materials over the length scale 1 nm to 100 nm. Synchtrotron x-ray radiation with its high brilliance enables in-situ dynamic measurement and is an effective method to monitor the structural and morphological chances in materials with hierarchical structure. Two-dimensional (2D) scattering data that are obtained from fibers need to be properly analyzed to fully characterize the hierarchical structure. In the work described in this dissertation, in situ small-angle x-ray scattering (SAXS) and wide-angle x-ray scattering (WAXS) were obtained during tensile deformation of solution-spun and gel-spun polyacrylonitrile (PAN) fibers with or without nano-reinforcement. 2D elliptical analyses methods were developed to extract the significant features of 2D x-ray scattering data and correlated to structure and morphology of the fiber. The WAXS showed PAN to have zigzag and helical conformation that are intimately associated to the crystal lattice. It was found that the presence of nano-fillers alter the structure of polymer matrix at the molecular scale. At 10-100 nm length scale, the PAN filament can be modeled as fibrils with crystalline, amorphous domains and voids. These voids provide the electron density contrast for SAXS. PAN has non-lamellar structure that results in diffuse SAXS patterns. It was found that the voids were surrounded by fibrils and oriented the same manner as crystals. Processing conditions and fillers affect the distribution, size and behaviors of voids. These structural details enhance our understanding of the factors that control the ultimate mechanical properties of nano-reinforced polymer fibers.

A Small-angle X-ray Scattering Study of the Deformation of Semicrystalline Polymer Fibers

Author : Michael R. Resetarits
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (719 download)

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Book Synopsis A Small-angle X-ray Scattering Study of the Deformation of Semicrystalline Polymer Fibers by : Michael R. Resetarits

Download or read book A Small-angle X-ray Scattering Study of the Deformation of Semicrystalline Polymer Fibers written by Michael R. Resetarits and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

In-situ Small-Angle X-ray Scattering Investigation of Transient Nanostructure of Multi-phase Polymer Materials Under Mechanical Deformation

Download In-situ Small-Angle X-ray Scattering Investigation of Transient Nanostructure of Multi-phase Polymer Materials Under Mechanical Deformation PDF Online Free

Author : Ahmad Zeinolebadi
Publisher : Springer Science & Business Media
ISBN 13 : 3642354130
Total Pages : 117 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis In-situ Small-Angle X-ray Scattering Investigation of Transient Nanostructure of Multi-phase Polymer Materials Under Mechanical Deformation by : Ahmad Zeinolebadi

Download or read book In-situ Small-Angle X-ray Scattering Investigation of Transient Nanostructure of Multi-phase Polymer Materials Under Mechanical Deformation written by Ahmad Zeinolebadi and published by Springer Science & Business Media. This book was released on 2013-01-30 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results in this dissertation set the ground to answer a fundamental question in data-driven polymer material science: "Why don't prepared composites show less fatigue than the pure plastics?" A simultaneous analysis of mechanical testing and small angle X-Ray scattering from the DESY source in Hamburg has been applied to approach this question, which is also central to the European research project "Nanotough", and the results are clearly presented in this book. The evolution of the materials structure is visualized and quantitatively analyzed from exhaustive sequences of scattering images. Three different classes of polymer composites are presented as typical and illustrative examples. The obtained results illustrate that the interactions of their components can cause unpredictable structural effects, ultimaltely leading to a weakening of the material, where a reinforcement was expected.

Polymer Morphology

Author : Qipeng Guo
Publisher : John Wiley & Sons
ISBN 13 : 1118892771
Total Pages : 464 pages
Book Rating : 4.1/5 (188 download)

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Book Synopsis Polymer Morphology by : Qipeng Guo

