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Author : John T. Murphy
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (115 download)
Download or read book In-plane Bending Behavior of a Two-ply Composite written by John T. Murphy and published by . This book was released on 1984 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hassan Abdullah Alshahrani
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (113 download)
Download or read book Bending Behavior of Textile Thermosetting Composite Prepregs During Forming Processes written by Hassan Abdullah Alshahrani and published by . This book was released on 2017 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composite materials are increasingly replacing metals for many modern structures used in the aerospace and automotive industry. Textile composites are favored due to their superior forming capabilities to produce complex shapes. However, the formability of a textile composite is limited by failure modes, such as wrinkling, which remain challenging issues during the forming process. The ability to accurately predict wrinkles and ultimately prevent them during the forming process is highly desirable for process optimization in an industrial environment. The success or failure of composite formation is determined by the properties of the material that is undergoing the deformation. A significant amount of time and effort has been devoted to characterizing and modeling these properties. Therefore, to predict those defects, a thorough understanding of the deformation behavior of textile-woven prepregs is required. Out-of-plane bending is one of the deformation mechanisms that govern the appearance of wrinkles during composite forming. This thesis therefore presents an experimental, theoretical, and numerical study on the out-of-plane bending behavior of woven out-of-autoclave prepregs with application in forming simulations.Within this thesis, a new test method for characterizing the bending behavior of prepreg materials at forming conditions was developed based on a vertical cantilever test associated with a linear actuator and load cell. This test method allowed for sufficient control of the deflection shape, testing rates, and processing temperatures within the range of the thermosetting resin. Investigations for out-of-plane bending behavior and viscoelastic behavior in the forming process conditions were undertaken using the developed test method. Through the cantilever beam theory, where the prepreg yarn is composed of two external viscoelastic polymer plies with a linear elastic ply, a theoretical model is proposed to estimate the bending stiffness over a range of processing conditions. A new approach for considering the testing rate and temperature with respect to a reference value is also established. Experimental tests were carried out to estimate the model parameters and to validate the proposed model. The predicted bending stiffness was found to be in a good agreement with experimental values at selected conditions. However, there were slight differences due to the complexity of the undulation in the woven fabric structure. Then, a finite element model for the bending behavior of multilayered prepregs was developed by considering the actual bending behavior of the material. The prepreg ply was modeled by incorporating the characterized behavior of intra-ply shear and inter-ply friction. The effect of stacking sequences on out-of-plane bending deformation during the forming process was studied experimentally and numerically. Moreover, the feasibility of using a viscoelastic approach and its application in forming simulations were analyzed.Finally, a series of real forming experiments using a double diaphragm process were carried out to investigate the formability of textile out-of-autoclave thermoset prepregs over complex geometry for aerospace applications. A one-step procedure was used for both the forming and curing processes using the same experimental setup. A finite element model was developed to simulate the double diaphragm forming process, with consideration for the diaphragm material properties at forming conditions. In addition, important considerations, such as local fiber compressive stresses, shear angle distributions, and stacking lay-up sequences, were analyzed to identify the potential causes of wrinkles in the formed parts. The resulting knowledge from the modeling methodology allowed the designers to reliably choose the appropriate stacking sequences and suitable process parameters for complex structures prior to conducting expensive trial and error tests.
Author : P.K. Mallick
Publisher : CRC Press
ISBN 13 : 1482277735
Total Pages : 1262 pages
Book Rating : 4.4/5 (822 download)
Download or read book Composites Engineering Handbook written by P.K. Mallick and published by CRC Press. This book was released on 1997-03-19 with total page 1262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers information on the fundamental principles, processes, methods and procedures related to fibre-reinforced composites. The book presents a comparative view, and provides design properties of polymeric, metal, ceramic and cement matrix composites. It also gives current test methods, joining techniques and design methodologies.
