Degradation Of The Composite Fiber Matrix Interface In Marine Environment

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Degradation of the Composite Fiber/matrix Interface in Marine Environment

Author : Muhammad Umar Farooq
Publisher :
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.:/5 (664 download)

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Book Synopsis Degradation of the Composite Fiber/matrix Interface in Marine Environment by : Muhammad Umar Farooq

Download or read book Degradation of the Composite Fiber/matrix Interface in Marine Environment written by Muhammad Umar Farooq and published by . This book was released on 2009 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Durability of the composite materials in marine environments has been investigated experimentally and with analytical and numerical methods. The main focus of this study is on the integrity of the fiber/matrix interface under seawater exposure. A single-fiber compression test specimen called the Outwater-Murphy (OM) test has been analyzed using mechanics of materials principles and linear elastic fracture mechanics. Sizing of the OM specimen was conducted so that debonding of the fiber from the interface should be achieved prior to yielding of the matrix and global instability failure. Stress analysis of the OM specimen has been conducted from theory of elasticity and finite element analysis. A superelement technique was developed for detailed analysis of the stress state at the fiber/matrix interface. The interface stress state at the debond site in the OM specimen, i.e. at the hole edge, was identified as biaxial tension at the fiber/matrix interface. Characterization of cure and post-cure of 8084 and 510A vinlyester resins has been performed using cure shrinkage tests based on dynamic mechanical analysis and coated beam experiments. In addition, moisture absorption, swelling and the influence of moisture on the mechanical properties of the resins were determined. Testing of OM specimens consisting of a single carbon or glass fiber embedded in vinylester resin at dry conditions and after seawater exposure revealed that the debond toughness was substantially reduced after exposure of the OM specimen to seawater. C(F) did not debond. Macroscopic carbon/vinylester woven composites where the fibers were sized with F sizing were tested in shear at dry conditions and after four weeks of seawater exposure. The shear strength was very little affected after the short immersion time.

Durability of Composites in a Marine Environment

Author : Peter Davies
Publisher : Springer Science & Business Media
ISBN 13 : 9400774176
Total Pages : 264 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Durability of Composites in a Marine Environment by : Peter Davies

Download or read book Durability of Composites in a Marine Environment written by Peter Davies and published by Springer Science & Business Media. This book was released on 2013-10-31 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composites are widely used in marine applications. There is considerable experience of glass reinforced resins in boats and ships but these are usually not highly loaded. However, for new areas such as offshore and ocean energy there is a need for highly loaded structures to survive harsh conditions for 20 years or more. High performance composites are therefore being proposed. This book provides an overview of the state of the art in predicting the long term durability of composite marine structures. The following points are covered: • Modelling water diffusion • Damage induced by water • Accelerated testing • Including durability in design • In-service experience. This is essential reading for all those involved with composites in the marine industry, from initial design and calculation through to manufacture and service exploitation. It also provides information unavailable elsewhere on the mechanisms involved in degradation and how to take account of them. Ensuring long term durability is not only necessary for safety reasons, but will also determine the economic viability of future marine structures.

Carbon Fiber/vinylester Composites in the Marine Environment

Author : Chris J. Vinci
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (687 download)

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Book Synopsis Carbon Fiber/vinylester Composites in the Marine Environment by : Chris J. Vinci

Download or read book Carbon Fiber/vinylester Composites in the Marine Environment written by Chris J. Vinci and published by . This book was released on 2010 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this research, the degradation of carbon fiber/vinylester composites in marine environments was experimentally investigated. Additionally, two types of carbon fiber surface treatments, namely Polyhedral Oligomeric Silsesquioxane (POSS) and the industrial surface treatment F0E, were evaluated to determine their effectiveness in creating a fiber/matrix (F/M) interface for use in the marine environment. Electrochemical Impedance Spectroscopy (EIS) was explored as a new application of an existing technique for use in measuring the amount of water at the F/M interface in carbon fiber/vinylester composites. EIS spectra were used to determine equivalent electric circuit models that allow for the prediction of water at the interface. The location of water within the composite was determined through Positron Annihilation Lifetime Spectroscopy (PALS). Interlaminar shear strength and transverse tensile tests were carried out for dry conditions and after hygrothermal exposure of the composites to study the influence of the integrity of the F/M interface on the macroscopic response of the composite.