Download or read book Polymer Morphology written by Qipeng Guo and published by John Wiley & Sons. This book was released on 2016-03-21 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: With a focus on structure-property relationships, this book describes how polymer morphology affects properties and how scientists can modify them. The book covers structure development, theory, simulation, and processing; and discusses a broad range of techniques and methods. • Provides an up-to-date, comprehensive introduction to the principles and practices of polymer morphology • Illustrates major structure types, such as semicrystalline morphology, surface-induced polymer crystallization, phase separation, self-assembly, deformation, and surface topography • Covers a variety of polymers, such as homopolymers, block copolymers, polymer thin films, polymer blends, and polymer nanocomposites • Discusses a broad range of advanced and novel techniques and methods, like x-ray diffraction, thermal analysis, and electron microscopy and their applications in the morphology of polymer materials

Small Angle Scattering and Diffraction

$Download Small Angle Scattering and Diffraction PDF Online Free$

Author : Margareth Kazuyo Kobayashi Dias Franco
Publisher : BoD – Books on Demand
ISBN 13 : 1789232465
Total Pages : 118 pages
Book Rating : 4.7/5 (892 download)

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Book Synopsis Small Angle Scattering and Diffraction by : Margareth Kazuyo Kobayashi Dias Franco

Download or read book Small Angle Scattering and Diffraction written by Margareth Kazuyo Kobayashi Dias Franco and published by BoD – Books on Demand. This book was released on 2018-06-06 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reasoned and based on the difference between discovery and invention, according to the traditional conception, science can be distinguished between basic science and applied science. Nevertheless, we know that the sciences are inseparable. A century or more ago, Louis Pasteur said "there is no applied science, there are applications of science." With this assertion, he establishes the logic of complementarity between them. Science certainly goes beyond its own material application and brings us to issues that have intrigued humanity for a long time. During the many years that we have been working with techniques of material characterization, we observed that this complementarity was not always understood by the researchers. In line with the reasoning that the technique joined with science generates technology, the application of techniques that use x-ray and neutron sources seems to us of fundamental importance for the development of technology. In this way, we present in this book how the existing technology of material characterization can contribute to science and applied technology. The authors who contributed with this book sought to show the importance of applying the existing techniques in the development of their works.

Polymer Morphology

Author : Qipeng Guo
Publisher : John Wiley & Sons
ISBN 13 : 1118452151
Total Pages : 472 pages
Book Rating : 4.1/5 (184 download)

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Book Synopsis Polymer Morphology by : Qipeng Guo

Download or read book Polymer Morphology written by Qipeng Guo and published by John Wiley & Sons. This book was released on 2016-05-16 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: With a focus on structure-property relationships, this book describes how polymer morphology affects properties and how scientists can modify them. The book covers structure development, theory, simulation, and processing; and discusses a broad range of techniques and methods. • Provides an up-to-date, comprehensive introduction to the principles and practices of polymer morphology • Illustrates major structure types, such as semicrystalline morphology, surface-induced polymer crystallization, phase separation, self-assembly, deformation, and surface topography • Covers a variety of polymers, such as homopolymers, block copolymers, polymer thin films, polymer blends, and polymer nanocomposites • Discusses a broad range of advanced and novel techniques and methods, like x-ray diffraction, thermal analysis, and electron microscopy and their applications in the morphology of polymer materials

Research in Progress

Author :
Publisher :
ISBN 13 :
Total Pages : 604 pages
Book Rating : 4.:/5 (334 download)

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Book Synopsis Research in Progress by :

Download or read book Research in Progress written by and published by . This book was released on 1984 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Postdoctoral Research Associateships

Author :
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Postdoctoral Research Associateships by :

Download or read book Postdoctoral Research Associateships written by and published by . This book was released on 1986 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polymer Crystallization I

Author : Finizia Auriemma
Publisher : Springer
ISBN 13 : 3319492039
Total Pages : 298 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Polymer Crystallization I by : Finizia Auriemma

