Environmental Degradation Of Nano Enhanced Polymers In Low Earth Orbit

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Environmental Degradation of Nano Enhanced Polymers in Low Earth Orbit

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Author : Mohammed Jaradat
Publisher :
ISBN 13 :
Total Pages : 173 pages
Book Rating : 4.:/5 (94 download)

Book Synopsis Environmental Degradation of Nano Enhanced Polymers in Low Earth Orbit by : Mohammed Jaradat

Download or read book Environmental Degradation of Nano Enhanced Polymers in Low Earth Orbit written by Mohammed Jaradat and published by . This book was released on 2014 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers are widely used in space shuttles and systems due to the unique properties they possess. However, the extremely harsh conditions in the low earth orbit (LEO), which ranges from 200-1800 km above the earth, have a degrading effect on those polymers. The predominant component of the LEO atmosphere is Atomic Oxygen (AO), which is a single O atom formed through the dissociation of molecular oxygen by ultra violet radiation from the sun. AO particles collide with a kinetic energy of approximately 5 eV, this energy is enough to facilitate the degradation of most polymers. An organic/inorganic hybrid material approach is used in this study through the incorporation of polyhedral oligomeric silsesquixanes (POSS) into traditional polymer systems. Several materials with different POSS percentages and exposure times to oxygen plasma (glassification process) are considered for this research. Following a pre-testing process only selected specimens are sent to the atomic oxygen testing facility at Marshall Space and Flight Center to be tested and evaluated. The specimens were assessed using the dynamic mechanical analysis and atomic force microscopy techniques to characterize the surface and obtain different mechanical and physical properties. A computational approach in the form of Molecular Dynamics (MD) simulations are performed on a polyimide and polyimide/POSS systems and elastic properties are determined. The selected materials with higher POSS percentages generally performed better in terms of mass loss of the tested systems due to the rapid and more complete formation of an oxidized protective layer that significantly limits further degradation once it formed. The glassification process doesn't seem to improve the resistance against AO attacks greatly at such small exposure times, never the less a slight improvement is noticed.

Study of Degradation and Damage of Polymer and Polymer-composite Materials in Low Earth Orbit Environment

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Author : Jean Liu
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (35 download)

Book Synopsis Study of Degradation and Damage of Polymer and Polymer-composite Materials in Low Earth Orbit Environment by : Jean Liu

Download or read book Study of Degradation and Damage of Polymer and Polymer-composite Materials in Low Earth Orbit Environment written by Jean Liu and published by . This book was released on 1994 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fibrous Polymeric Composites

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Author : Bankim Chandra Ray
Publisher : CRC Press
ISBN 13 : 0429013949
Total Pages : 168 pages
Book Rating : 4.4/5 (29 download)

Book Synopsis Fibrous Polymeric Composites by : Bankim Chandra Ray

Download or read book Fibrous Polymeric Composites written by Bankim Chandra Ray and published by CRC Press. This book was released on 2018-05-20 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book emphasizes the scientific origin of deformation and damage of FRP composites under various environmental effects and analyses present understanding on degradation mechanisms, role of interfaces and addition of nanofillers Discusses micro-characterization of composites and interfaces, also includes micro-mechanisms and microscopic evidences to establish the structure-property correlation Elucidates advantages and limitations of FRP composites in supercritical applications

Low Earth Orbital Atomic Oxygen and Ultraviolet Radiation Effects on Polymers

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Author : Joyce A. Dever
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis Low Earth Orbital Atomic Oxygen and Ultraviolet Radiation Effects on Polymers by : Joyce A. Dever

Download or read book Low Earth Orbital Atomic Oxygen and Ultraviolet Radiation Effects on Polymers written by Joyce A. Dever and published by . This book was released on 1991 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Carbon Nanotube Enhanced Aerospace Composite Materials

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Author : A. Paipetis
Publisher : Springer Science & Business Media
ISBN 13 : 9400742452
Total Pages : 381 pages
Book Rating : 4.4/5 (7 download)