Durability of Composites in a Marine Environment 2

Author : Peter Davies
Publisher : Springer
ISBN 13 : 3319651455
Total Pages : 244 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Durability of Composites in a Marine Environment 2 by : Peter Davies

Download or read book Durability of Composites in a Marine Environment 2 written by Peter Davies and published by Springer. This book was released on 2017-09-18 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers from the 2nd Workshop on “Durability of Composites in a Marine Environment”, which was held in Brest, France in August 2016. Providing an overview of the state of the art in predicting the long-term durability of composite marine structures, it addresses modelling water diffusion; damage induced by water accelerated testing, including durability in design; in-service experiences; ocean energy; and offshore applications. Ensuring long-term durability is not only necessary for safety reasons, but also determines the economic viability of future marine structures, and as such, the book is essential reading for all those involved with composites in the marine industry, from initial design and calculation through to manufacture and service exploitation. It also provides information unavailable elsewhere on the mechanisms involved in degradation and how to take account of them.

Composite Materials

Author : Roderick H. Martin
Publisher : ASTM International
ISBN 13 : 0803120125
Total Pages : 517 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Composite Materials by : Roderick H. Martin

Download or read book Composite Materials written by Roderick H. Martin and published by ASTM International. This book was released on 1986 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Damping in Fiber Reinforced Composite Materials

Author : Pramod Kumar
Publisher : Woodhead Publishing
ISBN 13 : 0323913431
Total Pages : 174 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Damping in Fiber Reinforced Composite Materials by : Pramod Kumar

Download or read book Damping in Fiber Reinforced Composite Materials written by Pramod Kumar and published by Woodhead Publishing. This book was released on 2023-01-13 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Damping in Fiber Reinforced Composite Materials starts with an introduction to the basic concepts of damping in composite materials. Methods of modeling damping are then covered, along with recent developments in measuring techniques, both local, like polar scanning and global techniques like the Resonalyser method (based on measuring modal damping ratios of composite material plates). The effect of other factors, such as stress, strain-level, stiffness and frequency that need to be considered when determining damping behavior in composite materials are also discussed in detail. Other chapters present a parametric study of a two-phase composite material using different micromechanical models such as Unified micromechanics, and Hashin and Eshelby’s to predict elastic moduli and loss factors. A bridging model that incorporates the effect of fiber packaging factors is then compared to FEM results. Final sections cover the effect of the interphase on the mechanical properties of the composite, present a nonlinear model for the prediction of damping in viscoelastic materials, and provide practical examples of damping and principles of vibration control. Introduces the basics of damping and dynamic analysis in composite materials Explains damping mechanisms in fiber reinforced composites and modeling principles Covers recent developments in measuring techniques for the identification of damping in composite materials Explains the use of a dynamic mechanical analyzer for predicting damping in composite materials Contains micromechanical studies, modeling of two and three-phase composites, and modeling of non-linear damping Includes experimental results that validate micromechanical models

Durability and Life Prediction in Biocomposites, Fibre-Reinforced Composites and Hybrid Composites

Author : Mohammad Jawaid
Publisher : Woodhead Publishing
ISBN 13 : 0081022980
Total Pages : 468 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Durability and Life Prediction in Biocomposites, Fibre-Reinforced Composites and Hybrid Composites by : Mohammad Jawaid

Download or read book Durability and Life Prediction in Biocomposites, Fibre-Reinforced Composites and Hybrid Composites written by Mohammad Jawaid and published by Woodhead Publishing. This book was released on 2018-09-13 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Durability and Life Prediction in Biocomposites, Fibre-Reinforced Composites and Hybrid Composites focuses on the advanced characterization techniques used for the analysis of composite materials developed from natural fiber/biomass, synthetic fibers and a combination of these materials used as fillers and reinforcements to enhance materials performance and utilization in automotive, aerospace, construction and building components. The book presents 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. 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

