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Preparation And Properties Of Polymer Foams For Icf Targets
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Book Synopsis Preparation and Properties of Polymer Foams for ICF Targets by :
Download or read book Preparation and Properties of Polymer Foams for ICF Targets written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Low density small cell sized foams were developed to localize the liquid DT layer in a direct drive wetted foam laser fusion target. We have developed foams made from ultrahigh molecular weight polyethylene gels and polystyrene inverse emulsions. Materials in the density range of from 0.020 to 0.300 g/cc were prepared and characterized for cell size, mechanical properties, machinability, specific surface area, and wetting. Foams with a density of 0.05 g/cc were made with a cell size of less than 5 .mu.m. A cell structure model was developed which relates the density and specific surface area to cell size and cell wall thickness. Wetting tests in organic solvents and in liquid hydrogen were used to characterize the capillary pressure, pore structure and uniformity of the foams. 13 refs., 9 figs., 2 tabs.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-06 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation of Multishell ICF Target Plastic-foam Cushion Materials by Thermally Induced Phase-inversion Processes by :
Download or read book Preparation of Multishell ICF Target Plastic-foam Cushion Materials by Thermally Induced Phase-inversion Processes written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Homogenous, low-density plastic foams for ICF targets have been prepared by thermally induced phase inversion processes. Uniform, open cell foams have been obtained by the rapid freezing of water solutions of modified cellulose polymers with densities in the range of 5 mg/cm3 to 0.7 mg/cm3 and respective average cell sizes of 2 to 40 micrometers. In addition, low-density, microcellular foams have been prepared from the hydrocarbon polymer poly(4-methyl-l-pentene) via a similar phase inversion process using homogenous solutions in organic solvents. These foams have densities from 2 to 5 mg/cm3 and average cell sizes of 20 micrometers. The physical-chemical aspects of the thermally induced phase inversion process is presented.
Book Synopsis Low-density Carbonized Composite Foams for Direct-drive Laser ICF Targets by :
Download or read book Low-density Carbonized Composite Foams for Direct-drive Laser ICF Targets written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The design for a direct-drive, high-gain laser inertial confinement fusion target calls for the use of a low-density, low-atomic-number foam to confine and stabilize liquid deuterium-tritium (DT) in a spherical-shell configuration. Over the past two years, we have successfully developed polystyrene foams (PS) and carbonized resorcinol-formaldehyde foams (CRF) for that purpose. Both candidates are promising materials with unique characteristics. PS has superior mechanical strength and machinability, but its relatively large thermal contraction is a significant disadvantage. CRF has outstanding wettability and dimensional stability in liquid DT; yet it is much more fragile than PS. To combine the strengths of both materials, we have recently developed a polymer composite foam which exceeds PS in mechanical strength, but retains the wettability and dimension stability of CRF. This paper will discuss the preparation, structure, and properties of the polymer composite foams. 5 refs., 1 fig., 1 tab.
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1983 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Polymer Foams by : David Eaves
Download or read book Handbook of Polymer Foams written by David Eaves and published by iSmithers Rapra Publishing. This book was released on 2004 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook reviews the chemistry, manufacturing methods, properties and applications of the synthetic polymer foams used in most applications. In addition, a chapter is included on the fundamental principles, which apply to all polymer foams. There is also a chapter on the blowing agents used to expand polymers and a chapter is on microcellular foams - a relatively new development where applications are still being explored.
Author :Fyodor Anatoljevitsch Shutov Publisher :Walter de Gruyter GmbH & Co KG ISBN 13 :3112727916 Total Pages :320 pages Book Rating :4.1/5 (127 download)
Book Synopsis Integral/ Structural Polymer Foams by : Fyodor Anatoljevitsch Shutov
Download or read book Integral/ Structural Polymer Foams written by Fyodor Anatoljevitsch Shutov and published by Walter de Gruyter GmbH & Co KG. This book was released on 1986-12-31 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: No detailed description available for "Integral/ Structural Polymer Foams".