Download or read book Polymer Crystallization I written by Finizia Auriemma and published by Springer. This book was released on 2016-12-21 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Advances in Polymer Science presents critical reviews of the present and future trends in polymer and biopolymer science. It covers all areas of research in polymer and biopolymer science including chemistry, physical chemistry, physics, material science. The thematic volumes are addressed to scientists, whether at universities or in industry, who wish to keep abreast of the important advances in the covered topics. Advances in Polymer Science enjoys a longstanding tradition and good reputation in its community. Each volume is dedicated to a current topic, and each review critically surveys one aspect of that topic, to place it within the context of the volume. The volumes typically summarize the significant developments of the last 5 to 10 years and discuss them critically, presenting selected examples, explaining and illustrating the important principles, and bringing together many important references of primary literature. On that basis, future research directions in the area can be discussed. Advances in Polymer Science volumes thus are important references for every polymer scientist, as well as for other scientists interested in polymer science - as an introduction to a neighboring field, or as a compilation of detailed information for the specialist. Review articles for the individual volumes are invited by the volume editors. Single contributions can be specially commissioned. Readership: Polymer scientists, or scientists in related fields interested in polymer and biopolymer science, at universities or in industry, graduate students

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.:/5 (319 download)

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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 1995 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Scattering Methods and the Properties of Polymer Materials

Author : Norbert Stribeck
Publisher : Springer Science & Business Media
ISBN 13 : 9783540253235
Total Pages : 210 pages
Book Rating : 4.2/5 (532 download)

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Book Synopsis Scattering Methods and the Properties of Polymer Materials by : Norbert Stribeck

Download or read book Scattering Methods and the Properties of Polymer Materials written by Norbert Stribeck and published by Springer Science & Business Media. This book was released on 2005-07-04 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructure is in the focus of science, and advanced scattering methods are significantly contributing to the solution of related questions. This volume includes 19 contributions to the field of polymers and scattering, collected on the occasion of Wilhelm Ruland’s 80th anniversary in October 2005. The contributions from leading scientists cover a wide range of topics concerning -Advanced polymer materials -Studies of nanostructure: From bone to nanotubes -Modern data evaluation methods for isotropic and anisotropic scattering data. The book is an excellent source of information with respect to recent developments and future applications related to this important field that extends from the engineering of advanced materials to the development of novel evaluation methods.

Computed Tomography

Author : Jiang Hsieh
Publisher : Society of Photo Optical
ISBN 13 : 9780819475336
Total Pages : 556 pages
Book Rating : 4.4/5 (753 download)

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Book Synopsis Computed Tomography by : Jiang Hsieh

Download or read book Computed Tomography written by Jiang Hsieh and published by Society of Photo Optical. This book was released on 2009-01-01 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray computed tomography (CT) continues to experience rapid growth, both in basic technology and new clinical applications. Seven years after its first edition, Computed Tomography: Principles, Design, Artifacts, and Recent Advancements, Second Edition, provides an overview of the evolution of CT, the mathematical and physical aspects of the technology, and the fundamentals of image reconstruction algorithms. Image display is examined from traditional methods used through the most recent advancements. Key performance indices, theories behind the measurement methodologies, and different measurement phantoms in image quality are discussed. The CT scanner is broken down into components to provide the reader with an understanding of their function, their latest advances, and their impact on the CT system. General descriptions and different categories of artifacts, their causes, and their corrections are considered at length. Given the high visibility and public awareness of the impact of x-ray radiation, the second edition features a new chapter on x-ray dose and presents different dose reduction techniques ranging from patient handling, optimal data acquisition, image reconstruction, and post-process. Based on the advancements over the past five years, the second edition added new sections on cone beam reconstruction algorithms, nonconventional helical acquisition and reconstruction, new reconstruction approaches, and dual-energy CT. Finally, new to this edition is a set of problems for each chapter, providing opportunities to enhance reader comprehension and practice the application of covered material.