Author : Srinivasan Sridharan
Publisher : Elsevier
ISBN 13 : 1845694821
Total Pages : 787 pages
Book Rating : 4.8/5 (456 download)
Download or read book Delamination Behaviour of Composites written by Srinivasan Sridharan and published by Elsevier. This book was released on 2008-10-21 with total page 787 pages. Available in PDF, EPUB and Kindle. Book excerpt: Given such advantages as low weight compared to strength and toughness, laminated composites are now used in a wide range of applications. Their increasing use has underlined the need to understand their principal mode of failure, delamination. This important book reviews key research in understanding and preventing delamination. The first part of the book reviews general issues such as the role of fracture mechanics in understanding delamination, design issues and ways of testing delamination resistance. Part two describes techniques for detecting and characterising delamination such as piezoelectric sensors, the use of lamb waves and acoustic emission techniques. The next two sections of the book discuss ways of studying and modelling delamination behaviour. The final part of the book reviews research on delamination behaviour in particular conditions such as shell and sandwich structures, z-pin bridging and resin bonding. With its distinguished editor and international team of contributors, Delamination behaviour of composites is a standard reference for all those researching laminated composites and using them in such diverse applications as microelectronics, aerospace, marine, automotive and civil engineering. Reviews the role of fracture mechanics in understanding delamination, design issues and ways of testing delamination resistance Discuss ways of studying and modelling delamination behaviour A standard reference for all those researching laminated composites
Author : Holm Altenbach
Publisher : Springer Science & Business Media
ISBN 13 : 3662085895
Total Pages : 487 pages
Book Rating : 4.6/5 (62 download)
Download or read book Mechanics of Composite Structural Elements written by Holm Altenbach and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laminate and sandwich structures are typical lightweight elements with rapidly ex panding application in various industrial fields. In the past, these structures were used primarily in aircraft and aerospace industries. Now, they have also found ap plication in civil and mechanical engineering, in the automotive industry, in ship building, the sport goods industries, etc. The advantages that these materials have over traditional materials like metals and their alloys are the relatively high specific strength properties (the ratio strength to density, etc). In addition, the laminate and sandwich structures provide good vibration and noise protection, thermal insulation, etc. There are also disadvantages - for example, composite laminates are brittle, and thejoining of such elements is not as easy as with classical materials. The recycling of these materials is also problematic, and a viable solution is yet to be developed. Since the application of laminates and sandwiches has been used mostly in new technologies, governmental and independent research organizations, as well as big companies, have spent a lot of money for research. This includes the development of new materials by material scientists, new design concepts by mechanical and civil engineers as well as new testing procedures and standards. The growing de mands of the industry for specially educated research and practicing engineers and material scientists have resulted in changes in curricula of the diploma and master courses. More and more universities have included special courses on laminates and sandwiches, and training programs have been arranged for postgraduate studies.
Author : M. H. Aliabadi
Publisher : Computational and Experimental Methods in Structures
ISBN 13 : 9781783266173
Total Pages : 241 pages
Book Rating : 4.2/5 (661 download)
Download or read book Woven Composites written by M. H. Aliabadi and published by Computational and Experimental Methods in Structures. This book was released on 2015 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique volume presents the latest developments in the field of advanced woven and braided textile composites, with particular emphasis on computational approaches (finite elements, meshfree). Advanced textile composites such as woven, braided, knitted and stitched fabrics are increasingly being used as structural materials in industrial applications due to their efficiency at reinforcing more directions within a single layer and their ability to conform to surfaces with complex curvatures. Furthermore, textile composites provide improved impact resistance, exceptional thermal, fatigue and corrosion resistance, as well as being easier and cheaper to handle and fabricate compared to UD composites. Topics covered in this book include: 2D and 3D plain, twill, satin woven and braided composites, micro-level and macro-level modelling, failure mechanisms, theoretical studies on cryogenic crack behaviour and the specific deformation modes of textile reinforcements, which include the kinematic and hypoelastic models. This book will be particularly relevant to professional engineers, graduate students and researchers interested in composite materials.
Author : Christos Kassapoglou
Publisher : John Wiley & Sons
ISBN 13 : 1119957060
Total Pages : 303 pages
Book Rating : 4.1/5 (199 download)
Download or read book Design and Analysis of Composite Structures written by Christos Kassapoglou and published by John Wiley & Sons. This book was released on 2011-07-05 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design and Analysis of Composite Structures enables graduate students and engineers to generate meaningful and robust designs of complex composite structures. Combining analysis and design methods for structural components, the book begins with simple topics such as skins and stiffeners and progresses through to entire components of fuselages and wings. Starting with basic mathematical derivation followed by simplifications used in real-world design, Design and Analysis of Composite Structures presents the level of accuracy and range of applicability of each method. Examples taken from actual applications are worked out in detail to show how the concepts are applied, solving the same design problem with different methods based on different drivers (e.g. cost or weight) to show how the final configuration changes as the requirements and approach change. Provides a toolkit of analysis and design methods to most situations encountered in practice, as well as analytical frameworks and the means to solving them for tackling less frequent problems. Presents solutions applicable to optimization schemes without having to run finite element models at each iteration, speeding up the design process and allowing examination of several more alternatives than traditional approaches. Includes guidelines showing how decisions based on manufacturing considerations affect weight and how weight optimization may adversely affect the cost. Accompanied by a website at www.wiley.com/go/kassapoglou hosting lecture slides and solutions to the exercises for instructors.
