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A Small Angle X Ray Scattering Study Of The Deformation Of Semicrystalline Polymer Fibers
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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:
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.
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)
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.
Book Synopsis Small-angle X-ray Scattering of Semicrystalline Polymers by : Buckley Crist
Download or read book Small-angle X-ray Scattering of Semicrystalline Polymers written by Buckley Crist and published by . This book was released on 1972 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2013-11-21 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis· seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) *at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac· tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 20 (thesis year 1975) a total of 10,374 theses titles from 28 Canadian and 239 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. The organization of Volume 20 is identical to that of past years. It consists of theses titles arranged by discipline and by university within each discipline.
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
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.
Book Synopsis Characterization of biomaterials by : N. Sanjeeva Murthy
Download or read book Characterization of biomaterials written by N. Sanjeeva Murthy and published by Elsevier Inc. Chapters. This book was released on 2012-12-19 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomaterials often exhibit structures at multiple length scales that influence the chemical, physical, mechanical and biological properties of a material. This chapter discusses techniques used to determine these structures: light scattering for the determination of particle sizes ~0.1μm; wide-angle X-ray scattering for analyzing the molecular structure, crystallinity and morphology in the solid state (~1nm); small-angle X-ray scattering for obtaining structural information at mesoscale (10nm) to determine lamellar structure and phase behavior in the solid state, and size and aggregation behavior of particles in solution; and small-angle neutron scattering using molecules labeled with deuterium for the analysis of single chain dimensions, polymer mixtures and solvent diffusion in the solid state.
Book Synopsis Characterization of Biomaterials by : M Jaffe
Download or read book Characterization of Biomaterials written by M Jaffe and published by Elsevier. This book was released on 2012-12-19 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomaterials and medical devices must be rigorously tested in the laboratory before they can be implanted. Testing requires the right analytical techniques. Characterization of biomaterials reviews the latest methods for analyzing the structure, properties and behaviour of biomaterials. Beginning with an introduction to microscopy techniques for analyzing the phase nature and morphology of biomaterials, Characterization of biomaterials goes on to discuss scattering techniques for structural analysis, quantitative assays for measuring cell adhesion, motility and differentiation, and the evaluation of cell infiltration and tissue formation using bioreactors. Further topics considered include studying molecular-scale protein-surface interactions in biomaterials, analysis of the cellular genome and abnormalities, and the use of microarrays to measure cellular changes induced by biomaterials. Finally, the book concludes by outlining standards and methods for assessing the safety and biocompatibility of biomaterials. With its distinguished editors and international team of expert contributors, Characterization of biomaterials is an authoritative reference tool for all those involved in the development, production and application of biomaterials. Reviews the latest methods for analyzing the structure, properties and behaviour of biomaterials Discusses scattering techniques for structural analysis, quantitative assays for measuring cell adhesion, and motility and differentiation Examines the evaluation of cell infiltration and tissue formation using bioreactors
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
Book Synopsis Small Angle X-ray Scattering by : O. Glatter
Download or read book Small Angle X-ray Scattering written by O. Glatter and published by . This book was released on 1982 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1988 with total page 1570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 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 1994 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis SPE/ANTEC 1996 Proceedings (Print version/ 3 volumes) by : Spe
Download or read book SPE/ANTEC 1996 Proceedings (Print version/ 3 volumes) written by Spe and published by CRC Press. This book was released on 1996-05-02 with total page 1400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Application of Small Angle X-ray Scattering to the Quantitative Study of the Morphology of Polymer Fibres by : B. H. H. Hussain
Download or read book The Application of Small Angle X-ray Scattering to the Quantitative Study of the Morphology of Polymer Fibres written by B. H. H. Hussain and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