High-Performance Structural Fibers for Advanced Polymer Matrix Composites

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309181836
Total Pages : 70 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis High-Performance Structural Fibers for Advanced Polymer Matrix Composites by : National Research Council

Download or read book High-Performance Structural Fibers for Advanced Polymer Matrix Composites written by National Research Council and published by National Academies Press. This book was released on 2005-05-09 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Military use of advanced polymer matrix composites (PMC)â€"consisting of a resin matrix reinforced by high-performance carbon or organic fibersâ€"while extensive, accounts for less that 10 percent of the domestic market. Nevertheless, advanced composites are expected to play an even greater role in future military systems, and DOD will continue to require access to reliable sources of affordable, high-performance fibers including commercial materials and manufacturing processes. As a result of these forecasts, DOD requested the NRC to assess the challenges and opportunities associated with advanced PMCs with emphasis on high-performance fibers. This report provides an assessment of fiber technology and industries, a discussion of R&D opportunities for DOD, and recommendations about accelerating technology transition, reducing costs, and improving understanding of design methodology and promising technologies.

Aging and Durability of FRP Composites and Nanocomposites

Author : Arya Uthaman
Publisher : Elsevier
ISBN 13 : 0443155461
Total Pages : 448 pages
Book Rating : 4.4/5 (431 download)

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Book Synopsis Aging and Durability of FRP Composites and Nanocomposites by : Arya Uthaman

Download or read book Aging and Durability of FRP Composites and Nanocomposites written by Arya Uthaman and published by Elsevier. This book was released on 2024-02-23 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The usage of composites is a broad and growing area of scientific research, especially in developed and developing countries. These materials are used in a broad range of applications in both structural and civil engineering sectors. In many of these applications FRPs are exposed to one or more environmental influences, so they need to be designed to meet durability requirements to withstand even the harshest of environments. Aging and Durability of FRP Composites and Nanocomposites focuses on the latest developments in durability and long-term ageing studies of composite materials especially for those used in civil and structural engineering applications. The book will be a valuable reference resource for materials scientists and engineers who want to learn more about the long-term service life and durability behaviour of composites under different environmental conditions. Discusses composites and polymer nanocomposites Reviews different types of aging processes and degradation mechanisms in composites Covers different types of accelerated aging tests Presents theory, modeling, and simulation studies of aged composites and nanocomposites Looks at recent trends and future possibilities

Molecular Simulation Investigations of Property Degradation in CFRP Composite

Author : Lik-ho Tam
Publisher : Springer Nature
ISBN 13 : 9819739012
Total Pages : 168 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis Molecular Simulation Investigations of Property Degradation in CFRP Composite by : Lik-ho Tam

Download or read book Molecular Simulation Investigations of Property Degradation in CFRP Composite written by Lik-ho Tam and published by Springer Nature. This book was released on with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanoscience: Friction And Rheology On The Nanometer Scale

Author : Ernst Meyer
Publisher : World Scientific
ISBN 13 : 981449934X
Total Pages : 393 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Nanoscience: Friction And Rheology On The Nanometer Scale by : Ernst Meyer

Download or read book Nanoscience: Friction And Rheology On The Nanometer Scale written by Ernst Meyer and published by World Scientific. This book was released on 1998-12-30 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Friction force microscopy is an important analytical tool in the field of tribology on the nanometer-scale. The contact area between the probing tip and the sample is reduced to some square nanometers, corresponding to the ideal of a single asperity contact. Traditional concepts, such as friction coefficients, adhesion and elasticity and stick-slip are re-examined with this novel technique. New concepts based upon classical and quantum mechanics are investigated.