Author : Daniel Gay
Publisher : CRC Press
ISBN 13 : 1000634574
Total Pages : 646 pages
Book Rating : 4.0/5 (6 download)
Download or read book Composite Materials written by Daniel Gay and published by CRC Press. This book was released on 2022-08-31 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: For decades, Composite Materials: Design and Applications has guided readers on the efficient design of structural composite parts and has illustrated challenges encountered in modern engineering practice. The fourth edition of this perennial best-seller retains its pedagogical structure, featuring a technical level that rises in difficulty as the text progresses, while allowing each part to be explored independently, but has been updated to mirror recent advances and developments in manufacturing processes and applications. Gives numerous examples of the pre-sizing of composite parts, processed from industrial cases and reworked to highlight key information Provides a design method to define composite multilayered plates under loading, along with all numerical information needed for implementation Includes test cases for the validation of computer software using finite elements Proposes original study of composite beams of any section shapes and of transverse shear behavior of laminates, leading to technical formulations that are not found in the literature Reflects the latest manufacturing processes and applications in the aerospace, automotive, naval, wind turbine, and sporting goods industries, and now features new details on the recycling of composites and additive manufacturing Offers new coverage of ceramic-matrix composites and new concepts for design of laminates, including Double-Double and tapered laminates by means of Tsai homogenization This book serves as a textbook for advanced students studying composite materials design, as well as a handy reference for industry professionals working with composite materials.
Author : M. Jono
Publisher : Elsevier
ISBN 13 : 1483294137
Total Pages : 3510 pages
Book Rating : 4.4/5 (832 download)
Download or read book Mechanical Behaviour of Materials - VI written by M. Jono and published by Elsevier. This book was released on 2013-10-22 with total page 3510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Significant progress in the science and technology of the mechanical behaviour of materials has been made in recent years. The greatest strides forward have occurred in the field of advanced materials with high performance, such as ceramics, composite materials, and intermetallic compounds. The Sixth International Conference on Mechanical Behaviour of Materials (ICM-6), taking place in Kyoto, Japan, 29 July - 2 August 1991 addressed these issues. In commemorating the fortieth anniversary of the Japan Society of Materials Science, organised by the Foundation for Advancement of International Science and supported by the Science Council of Japan, the information provided in these proceedings reflects the international nature of the meeting. It provides a valuable account of recent developments and problems in the field of mechanical behaviour of materials.
Author :
Publisher :
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Shock and Vibration Bulletin written by and published by . This book was released on 1977 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 592 pages
Book Rating : 4.:/5 (26 download)
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1974 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andreas Mortensen
Publisher : Elsevier
ISBN 13 : 0080524621
Total Pages : 989 pages
Book Rating : 4.0/5 (85 download)
Download or read book Concise Encyclopedia of Composite Materials written by Andreas Mortensen and published by Elsevier. This book was released on 2006-12-08 with total page 989 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concise Encyclopedia of Composite Materials draws its material from the award-winning Encyclopedia of Materials: Science and Technology, and includes updates and revisions not available in the original set. This customized collection of articles provides a handy reference for materials scientists and engineers with an interest in composite materials made from polymers, metals, ceramics, carbon, biocomposites, nanocomposites, wood, cement, fibers, etc. Brings together articles from the Encyclopedia of Materials: Science & Technology that focus on the essentials of composite materials, including recent updates Every article has been commissioned and written by an internationally recognized expert and provides a concise overview of a particular aspect of the field Enables rapid reference; extensive bibliographies, cross-referencing and indexes guide the user to the most relevant reading in the primary literature Covers areas of active research, such as biomaterials and porous materials
Author : Peng Wang
Publisher : Elsevier
ISBN 13 : 0443215790
Total Pages : 667 pages
Book Rating : 4.4/5 (432 download)