Mineral-Filled Polymer Composites

Author : Hanafi Ismail
Publisher : CRC Press
ISBN 13 : 1000465225
Total Pages : 315 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Mineral-Filled Polymer Composites by : Hanafi Ismail

Download or read book Mineral-Filled Polymer Composites written by Hanafi Ismail and published by CRC Press. This book was released on 2022-01-05 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mineral-filled polymer composites are widely used in industries across the globe, and applications are continuously increasing in sectors such as shipping, manufacturing and renewable energy. One of two volumes comprising the Mineral-Filled Polymer Composites Handbook, this volume provides an overview of the latest research and future directions of advanced mineral fiber-reinforced polymer composites, focused specifically on materials properties. It covers fundamentals, recent progress and new materials involved in mineral-filled polymer composites and includes a wide-ranging list of chapters authored by an international team of experts. This book: Examines the properties of a wide range of materials, from macro- to nano-sized Highlights resources for bio-based minerals production and compares bio-based minerals with commercial mineral fillers Covers novel synthesis methods Discusses effects of aging on properties Describes using halloysite and montmorillonite to improve composite properties and the potential of using mineral fillers to enhance the properties of biopolymer and synthetic polymers This book serves as an excellent reference guide for researchers, advanced students, academics and industry professionals interested in the synthesis of mineral-filled polymer and biopolymer composites, as well as those pursuing research in the broad fields of composite materials, polymers, organic/inorganic hybrid materials and nano-assembly.

Concise Encyclopedia of Materials Characterization

Author : R.W. Cahn
Publisher : Elsevier
ISBN 13 : 1483287513
Total Pages : 670 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Concise Encyclopedia of Materials Characterization by : R.W. Cahn

Download or read book Concise Encyclopedia of Materials Characterization written by R.W. Cahn and published by Elsevier. This book was released on 2016-01-22 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: To use materials effectively, their composition, degree of perfection, physical and mechanical characteristics, and microstructure must be accurately determined. This concise encyclopledia covers the wide range of characterization techniques necessary to achieve this. Articles included are not only concerned with the characterization techniques of specific materials such as polymers, metals, ceramics and semiconductors but also techniques which can be applied to materials in general. The techniques described cover bulk methods, and also a number of specific methods to study the topography and composition of surface and near-surface regions. These techniques range from the well-established and traditional to the very latest including: atomic force microscopy; confocal optical microscopy; gamma ray diffractometry; thermal wave imaging; x-ray diffraction and time-resolved techniques. This unique concise encyclopedia comprises 116 articles by leading experts in the field from around the world to create the ideal guide for materials scientists, chemists and engineers involved with any aspect of materials characterization. With over 540 illustrations, extensive cross-referencing, approximately 900 references, and a detailed index, this concise encyclopedia will be a valuable asset to any materials science collection.

X-ray Investigations of Polymer Structures

Author : Andrzej Włochowicz
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis X-ray Investigations of Polymer Structures by : Andrzej Włochowicz

Download or read book X-ray Investigations of Polymer Structures written by Andrzej Włochowicz and published by SPIE-International Society for Optical Engineering. This book was released on 1997 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Publications of the National Institute of Standards and Technology ... Catalog

Author : National Institute of Standards and Technology (U.S.)
Publisher :
ISBN 13 :
Total Pages : 1162 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Publications of the National Institute of Standards and Technology ... Catalog by : National Institute of Standards and Technology (U.S.)

Download or read book Publications of the National Institute of Standards and Technology ... Catalog written by National Institute of Standards and Technology (U.S.) and published by . This book was released on 1994 with total page 1162 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polymer Microscopy

Author : Linda Sawyer
Publisher : Springer Science & Business Media
ISBN 13 : 0387726284
Total Pages : 568 pages
Book Rating : 4.3/5 (877 download)

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Book Synopsis Polymer Microscopy by : Linda Sawyer

Download or read book Polymer Microscopy written by Linda Sawyer and published by Springer Science & Business Media. This book was released on 2008-12-24 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This extensively updated and revised Third Edition is a comprehensive and practical guide to the study of the microstructure of polymers. It is the result of the authors' many years of academic and industrial experience. Introductory chapters deal with the basic concepts of both polymer morphology and processing and microscopy and imaging theory. The core of the book is more applied, with many examples of specimen preparation and image interpretation leading to materials characterization. Emerging techniques such as compositional mapping in which microscopy is combined with spectroscopy are considered. The book closes with a problem solving guide.