Book Synopsis Carbon Nanotube Enhanced Aerospace Composite Materials by : A. Paipetis

Download or read book Carbon Nanotube Enhanced Aerospace Composite Materials written by A. Paipetis and published by Springer Science & Business Media. This book was released on 2012-09-14 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: The well documented increase in the use of high performance composites as structural materials in aerospace components is continuously raising the demands in terms of dynamic performance, structural integrity, reliable life monitoring systems and adaptive actuating abilities. Current technologies address the above issues separately; material property tailoring and custom design practices aim to the enhancement of dynamic and damage tolerance characteristics, whereas life monitoring and actuation is performed with embedded sensors that may be detrimental to the structural integrity of the component. This publication explores the unique properties of carbon nanotubes (CNT) as an additive in the matrix of Fibre Reinforced Plastics (FRP), for producing structural composites with improved mechanical performance as well as sensing/actuating capabilities. The successful combination of the CNT properties and existing sensing actuating technologies leads to the realization of a multifunctional FRP structure. The current volume presents the state of the art research in this field. The contributions cover all the aspects of the novel composite systems, i.e. modeling from nano to macro scale, enhancement of structural efficiency, dispersion and manufacturing, integral health monitoring abilities, Raman monitoring, as well as the capabilities that ordered carbon nanotube arrays offer in terms of sensing and/or actuating in aerospace composites.

Issues and Consequences of Atomic Oxygen Undercutting of Protected Polymers in Low Earth Orbit

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Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (317 download)

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Download or read book Issues and Consequences of Atomic Oxygen Undercutting of Protected Polymers in Low Earth Orbit written by and published by . This book was released on 2002 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Carbon Nanotube-Polymer Nanocomposites

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Author : Srikanta Moharana
Publisher : Springer Nature
ISBN 13 : 9819763290
Total Pages : 493 pages
Book Rating : 4.8/5 (197 download)

Book Synopsis Carbon Nanotube-Polymer Nanocomposites by : Srikanta Moharana

Download or read book Carbon Nanotube-Polymer Nanocomposites written by Srikanta Moharana and published by Springer Nature. This book was released on with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Atomic Oxygen Erosion Resistance of Organic Polymers for Low Earth Orbit Spacecraft [microform]

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Author : Grant Rheal Cool
Publisher : National Library of Canada = Bibliothèque nationale du Canada
ISBN 13 : 9780612354319
Total Pages : pages
Book Rating : 4.3/5 (543 download)

Book Synopsis Atomic Oxygen Erosion Resistance of Organic Polymers for Low Earth Orbit Spacecraft [microform] by : Grant Rheal Cool

Download or read book Atomic Oxygen Erosion Resistance of Organic Polymers for Low Earth Orbit Spacecraft [microform] written by Grant Rheal Cool and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polyhedral Oligomeric Silsesquioxane (POSS) Polymer Nanocomposites

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Author : Sabu Thomas
Publisher : Elsevier
ISBN 13 : 0128213582
Total Pages : 578 pages
Book Rating : 4.1/5 (282 download)

Book Synopsis Polyhedral Oligomeric Silsesquioxane (POSS) Polymer Nanocomposites by : Sabu Thomas

Download or read book Polyhedral Oligomeric Silsesquioxane (POSS) Polymer Nanocomposites written by Sabu Thomas and published by Elsevier. This book was released on 2021-03-25 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polyhedral Oligomeric Silsesquioxane (POSS) Polymer Nanocomposites: From Synthesis to Applications offers extensive coverage of polyhedral oligomeric silsesquioxanes and their nanocomposites, including their synthesis, characterization, interfacial interactions and advanced applications. Sections introduce essentials, information on their preparation and discussions on polymeric materials, including elastomers, thermoplastics, thermosetting polymers, polymer blends and IPNs. Further sections cover the latest analysis techniques, examine the properties of POSS-polymer nanocomposites, and discuss key application areas, such as biological, energy, defense, and space. Finally, issues surrounding industry implementation and lifecycle are explored. This is a valuable reference for researchers, scientists and advanced students in the areas of polymer composites and nanocomposites, polymer chemistry, polymer physics, polymer science, and materials science and engineering. In an industrial setting, this book will be of great interest to scientists, R&D professionals, and engineers across industries and disciplines. - Covers all aspects of polyhedral oligomeric silsesquioxanes (POSS) and their nanocomposites, including synthesis and characterization techniques, properties, analysis, applications and trends - Targets POSS nanocomposites, describing synthesis, characterization and the selection of POSS filler types according to polymeric material - Explains the preparation and utilization of POSS polymer nanocomposites for cutting-edge applications, including biological, energy, and defense field applications

