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This book presents the topics of major importance toward understanding the most feared failure mode in composite laminates, namely delamination. There are few books at present that describe the phenomenon of composite laminate failure by delamination in such detail.Written by pioneers and principal researchers in various aspects of composite delamination, starting from basic principles to the most current research findings, the work provides a complete study of the theoretical and experimental aspects of composite delamination in one volume.
Composite materials --- Delamination --- -Composites (Materials) --- Multiphase materials --- Reinforced solids --- Solids, Reinforced --- Two phase materials --- Materials --- -Delamination --- Delamination of composite materials --- Delamination. --- Éléments finis, Méthode des --- Finite element method --- Composites --- Rupture, Mécanique de la --- Composite materials - Delamination --- Contrainte interlaminaire --- Delaminage
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This book contains a selection of fully peer-reviewed papers which were presented at the 2nd ESIS TC4 Conference, held in Les Diablerets, Switzerland 13 - 15 September 1999. The meeting was designed to reflect the activities of the Committee over the last 15 years, and to plan future activities. The papers have been divided into four chapters under the headings of Composites, Elastic-Plastic Fracture, Adhesion, and Impact and General Fracture. These are convenient groupings, but there are many interactions between the areas, with the common theme of Fracture Mechanics underl
Composite materials --- Polymers --- Adhesive joints --- Elasticity --- Plasticity --- Fracture --- Delamination --- Glued joints --- Joints (Engineering) --- Polymere --- Polymeride --- Polymers and polymerization --- Macromolecules --- Composites (Materials) --- Multiphase materials --- Reinforced solids --- Solids, Reinforced --- Two phase materials --- Materials --- Composite materials - Fracture - Congresses --- Composite materials - Delamination - Congresses --- Polymers - Fracture - Congresses --- Adhesive joints - Congresses --- Elasticity - Congresses --- Plasticity - Congresses
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In the last quarter century, delamination has come to mean more than just a failure in adhesion between layers of bonded composite plies that might affect their load-bearing capacity. Ever-increasing computer power has meant that we can now detect and analyze delamination between, for example, cell walls in solid wood. This fast-moving and critically important field of study is covered in a book that provides everyone from manufacturers to research scientists the state of the art in wood delamination studies. Divided into three sections, the book first details the general aspects of the subject, from basic information including terminology, to the theoretical basis for the evaluation of delamination. A settled terminology in this subject area is a first key goal of the book, as the terms which describe delamination in wood and wood-based composites are numerous and often confusing. The second section examines different and highly specialized methods for delamination detection such as confocal laser scanning microscopy, light microscopy, scanning electron microscopy and ultrasonics. Ways in which NDE (non-destructive evaluation) can be employed to detect and locate defects are also covered. The book’s final section focuses on the practical aspects of this defect in a wide range of wood products covering the spectrum from trees, logs, laminated panels and glued laminated timbers to parquet floors. Intended as a primary reference, this book covers everything from the microscopic, anatomical level of delamination within solid wood sections to an examination of the interface of wood and its surface coatings. It provides readers with the perspective of industry as well as laboratory and is thus a highly practical sourcebook for wood engineers working in manufacturing as well as a comprehensively referenced text for materials scientists wrestling with the theory underlying the subject.
Composite materials -- Delamination. --- Electronic books. -- local. --- Laminated wood -- Testing. --- Wood --- Earth & Environmental Sciences --- Mechanical Engineering --- Engineering & Applied Sciences --- Forestry --- Industrial & Management Engineering --- Composite materials --- Laminated wood --- Delamination. --- Testing. --- Delamination of composite materials --- Life sciences. --- Forest products. --- Mechanics. --- Acoustics. --- Physical measurements. --- Measurement. --- Building materials. --- Life Sciences. --- Wood Science & Technology. --- Measurement Science and Instrumentation. --- Building Materials. --- Wood. --- Building construction. --- Classical Mechanics. --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Building materials --- Forest products --- Trees --- Timber --- Acoustic properties. --- Measurement . --- Architectural materials --- Architecture --- Building --- Building supplies --- Buildings --- Construction materials --- Structural materials --- Materials --- Measuring --- Mensuration --- Mathematics --- Technology --- Metrology --- Physical measurements --- Measurements, Physical --- Mathematical physics --- Measurement --- Forest production --- Botany, Economic --- Commercial products --- Raw materials
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This book investigates stability loss and buckling delamination problems of the viscoelastic composite materials and structural members made from these materials within the framework of the Three-Dimensional Linearized Theory of Stability (TDLTS). The investigation of stability loss problems is based on the study of an evolution of the initial infinitesimal imperfection in the structure of the material or of the structural members with time (for viscoelastic composites) or with external compressing forces (for elastic composites). This study is made within the scope of the Three-Dimensional Geometrically Non-Linear Theory of the Deformable Solid Body Mechanics. The solution to the corresponding boundary-value problems is presented in the series form in a small parameter which characterizes the degree of the initial imperfection. The boundary form perturbation technique is employed and nonlinear problems for the domains bounded by noncanonical surfaces are reduced to the same nonlinear problem for the corresponding domains bounded by canonical surfaces and to series subsequent linearized problems. Corresponding boundary value problems are solved by employing Laplace transformation with respect to time, analytical and numerical (FEM) methods of the system of the partial itegro-differential equations. The viscoelasticity of the materials is described through the fractional exponential operators. Numerical results on the critical time and on the critical force obtained for various problems on the stability loss of the structural members made of elastic and viscoelastic composite materials and on the stability loss in the structure of these materials are presented and discussed. As well as the results of investigations on buckling delamination problems for elastic and viscoelastic composite plates contained cracks are presented and discussed. The book has been designed for graduate students, researchers and mechanical engineers who employ composite materials in various key branches of modern industry. .
Composite materials -- Delamination. --- Composite materials. --- Composite materials --- Viscoelastic materials --- Engineering & Applied Sciences --- Chemical & Materials Engineering --- Applied Mathematics --- Materials Science --- Delamination --- Elastic properties --- Viscoelastic materials. --- Delamination. --- Elastic properties. --- Elastoviscus materials --- Viscoelastics --- Composites (Materials) --- Multiphase materials --- Reinforced solids --- Solids, Reinforced --- Two phase materials --- Delamination of composite materials --- Engineering. --- Computer mathematics. --- Continuum mechanics. --- Continuum Mechanics and Mechanics of Materials. --- Computational Mathematics and Numerical Analysis. --- Ceramics, Glass, Composites, Natural Methods. --- Materials --- Mechanics. --- Mechanics, Applied. --- Computer science --- Solid Mechanics. --- Ceramics, Glass, Composites, Natural Materials. --- Mathematics. --- Computer mathematics --- Discrete mathematics --- Electronic data processing --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Mathematics --- Ceramics. --- Glass. --- Composites (Materials). --- Amorphous substances --- Ceramics --- Glazing --- Ceramic technology --- Industrial ceramics --- Keramics --- Building materials --- Chemistry, Technical --- Clay --- Solids. --- Ceramic materials. --- Data processing. --- Ceramic industries --- Mines and mineral resources --- Solid state physics --- Transparent solids
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