Low Temperature Mechanical Testing of Carbon-Fiber/Epoxy-Resin Composite Materials PDF Download
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Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781722347437 Category : Languages : en Pages : 34
Book Description
The use of cryogenic fuels (liquid oxygen and liquid hydrogen) in current space transportation vehicles, in combination with the proposed use of composite materials in such applications, requires an understanding of how such materials behave at cryogenic temperatures. In this investigation, tensile intralaminar shear tests were performed at room, dry ice, and liquid nitrogen temperatures to evaluate the effect of temperature on the mechanical response of the IM7/8551-7 carbon-fiber/epoxy-resin system. Quasi-isotropic lay-ups were also tested to represent a more realistic lay-up. It was found that the matrix became both increasingly resistant to microcracking and stiffer with decreasing temperature. A marginal increase in matrix shear strength with decreasing temperature was also observed. Temperature did not appear to affect the integrity of the fiber-matrix bond. Nettles, Alan T. and Biss, Emily J. Marshall Space Flight Center ...
Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781722347437 Category : Languages : en Pages : 34
Book Description
The use of cryogenic fuels (liquid oxygen and liquid hydrogen) in current space transportation vehicles, in combination with the proposed use of composite materials in such applications, requires an understanding of how such materials behave at cryogenic temperatures. In this investigation, tensile intralaminar shear tests were performed at room, dry ice, and liquid nitrogen temperatures to evaluate the effect of temperature on the mechanical response of the IM7/8551-7 carbon-fiber/epoxy-resin system. Quasi-isotropic lay-ups were also tested to represent a more realistic lay-up. It was found that the matrix became both increasingly resistant to microcracking and stiffer with decreasing temperature. A marginal increase in matrix shear strength with decreasing temperature was also observed. Temperature did not appear to affect the integrity of the fiber-matrix bond. Nettles, Alan T. and Biss, Emily J. Marshall Space Flight Center ...
Author: K.L. Reifsnider Publisher: CRC Press ISBN: 9789054109600 Category : Technology & Engineering Languages : en Pages : 380
Book Description
Composite material systems are the basis for much of the natural world around us and are rapidly becoming the basis for many modern engineering components. A controlling feature for the general use of such systems is their damage tolerance, durability and reliability. The present book is a comprehensive cross section of the state of the art in the field of the durability of polymer-based, composite, and adhesive systems. As such, it is of special value to researchers concerned with the frontier of the field, to students concerned with the substance of the subject, and to the applied community concerned with the finding methodologies that make it possible to design safe and durable engineering components using material systems.
Author: L C Hollaway Publisher: Elsevier ISBN: 1845694899 Category : Technology & Engineering Languages : en Pages : 415
Book Description
The repair of deteriorated, damaged and substandard civil infrastructures has become one of the most important issues for the civil engineer worldwide. This important book discusses the use of externally-bonded fibre-reinforced polymer (FRP) composites to strengthen, rehabilitate and retrofit civil engineering structures, covering such aspects as material behaviour, structural design and quality assurance.The first three chapters of the book review structurally-deficient civil engineering infrastructure, including concrete, metallic, masonry and timber structures. FRP composites used in rehabilitation and surface preparation of the component materials are also reviewed. The next four chapters deal with the design of FRP systems for the flexural and shear strengthening of reinforced concrete (RC) beams and the strengthening of RC columns. The following two chapters examine the strengthening of metallic and masonry structures with FRP composites. The last four chapters of the book are devoted to practical considerations in the flexural strengthening of beams with unstressed and prestressed FRP plates, durability of externally bonded FRP composite systems, quality assurance and control, maintenance, repair, and case studies.With its distinguished editors and international team of contributors, Strengthening and rehabilitation of civil infrastructures using fibre-reinforced polymer (FRP) composites is a valuable reference guide for engineers, scientists and technical personnel in civil and structural engineering working on the rehabilitation and strengthening of the civil infrastructure. - Reviews the use of fibre-reinforced polymer (FRP) composites in structurally damaged and sub-standard civil engineering structures - Examines the role and benefits of fibre-reinforced polymer (FRP) composites in different types of structures such as masonry and metallic strengthening - Covers practical considerations including material behaviour, structural design and quality assurance
Author: Jyotishkumar Parameswaranpillai Publisher: John Wiley & Sons ISBN: 3527346783 Category : Technology & Engineering Languages : en Pages : 450
Book Description