Recent Advances in Smart Self-Healing Polymers and Composites

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Author : Guoqiang Li
Publisher : Woodhead Publishing
ISBN 13 : 0128234733
Total Pages : 530 pages
Book Rating : 4.1/5 (282 download)

Book Synopsis Recent Advances in Smart Self-Healing Polymers and Composites by : Guoqiang Li

Download or read book Recent Advances in Smart Self-Healing Polymers and Composites written by Guoqiang Li and published by Woodhead Publishing. This book was released on 2022-06-08 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: There have been many new developments since the first edition of this book was published back in 2015. These can be summarized as follows: integration of multiple properties into self-healing polymer materials, such as the shape memory effect and flame retardancy; beyond self-healing and the development of recyclable thermoset polymers; and the application of self-healing polymers in both 3D and 4D printing. Recent Advances in Smart Self-healing Polymers and Composites, Second Edition provides a comprehensive introduction to the fascinating field of smart self-healing polymers and composites. All chapters are brought fully-up-to-date with the addition of six brand new contributions on the characterization of self-healing polymers, light-triggered self-healing, additive manufacturing, multifunctional thermoset polymers with self-healing ability, and recyclable thermoset polymers and 4D printing. It is written for a large readership including not only R&D researchers from diverse backgrounds such as chemistry, materials science, aerospace, physics, and biological science, but also for graduate student working on self-healing technologies as well as their newly developed applications. - Features new chapters on characterization of self-healing polymers, light-triggered self-healing, additive manufacturing, multifunctional thermoset polymers with self-healing ability, recyclable thermoset polymers and 4D printing - All chapters have been significantly updated from the previous edition - Provides a grounding in all key areas of research to bring people up to speed with the latest developments

Transport Processes in Ion-Irradiated Polymers

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Author : Dietmar Fink
Publisher : Springer Science & Business Media
ISBN 13 : 3662106086
Total Pages : 344 pages
Book Rating : 4.6/5 (621 download)

Book Synopsis Transport Processes in Ion-Irradiated Polymers by : Dietmar Fink

Download or read book Transport Processes in Ion-Irradiated Polymers written by Dietmar Fink and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second volume, Transport Processes in Ion Irradiated Polymers deals with transport processes in both unirradiated and irradiated polymers. As both a review and a stimulus, this work seeks to contribute substantially to the literature and advancement of polymeric devices, from both the low- and high-energy regimes.

Polyimides

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Author : Mariana-Dana Damaceanu
Publisher : Elsevier
ISBN 13 : 032390677X
Total Pages : 410 pages
Book Rating : 4.3/5 (239 download)