Book Synopsis Polymeric Foams Structure-Property-Performance by : Bernard Obi
Download or read book Polymeric Foams Structure-Property-Performance written by Bernard Obi and published by William Andrew. This book was released on 2017-12-07 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymeric Foams Structure–Property–Performance: A Design Guide is a response to the design challenges faced by engineers in a growing market with evolving standards, new regulations, and an ever-increasing variety of application types for polymeric foam. Bernard Obi, an author with wide experience in testing, characterizing, and applying polymer foams, approaches this emerging complexity with a practical design methodology that focuses on understanding the relationship between structure–properties of polymeric foams and their performance attributes. The book not only introduces the fundamentals of polymer and foam science and engineering, but also goes more in-depth, covering foam processing, properties, and uses for a variety of applications. By connecting the diverse technologies of polymer science to those from foam science, and by linking both micro- and macrostructure–property relationships to key performance attributes, the book gives engineers the information required to solve pressing design problems involving the use of polymeric foams and to optimize foam performance. With a focus on applications in the automotive and transportation industries, as well as uses of foams in structural composites for lightweight applications, the author provides numerous case studies and design examples of real-life industrial problems from various industries and their solutions. Provides the science and engineering fundamentals relevant for solving polymer foam application problems Offers an exceptionally practical methodology to tackle the increasing complexity of real-world design challenges faced by engineers working with foams Discusses numerous case studies and design examples, with a focus on automotive and transportation Utilizes a practical design methodology focused on understanding the relationship between structure-properties of polymeric foams and their performance attributes
Download or read book Polymeric Foams written by Shau-Tarng Lee and published by CRC Press. This book was released on 2006-08-21 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers are among the major hallmarks of 20th-century science, and the explosive outgrowth and tremendous importance of polymeric foams is a testament to their amazing versatility and unique properties. With applications from automotive to acoustic and medical, polymeric foams pervade all areas of our lives. If this growth is to continue into the
Author :Advisory Committee on Technology and Society Publisher :National Academies Press ISBN 13 :9780309037860 Total Pages :1298 pages Book Rating :4.0/5 (378 download)
Book Synopsis Cities and Their Vital Systems by : Advisory Committee on Technology and Society
Download or read book Cities and Their Vital Systems written by Advisory Committee on Technology and Society and published by National Academies Press. This book was released on 1989 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cities and Their Vital Systems asks basic questions about the longevity, utility, and nature of urban infrastructures; analyzes how they grow, interact, and change; and asks how, when, and at what cost they should be replaced. Among the topics discussed are problems arising from increasing air travel and airport congestion; the adequacy of water supplies and waste treatment; the impact of new technologies on construction; urban real estate values; and the field of "telematics," the combination of computers and telecommunications that makes money machines and national newspapers possible.
Book Synopsis Basic Principles by : James L. Throne
Download or read book Basic Principles written by James L. Throne and published by Technomic Publishing Company. This book was released on 1988-12-01 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polymeric Foams written by Shau-Tarng Lee and published by CRC Press. This book was released on 2008-12-24 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores the Latest Developments in Polymeric FoamsSince the 1960s polymeric foams have grown into a solid industry that affects almost every aspect of modern life. The industry has weathered the energy crisis in the 70s, ozone issues in the 80s, and recycle/reuse in the 90s. However, the pace of development and social climate is rapidly changing a
Book Synopsis Publications of Los Alamos Research by : Los Alamos National Laboratory
Download or read book Publications of Los Alamos Research written by Los Alamos National Laboratory and published by . This book was released on 1983 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Deuteride Materials written by Jiping Liu and published by Springer. This book was released on 2019-02-27 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the very first book that offers an up-to-date and comprehensive overview on deuteride. It not only includes the concept, existing forms, key characteristics, but also reviews the preparation and characterization technologies and the latest research developments of deuteride. The special properties such as the nuclear properties, isotropic and neutron effect, poisonousness, radioactivity, volume expansion are systematically discussed to build up the sound understanding of the materials. In particular, this work reviews a number of commercial and scientific uses of the materials including nuclear reactors, NMR spectroscopy and medicines. Researchers and industrial professionals in medicine, chemistry, biochemistry, environmental sciences and defense sciences will benefit from this work.
Book Synopsis Integral/structural Polymer Foams by : Fedor Anatolʹevich Shutov
Download or read book Integral/structural Polymer Foams written by Fedor Anatolʹevich Shutov and published by Springer. This book was released on 1986 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Integral/Structural Polymer Foams by : Fyodor A. Shutov
Download or read book Integral/Structural Polymer Foams written by Fyodor A. Shutov and published by Springer. This book was released on 2013-01-11 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integral, or structural, foams are one of the most remarkable materials that have been developed over the last fifteen years. As with all rapidly growing fields, the terminology seems to have grown even faster. Thus there are two names for the material structure itself. In the United States and in Japan the term for these plastics is Structural Foams, whereas in Europe and the USSR the term used is usually Integral Foams. We have adhered to the European term in the text and hope our colleagues will bear with us. Integral foams have a specific structure: a cellular core that gradually turns into a solid skin. The skin gives the part its form and stiffness, while the cellular core contributes to the very high strength-to-weight values of the material. These are higher than those of some unfoamed plastics and metals. The sandwich-like structure with its unique mechanical properties was prompted by nature. Wood and bone are strong and light-weight natural materials having a cellular structure. Since the sandwich-like structure of the integral foams resembles that of natural wood, the foams are often referred to as artifical wood or plastic wood, thereby emphasizing not only the formal structural similarity of these materials, but also one of the main functional applications of integral foams - replacement of wooden articles in various fields of engineering and construction.
Book Synopsis Handbook of Polymeric Foams and Foam Technology by : Daniel Klempner
Download or read book Handbook of Polymeric Foams and Foam Technology written by Daniel Klempner and published by Hanser Gardner Publications. This book was released on 2004 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describing all classes of polymeric foams, including their chemistry, synthesis, commercial production methods, properties, and applications, this handbook is designed to support engineers in their effort to develop practical solutions for industrial design and manufacturing challenges.