Discover a one-stop resource for in-depth knowledge on epoxy composites from leading voices in the field Used in a wide variety of materials engineering applications, epoxy composites are highly relevant to the work of engineers and scientists in many fields. Recent developments have allowed for significant advancements in their preparation, processing and characterization that are highly relevant to the aerospace and automobile industry, among others. In Epoxy Composites: Fabrication, Characterization and Applications, a distinguished team of authors and editors deliver a comprehensive and straightforward summary of the most recent developments in the area of epoxy composites. The book emphasizes their preparation, characterization and applications, providing a complete understanding of the correlation of rheology, cure reaction, morphology, and thermo-mechanical properties with filler dispersion. Readers will learn about a variety of topics on the cutting-edge of epoxy composite fabrication and characterization, including smart epoxy composites, theoretical modeling, recycling and environmental issues, safety issues, and future prospects for these highly practical materials. Readers will also benefit from the inclusion of: A thorough introduction to epoxy composites, their synthesis and manufacturing, and micro- and nano-scale structure formation in epoxy and clay nanocomposites An exploration of long fiber reinforced epoxy composites and eco-friendly epoxy-based composites Practical discussions of the processing of epoxy composites based on carbon nanomaterials and the thermal stability and flame retardancy of epoxy composites An analysis of the spectroscopy and X-ray scattering studies of epoxy composites Perfect for materials scientists, polymer chemists, and mechanical engineers, Epoxy Composites: Fabrication, Characterization and Applications will also earn a place in the libraries of engineering scientists working in industry and process engineers seeking a comprehensive and exhaustive resource on epoxy composites.
Author: A. P. Mouritz Publisher: Springer Science & Business Media ISBN: 1402053568 Category : Science Languages : en Pages : 409
Book Description
This book is the first to deal with the important topic of the fire behaviour of fibre reinforced polymer composite materials. The book covers all of the key issues on the behaviour of composites in a fire. Also covered are fire protection materials for composites, fire properties of nanocomposites, fire safety regulations and standards, fire test methods, and health hazards from burning composites.
Author: Mohammad Jawaid Publisher: Woodhead Publishing ISBN: 0081023006 Category : Technology & Engineering Languages : en Pages : 480
Book Description
Mechanical and Physical Testing of Biocomposites, Fibre-Reinforced Composites and Hybrid Composites covers key aspects of fracture and failure in natural/synthetic fiber reinforced polymer based composite materials, ranging from crack propagation, to crack growth, and from notch-size effect, to damage-tolerant design. Topics of interest include mechanical properties, such as tensile, flexural, compression, shear, impact, fracture toughness, low and high velocity impact, and anti-ballistic properties of natural fiber, synthetic fibers and hybrid composites materials. It also covers physical properties, such as density, water absorption, thickness swelling, and void content of composite materials fabricated from natural or synthetic materials. Written by leading experts in the field, and covering composite materials developed from different natural fibers and their hybridization with synthetic fibers, the book's chapters provide cutting-edge, up-to-date research on the characterization, analysis and modelling of composite materials. - Contains contributions from leading experts in the field - Discusses recent progress on failure analysis, SHM, durability, life prediction and the modelling of damage in natural fiber-based composite materials - Covers experimental, analytical and numerical analysis - Provides detailed and comprehensive information on mechanical properties, testing methods and modelling techniques
Author: Ru-Min Wang Publisher: Elsevier ISBN: 0857092227 Category : Technology & Engineering Languages : en Pages : 570
Book Description
Given such properties as low density and high strength, polymer matrix composites have become a widely used material in the aerospace and other industries. Polymer matrix composites and technology provides a helpful overview of these materials, their processing and performance.After an introductory chapter, part one reviews the main reinforcement and matrix materials used as well as the nature of the interface between them. Part two discusses forming and molding technologies for polymer matrix composites. The final part of the book covers key aspects of performance, including tensile, compression, shear and bending properties as well as impact, fatigue and creep behaviour.Polymer matrix composites and technology provides both students and those in industry with a valuable introduction to and overview of this important class of materials. - Provides a helpful overview of these materials, their processing and performance incorporating naming and classification of composite materials - Reviews the main reinforcement and matrix materials used as well as the nature of the interface between them including damage mechanisms - Discusses forming and molding technologies for polymer matrix composites outlining various techniques and technologies
Author: National Aeronautics and Space Administration (NASA)
Author: National Aeronautics and Space Administration (NASA)
Author: Alan T. Nettles
Author: K.L. Reifsnider
Author: L C Hollaway
Author: 
Author: 
Author: Jyotishkumar Parameswaranpillai
Author: A. P. Mouritz
Author: Mohammad Jawaid
Author: Ru-Min Wang