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Stress And Damage In Polymer Matrix Composite Materials Due To Material Degradation At High Temperatures
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Book Synopsis Stress and Damage in Polymer Matrix Composite Materials Due to Material Degradation at High Temperatures by : Hugh L. McManus
Download or read book Stress and Damage in Polymer Matrix Composite Materials Due to Material Degradation at High Temperatures written by Hugh L. McManus and published by . This book was released on 1996 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress and Damage in Polymer Matrix Composite Materials Due to Material Degradation at High Temperatures by : National Aeronautics and Space Adm Nasa
Download or read book Stress and Damage in Polymer Matrix Composite Materials Due to Material Degradation at High Temperatures written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-10-18 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes analytical methods for calculating stresses and damage caused by degradation of the matrix constituent in polymer matrix composite materials. Laminate geometry, material properties, and matrix degradation states are specified as functions of position and time. Matrix shrinkage and property changes are modeled as functions of the degradation states. The model is incorporated into an existing composite mechanics computer code. Stresses, strains, and deformations at the laminate, ply, and micro levels are calculated, and from these calculations it is determined if there is failure of any kind. The rationale for the model (based on published experimental work) is presented, its integration into the laminate analysis code is outlined, and example results are given, with comparisons to existing material and structural data. The mechanisms behind the changes in properties and in surface cracking during long-term aging of polyimide matrix composites are clarified. High-temperature-material test methods are also evaluated. McManus, Hugh L. and Chamis, Christos C. Glenn Research Center RTOP 505-62-10...
Book Synopsis Stress and Damage in Polymer Matrix Composite Materials Due to Material Degradation at High Temperatures by : Hugh L. N. McManus
Download or read book Stress and Damage in Polymer Matrix Composite Materials Due to Material Degradation at High Temperatures written by Hugh L. N. McManus and published by . This book was released on 1993 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical methods are described for calculating stresses and damage in polymer matrix composite materials caused by degradation of the matrix constituent. Laminate geometry, material properties, and matrix degradation state as functions of position and time are specified. A model of matrix shrinkage and property changes as functions of the degradation state is used. The model has been incorporated into an existing composite mechanics computer code. Stresses, strains, and deformations at the laminate, ply, and micro levels are calculated, and it is determined if failure of any kind occurs. The rational for the model, based on published experimental work, is presented, its integration into the laminate analysis code outlined, and example results given, with comparisons to existing material and structural data. The mechanisms behind the changes in properties and surface cracking observed during long-term aging of polyimide matrix composites are clarified, and high temperature material test methods are evaluated.
Book Synopsis Environmental Degradation of Industrial Composites by : Celine A Mahieux
Download or read book Environmental Degradation of Industrial Composites written by Celine A Mahieux and published by Elsevier. This book was released on 2005-12-14 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thanks to their low density and tailored properties, polymer matrix composites are attractive candidates for a large number of industrial applications ranging from aerospace to transportation and energy. However, the behaviour of polymer-based materials is strongly affected by a number of environmental factors. Environmental Degradation in Industrial Composites provides vital information on the effects of environmental factors such as temperature, liquid and gas exposure, electrical fields and radiations, and how micro- and micromechanical calculations during design and manufacture must take these effects into account. The book concludes with reviews on standard and specific testing methods for the various environmental factors and their combinations, helping mechanical/materials engineers and specifiers to predict possible changes due to environmental conditions. Each chapter is supplemented by industrial case studies to help in the understanding of degradation of composites in real life situations.This book will help you to...* Understand how environmental factors lead to degradation effects in polymer matrix composite structures* Build these factors into calculations when predicting the part performance and lifetime of structures* Compare real-life situations from case studies with your predicted results* Predict probable composite behaviour with greater accuracyThis book will help you to...* Understand how environmental factors lead to degradation effects in polymer matrix composite structures* Build these factors into calculations when predicting the part performance and lifetime of structures* Compare real-life situations from case studies with your predicted results* Predict probable composite behaviour with greater accuracy
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 208 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
Book Synopsis High Temperature and Environmental Effects on Polymeric Composites by : Thomas S. Gates
Download or read book High Temperature and Environmental Effects on Polymeric Composites written by Thomas S. Gates and published by ASTM International. This book was released on 1997 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress in Durability Analysis of Composite Systems by : K.L. Reifsnider
Download or read book Progress in Durability Analysis of Composite Systems written by K.L. Reifsnider and published by CRC Press. This book was released on 1998-01-01 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Thermal and Mechanical Analysis of Polymer Matrix Composite Materials Exposed to a Concentrated Heat Source for a Short Duration by : Charlotte Corlay
Download or read book Thermal and Mechanical Analysis of Polymer Matrix Composite Materials Exposed to a Concentrated Heat Source for a Short Duration written by Charlotte Corlay and published by . This book was released on 2007 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thus, for given boundary conditions of a composite material exposed to a concentrated heat source for a short duration, the degradation of the material can be estimated in terms of mechanical property changes, from the predicted thermal history of the exposed sample.
Book Synopsis Fire Properties of Polymer Composite Materials by : A. P. Mouritz
Download or read book Fire Properties of Polymer Composite Materials written by A. P. Mouritz and published by Springer Science & Business Media. This book was released on 2007-01-30 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Damage Tolerance and Durability of Material Systems by : Kenneth L. Reifsnider
Download or read book Damage Tolerance and Durability of Material Systems written by Kenneth L. Reifsnider and published by Wiley-Interscience. This book was released on 2002-04-24 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: A daring, original approach to understanding and predicting the mechanical behavior of materials "Damage is an abstraction . . . Strength is an observable, an independent variable that can be measured, with clear and familiar engineering definitions." -from the Preface to Damage Tolerance and Durability of Material Systems Long-term behavior is one of the most challenging and important aspects of material engineering. There is a great need for a useful conceptual or operational framework for measuring long-term behavior. As much a revolution in philosophy as an engineering text, Damage Tolerance and Durability of Material Systems postulates a new mechanistic philosophy and methodology for predicting the remaining strength and life of engineering material. This philosophy associates the local physical changes in material states and stress states caused by time-variable applied environments with global properties and performance. There are three fundamental issues associated with the mechanical behavior of engineering materials and structures: their stiffness, strength, and life. Treating these issues from the standpoint of technical difficulty, time, and cost for characterization, and relationship to safety, reliability, liability, and economy, the authors explore such topics as: * Damage tolerance and failure modes * Factors that determine composite strength * Micromechanical models of composite stiffness and strength * Stiffness evolution * Strength evolution during damage accumulation * Non-uniform stress states * Lifetime prediction With a robust selection of example applications and case studies, this book takes a step toward the fulfillment of a vision of a future in which the prediction of physical properties from first principles will make possible the creation and application of new materials and material systems at a remarkable cost savings.
Book Synopsis Defects and Damage in Composite Materials and Structures by : Rikard Benton Heslehurst
Download or read book Defects and Damage in Composite Materials and Structures written by Rikard Benton Heslehurst and published by CRC Press. This book was released on 2014-04-21 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advantages of composite materials include a high specific strength and stiffness, formability, and a comparative resistance to fatigue cracking and corrosion. However, not forsaking these advantages, composite materials are prone to a wide range of defects and damage that can significantly reduce the residual strength and stiffness of a structure or result in unfavorable load paths. Emphasizing defect identification and restitution, Defects and Damage in Composite Materials and Structures explains how defects and damage in composite materials and structures impact composite component performance. Providing ready access to an extensive, descriptive list of defects and damage types, this must-have reference: Examines defect criticality in composite structures Recommends repair actions to restore structural integrity Discusses failure modes and mechanisms of composites due to defects Reviews NDI processes for finding and identifying defects in composite materials Relating defect detection methods to defect type, the author merges his experience in the field of in-service activities for composite airframe maintenance and repair with indispensable reports and articles on defects and damage in advanced composite materials from the last 50 years.
Book Synopsis Fatigue of Composite Materials by : K.L. Reifsnider
Download or read book Fatigue of Composite Materials written by K.L. Reifsnider and published by Elsevier. This book was released on 2012-12-02 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the first comprehensive review of its kind on the long-term behaviour of composite materials and structures subjected to time variable mechanical, thermal, and chemical influences, a subject of critical importance to the design, development, and certification of high performance engineering structures. Specific topics examined include damage, damage characterization, and damage mechanics; fatigue testing and evaluation; fatigue behaviour of short and long fibre reinforced polymer and metal matrix materials; viscoelastic and moisture effects; delamination; statistical considerations; the modeling of cumulative damage development; and life prediction. The volume provides an extensive presentation of data, discussions, and comparisons on the behaviour of the major types of material systems in current use, as well as extensive analysis and modeling (including the first presentation of work not found elsewhere). The book will be of special interest to engineers concerned with reliability, maintainability, safety, certification, and damage tolerance; to materials developers concerned with making materials for long-term service, especially under severe loads and environments, and to lecturers, students, and researchers involved in material system design, performance, solid mechanics, fatigue, durability, and composite materials. The scope of the work extends from entry level material to the frontiers of the subject.
Book Synopsis High Temperature Polymer Matrix Composites by : Tito T. Serafini
Download or read book High Temperature Polymer Matrix Composites written by Tito T. Serafini and published by William Andrew. This book was released on 1987 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Time Dependent and Nonlinear Effects in Polymers and Composites by : Richard Allan Schapery
Download or read book Time Dependent and Nonlinear Effects in Polymers and Composites written by Richard Allan Schapery and published by ASTM International. This book was released on 2000 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Improved reliability in commercial and military applications requires improved understanding of and predictive models for the time- dependent and nonlinear mechanical behavior of polymeric composites. The May 1998 American Society for Testing and Materials symposium sought to fuse the efforts in this direction of specialists in polymers and composites; these 18 papers are therefore grouped under the subheadings of polymers and composites. Primary polymer topics are chemical and physical aging, nonlinear viscoelasticity, and viscoplasticity. Composites' issues include: the effect of physical aging on time-dependent behavior, multiaxial nonlinear effects, compressive behavior, nonlinear viscoelasticity and viscoplasticity, failure mechanisms, hygrothermal effects, durability, and accelerated strength testing. Schapery is affiliated with the U. of Texas at Austin, and Sun is at Purdue U. Annotation copyrighted by Book News, Inc., Portland, OR.
Book Synopsis Adaptive Structures, Eighth Japan/US Conference Proceedings by : Golam M. Newaz
Download or read book Adaptive Structures, Eighth Japan/US Conference Proceedings written by Golam M. Newaz and published by CRC Press. This book was released on 2019-11-28 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1998. A collection of papers presented at the Proceedings of the Eighth Japan-U.S. Conference On Composite Materials, SEPTEMBER 24 to 25 , 1998. The conference is organized by Wayne State University and American Society for Composites in cooperation with U.S. Organizing Committee and the Japanese Organizing Committee. Since the Seventh Meeting in Kyoto in 1995, this meeting brings together accomplished composite researchers between the two countries to share latest developments and advances in the field. The scope of the current conference ranges over all aspects of composite materials with some emphasis on infrastructure applications of composites. Key areas in composites are covered by 110 papers with 35 presentations from Japan.
Book Synopsis Polymer Matrix Composites and Technology by : Ru-Min Wang
Download or read book Polymer Matrix Composites and Technology written by Ru-Min Wang and published by Elsevier. This book was released on 2011-07-14 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Nontraditional Methods of Sensing Stress, Strain, and Damage in Materials and Structures by : David A. Stubbs
Download or read book Nontraditional Methods of Sensing Stress, Strain, and Damage in Materials and Structures written by David A. Stubbs and published by ASTM International. This book was released on 1997 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: These facsimiles of 16 contributions from the symposium held in May 1996 in Orlando provide information on the behavior of materials and structures. The authors describe novel ways to measure point to point deformation (or strain, when normalized), procedures for measuring crack length and the stres