Download or read book Advanced Structural Textile Composites Forming written by Peng Wang and published by Elsevier. This book was released on 2024-09-06 with total page 667 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Structural Textile Composites Forming: Characterization, Modeling, and Simulation comprehensively describes the influence of fiber/fabric architectures and properties on composites forming, along with their deformability and structural optimization, covering the latest advances in the composites forming field. Part one reviews textile reinforcement architectures and discusses the forming behaviors of important 2D and 3D fabrics. Part two discusses numerical models to conduct simulation analysis of different structural composites forming at mesoscopic and macroscopic scales, in particular, 3D preforms with through-the-thickness yarns. Part three looks at the latest developments in the relationship between forming and other steps in composite manufacturing, such as resin injection, and automated fiber placement (AFP) and the effects on certain mechanical properties, such as structural damage and impact resistance. The book will be an essential reference for academic researchers, industrial engineers and materials scientists working with the manufacture and design of fiber-reinforced composite materials. Describes the influence of the fiber/fabric architectures and properties on composites forming, along with their deformability and structural optimization Provides numerical modeling and simulation of different fiber-reinforced composites forming at mesoscopic and macroscopic scales, in particular, reinforcements with discontinue fibers, and 3D preforms with through-the-thickness yarns Discusses cutting edge topics such as resin injection, and automated fiber placement (AFP) and the effects of forming results on mechanical properties such as structural damage and impact resistances
Author : Catalin Picu
Publisher : Springer
ISBN 13 : 3030238466
Total Pages : 193 pages
Book Rating : 4.0/5 (32 download)
Download or read book Mechanics of Fibrous Materials and Applications written by Catalin Picu and published by Springer. This book was released on 2019-07-31 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book explores the state of the art in the mechanics of fibrous media, providing an overview of the theoretical, modelling and practical aspects of designing and working with these materials. It also describes the advanced methods needed to handle their specific features, including the mechanics of generalized continua, dedicated homogenization methods and computational techniques, and presents applications of fibrous media to diverse fields and over a broad spectrum of scales, ranging from aeronautics to biomechanics.
Author : S.T. Peters
Publisher : Springer Science & Business Media
ISBN 13 : 1461563895
Total Pages : 1135 pages
Book Rating : 4.4/5 (615 download)
Download or read book Handbook of Composites written by S.T. Peters and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 1135 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today, fiber reinforced composites are in use • properties of different component (fiber, in a variety of structures, ranging from space matrix, filler) materials; craft and aircraft to buildings and bridges. • manufacturing techniques; This wide use of composites has been facili • analysis and design; tated by the introduction of new materials, • testing; improvements in manufacturing processes • mechanically fastened and bonded joints; and developments of new analytical and test • repair; ing methods. Unfortunately, information on • damage tolerance; these topics is scattered in journal articles, in • environmental effects; conference and symposium proceedings, in and disposal; • health, safety, reuse, workshop notes, and in government and com • applications in: pany reports. This proliferation of the source - aircraft and spacecraft; material, coupled with the fact that some of - land transportation; the relevant publications are hard to find or - marine environments; are restricted, makes it difficult to identify and - biotechnology; obtain the up-to-date knowledge needed to - construction and infrastructure; utilize composites to their full advantage. - sporting goods. This book intends to overcome these diffi Each chapter, written by a recognized expert, culties by presenting, in a single volume, is self-contained, and contains many of the many of the recent advances in the field of 'state-of-the-art' techniques reqUired for prac composite materials. The main focus of this tical applications of composites.
Author : Manoj Kumar Buragohain
Publisher : CRC Press
ISBN 13 : 1351974912
Total Pages : 1055 pages
Book Rating : 4.3/5 (519 download)
Download or read book Composite Structures written by Manoj Kumar Buragohain and published by CRC Press. This book was released on 2017-08-15 with total page 1055 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this book is to bridge this gap by presenting the concepts in composites in an integrated and balanced manner and expose the reader to the total gamut of activities involved in composite product development. It includes the complete know-how for development of a composite product including its design & analysis, manufacture and characterization, and testing.The book has fourteen chapters that are divided into two parts with part one describing mechanics, analytical methods in composites and basic finite element procedure, and the second part illustratesr materials, manufacturing methods, destructive and non-destructive tests and design.
Author :
Publisher :
ISBN 13 :
Total Pages : 798 pages
Book Rating : 4.:/5 (318 download)
Download or read book A Collection of Technical Papers: Structures written by and published by . This book was released on 1990 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