Engineered Interfaces in Fiber Reinforced Composites

Author : Jang-Kyo Kim
Publisher : Elsevier
ISBN 13 : 0080530974
Total Pages : 416 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Engineered Interfaces in Fiber Reinforced Composites by : Jang-Kyo Kim

Download or read book Engineered Interfaces in Fiber Reinforced Composites written by Jang-Kyo Kim and published by Elsevier. This book was released on 1998-10-21 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study and application of composite materials are a truly interdisciplinary endeavour that has been enriched by contributions from chemistry, physics, materials science, mechanics and manufacturing engineering. The understanding of the interface (or interphase) in composites is the central point of this interdisciplinary effort. From the early development of composite materials of various nature, the optimization of the interface has been of major importance. While there are many reference books available on composite materials, few of them deal specifically with the science and mechanics of the interface of fiber reinforced composites. Further, many recent advances devoted solely to research in composite interfaces have been scattered in a variety of published literature and have yet to be assembled in a readily accessible form. To this end this book is an attempt to bring together recent developments in the field, both from the materials science and mechanics perspective, in a single convenient volume. The central theme of the book is tailoring the interface properties to optimise the mechanical peformance and structural integrity of composites with enhanced strength/stiffness and fracture toughness (or specific fracture resistance). It deals mainly with interfaces in advanced composites made from high performance fibers, such as glass, carbon, aramid, ultra high modulus polyethylene and some inorganic (e.g. B/W, A12O3, SiC) fibers, and matrix materials encompassing polymers, metals/alloys and ceramics. The book is intended to provide a comprehensive treatment of composite interfaces in such a way that it should be of interest to materials scientists, technologists and practising engineers, as well as graduate students and their supervisors in advanced composites. We hope that this book will also serve as a valuable source of reference to all those involved in the design and research of composite interfaces. The book contains eight chapters of discussions on microstructure-property relationships with underlying fundamental mechanics principles. In Chapter 1, an introduction is given to the nature and definition of interfaces in fiber reinforced composites. Chapter 2 is devoted to the mechanisms of adhesion which are specific to each fiber-matrix system, and the physio-chemical characterization of the interface with regard to the origin of adhesion. The experimental techniques that have been developed to assess the fiber-matrix interface bond quality on a microscopic scale are presented in Chapter 3, along with the techniques of measuring interlaminar/intralaminar strengths and fracture toughness using bulk composite laminates. The applicability and limitations associated with loading geometry and interpretation of test data are compared. Chapter 4 presents comprehensive theoretical analyses based on shear-lag models of the single fiber composite tests, with particular interest being placed on the interface debond process and the nature of the fiber-matrix interfacial bonding. Chapter 5 is devoted to reviewing current techniques of fiber surface treatments which have been devised to improve the bond strength and the fiber-matrix compatibility/stability during the manufacturing processes of composites. The micro-failure mechanisms and their associated theories of fracture toughness of composites are discussed in Chapter 6. The roles of the interface and its effects on the mechanical performance of fiber composites are addressed from several viewpoints. Recent research efforts to augment the transverse and interlaminar fracture toughness by means of controlled interfaces are presented in Chapters 7 and 8.

Fibrous Polymeric Composites

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

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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

Fiber, Matrix, and Interface Properties

Author : Christopher J. Spragg
Publisher : ASTM International
ISBN 13 : 080312046X
Total Pages : 206 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Fiber, Matrix, and Interface Properties by : Christopher J. Spragg

Download or read book Fiber, Matrix, and Interface Properties written by Christopher J. Spragg and published by ASTM International. This book was released on 1996 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasizing fiber-matrix adhesion and its characterization in composite materials, reports results from applying the most commonly used test methods, such as fragmentation, pull-out, and indentation, to high-performance composites and their constituents. The 13 papers were presented at a symposium i

Composites from Renewable and Sustainable Materials

Author : Matheus Poletto
Publisher : BoD – Books on Demand
ISBN 13 : 9535127934
Total Pages : 346 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Composites from Renewable and Sustainable Materials by : Matheus Poletto

Download or read book Composites from Renewable and Sustainable Materials written by Matheus Poletto and published by BoD – Books on Demand. This book was released on 2016-11-30 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composites from Renewable and Sustainable Materials consists of 16 chapters written by international subject matter experts investigating the characteristic and current application of materials from renewable and sustainable sources. The reader will develop a deeper understanding about the concepts related to renewable materials, biomaterials, natural fibers, biodegradable composites, starch, and recycled materials. This book will serve as the starting point for materials science researchers, engineers, and technologists from the diverse backgrounds in physics, chemistry, biology, materials science, and engineering who want to know and better understand the fundamental aspects and current applications of renewable and sustainable materials in several applications.

Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials

Author : Hyonny Kim
Publisher : DEStech Publications, Inc
ISBN 13 : 1605951242
Total Pages : 3583 pages
Book Rating : 4.6/5 (59 download)

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Book Synopsis Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials by : Hyonny Kim

Download or read book Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials written by Hyonny Kim and published by DEStech Publications, Inc. This book was released on 2014-09-17 with total page 3583 pages. Available in PDF, EPUB and Kindle. Book excerpt: New and not previously published U.S. and international research on composite and nanocomposite materialsFocus on health monitoring/diagnosis, multifunctionality, self-healing, crashworthiness, integrated computational materials engineering (ICME), and moreApplications to aircraft, armor, bridges, ships, and civil structures This fully searchable CD-ROM contains 270 original research papers on all phases of composite materials, presented by specialists from universities, NASA and private corporations such as Boeing. The document is divided into the following sections: Aviation Safety and Aircraft Structures; Armor and Protection; Multifunctional Composites; Effects of Defects; Out of Autoclave Processing; Sustainable Processing; Design and Manufacturing; Stability and Postbuckling; Crashworthiness; Impact and Dynamic Response; Natural, Biobased and Green; Integrated Computational Materials Engineering (ICME); Structural Optimization; Uncertainty Quantification; NDE and SHM Monitoring; Progressive Damage Modeling; Molecular Modeling; Marine Composites; Simulation Tools; Interlaminar Properties; Civil Structures; Textiles. The CD-ROM displays figures and illustrations in articles in full color along with a title screen and main menu screen. Each user can link to all papers from the Table of Contents and Author Index and also link to papers and front matter by using the global bookmarks which allow navigation of the entire CD-ROM from every article. Search features on the CD-ROM can be by full text including all key words, article title, author name, and session title. The CD-ROM has Autorun feature for Windows 2000 or higher products and can also be used with Macintosh computers. The CD includes the program for Adobe Acrobat Reader with Search 11.0. One year of technical support is included with your purchase of this product.

Encyclopedia of Polymer Applications, 3 Volume Set

Author : Munmaya Mishra
Publisher : CRC Press
ISBN 13 : 1351019414
Total Pages : 2954 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis Encyclopedia of Polymer Applications, 3 Volume Set by : Munmaya Mishra

Download or read book Encyclopedia of Polymer Applications, 3 Volume Set written by Munmaya Mishra and published by CRC Press. This book was released on 2018-12-17 with total page 2954 pages. Available in PDF, EPUB and Kindle. Book excerpt: Undoubtedly the applications of polymers are rapidly evolving. Technology is continually changing and quickly advancing as polymers are needed to solve a variety of day-to-day challenges leading to improvements in quality of life. The Encyclopedia of Polymer Applications presents state-of-the-art research and development on the applications of polymers. This groundbreaking work provides important overviews to help stimulate further advancements in all areas of polymers. This comprehensive multi-volume reference includes articles contributed from a diverse and global team of renowned researchers. It offers a broad-based perspective on a multitude of topics in a variety of applications, as well as detailed research information, figures, tables, illustrations, and references. The encyclopedia provides introductions, classifications, properties, selection, types, technologies, shelf-life, recycling, testing and applications for each of the entries where applicable. It features critical content for both novices and experts including, engineers, scientists (polymer scientists, materials scientists, biomedical engineers, macromolecular chemists), researchers, and students, as well as interested readers in academia, industry, and research institutions.