Book Synopsis Polyimides by : Mariana-Dana Damaceanu

Download or read book Polyimides written by Mariana-Dana Damaceanu and published by Elsevier. This book was released on 2023-12-05 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polyimides: Advances in Blends and Nanocomposites brings together the latest research in the area of polyimide-based blends and nanocomposites, opening the door to a range of cutting-edge applications. The book begins by discussing polyimide architectures, synthetic pathways, processing, properties, challenges and application potential before introducing polyimide-based blends and nanocomposites and explaining the modification of polyimide chains for high performance composites matrices. This is followed by chapters offering detailed, methodical coverage of each main type of blend and nanocomposite, covering preparation techniques, structures, properties and current and emerging applications.Throughout the book's chapters, there is an emphasis on methods for high-performance polyimide-based materials, with a constant orientation towards applications and additional in-depth coverage at the end of the book on three key application areas, gas separation, fuel cells, and biomedical applications. This is a valuable resource for researchers and advanced students across polymer science, composite science, nanotechnology, materials chemistry, biomaterials, and chemical engineering, as well as R&D professionals, scientists and engineers working with polyimide-based materials for advanced industrial applications. - Provides comprehensive coverage of the different types of polyimide blends and nanocomposites - Offers a systematic approach, covering synthesis, characterization, properties and applications - Guides the reader towards a range of state-of-the-art applications such as fuel cells and biomedical applications

Dissertation Abstracts International

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Author :
Publisher :
ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2009 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bridging the Centuries with SAMPE's Materials and Processes Technology

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Author : Steve Loud
Publisher : Taylor & Francis
ISBN 13 : 0938994867
Total Pages : 2381 pages
Book Rating : 4.9/5 (389 download)

Book Synopsis Bridging the Centuries with SAMPE's Materials and Processes Technology by : Steve Loud

Download or read book Bridging the Centuries with SAMPE's Materials and Processes Technology written by Steve Loud and published by Taylor & Francis. This book was released on 2000 with total page 2381 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemical Dynamics in Extreme Environments

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Author : Rainer A. Dressler
Publisher : World Scientific
ISBN 13 : 9789812811882
Total Pages : 644 pages
Book Rating : 4.8/5 (118 download)

Book Synopsis Chemical Dynamics in Extreme Environments by : Rainer A. Dressler

Download or read book Chemical Dynamics in Extreme Environments written by Rainer A. Dressler and published by World Scientific. This book was released on 2001 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: As computing power increases, a growing number of macroscopic phenomena are modeled at the molecular level. Consequently, new requirements are generated for the understanding of molecular dynamics in exotic conditions. This book illustrates the importance of detailed chemical dynamics and the role it plays in the phenomenology of a number of extreme environments. Each chapter addresses one or more extreme environments, outlines the associated chemical mechanisms of relevance, and then covers the leading edge science that elucidates the chemical coupling. The chapters exhibit a balance between theory and experiment, gas phase, solid state, and surface dynamics, and geophysical and technical environments. Sample Chapter(s). Chapter 1.1: Introduction (203 KB). Chapter 1.2: Chemistry at High Temperatures and Pressures (99 KB). Chapter 1.3: High Temperature Chemistry in the Atmosphere (82 KB). Chapter 1.4: Low Temperature Chemistry (90 KB). Chapter 1.5: Conclusions (131 KB). Contents: Exploring Chemistry in Extreme Environments: A Driving Force for Innovation (M R Berman); Chemistry Under Extreme Conditions: Cluster Impact Activation (T Raz & R D Levine); Nonequilibrium Chemistry Modeling in Rarefied Hypersonic Flows (I D Boyd); Chemical Dynamics in Chemical Laser Media (M C Heaven); From Elementary Reactions to Complex Combustion Systems (C Schulz et al.); The Gas-Phase Chemical Dynamics Associated with Meteors (R A Dressler & E Murad); Dynamics of Hypervelocity Gas/Surface Collisions (D C Jacobs); Surface Chemistry in the Jovian Magnetosphere Radiation Environment (R E Johnson); Dynamics of Atomic Oxygen Induced Polymer Degradation in Low Earth Orbit (T K Minton & D J Garton); Atomic-Level Properties of Thermal Barrier Coatings: Characterization of MetalOCoCeramic Interface (A Christensen et al.); Molecular Dynamics Simulations of Detonations (C T White et al.). Readership: Scientists engaged in cross-disciplinary work and chemists studying multidisciplinary problems."

Investigation of Teflon FEP Embrittlement on Spacecraft in Low Earth Orbit

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Author :
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (317 download)

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Download or read book Investigation of Teflon FEP Embrittlement on Spacecraft in Low Earth Orbit written by and published by . This book was released on 1997 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: