Sandwich Structures 7: Advancing with Sandwich Structures and Materials
Sandwich Structures 7: Advancing with Sandwich Structures and Materials

Author: O.T. Thomsen

Publisher: Springer Science & Business Media

Published: 2006-01-16

Total Pages: 1029

ISBN-13: 1402038488

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Sandwich structures represent a special form of a laminated composite material or structural elements, where a relatively thick, lightweight and compliant core material separates thin stiff and strong face sheets. The faces are usually made of laminated polymeric based composite materials, and typically, the core can be a honeycomb type material, a polymeric foam or balsa wood. The faces and the core are joined by adhesive bonding, which ensures the load transfer between the sandwich constituent parts. The result is a special laminate with very high bending stiffness and strength to weight ratios. Sandwich structures are being used successfully for a variety of applications such as spacecraft, aircraft, train and car structures, wind turbine blades, boat/ship superstructures, boat/ship hulls and many others. The overall objective of the 7th International Conference on Sandwich Structures (ICSS-7) is to provide a forum for the presentation and discussion of the latest research and technology on all aspects of sandwich structures and materials, spanning the entire spectrum of research to applications in all the fields listed above.

Sandwich Structural Composites
Sandwich Structural Composites

Author: Wenguang Ma

Publisher: CRC Press

Published: 2021-12-15

Total Pages: 495

ISBN-13: 1000484610

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Sandwich Structural Composites: Theory and Practice offers a comprehensive coverage of sandwich structural composites. It describes the structure, properties, characterization, and testing of raw materials. In addition, it discusses design and process methods, applications and damage assessments of sandwich structural composites. The book: Offers a review of current sandwich composite lamination processes and manufacturing methods Introduces raw materials, including core materials, skin reinforcements, resin substrates and adhesives Discusses sandwich structure characterization, finite element analysis of the structures, and product design and optimization Describes benefits other than structural, including acoustic, thermal, and fire Details applications in various industries, including aerospace, wind energy, marine ships, recreational boats and vehicles, sport equipment, building construction, and extreme temperature applications The book will be of benefit to industrial practitioners, researchers, academic faculty, and advanced students in materials and mechanical engineering and related disciplines looking to advance their understanding of these increasingly important materials.

Sandwich Composites
Sandwich Composites

Author: Senthilkumar Krishnasamy

Publisher: CRC Press

Published: 2022-01-25

Total Pages: 407

ISBN-13: 1000531686

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A composite sandwich panel is a hybrid material made up of constituents such as a face sheet, a core, and adhesive film for bonding the face sheet and core together. Advances in materials have provided designers with several choices for developing sandwich structures with advanced functionalities. The selection of a material in the sandwich construction is based on the cost, availability, strength requirements, ease of manufacturing, machinability, and post-manufacturing process requirements. Sandwich Composites: Fabrication and Characterization provides insights into composite sandwich panels based on the material aspects, mechanical properties, defect characterization, and secondary processes after the fabrication, such as drilling and repair. FEATURES Outlines existing fabrication methods and various materials aspects Examines composite sandwich panels made of different face sheets and core materials Covers the response of composite sandwich panels to static and dynamic loads Describes parameters governing the drilling process and repair procedures Discusses the applications of composite sandwich panels in various fields Explores the role of 3D printing in the fabrication of composite sandwich panels Due to the wide scope of the topics covered, this book is suitable for researchers and scholars in the research and development of composite sandwich panels. This book can also be used as a reference by professionals and engineers interested in understanding the factors governing the material properties, material response, and the failure behavior under various mechanical loads.

Dynamic Failure of Composite and Sandwich Structures
Dynamic Failure of Composite and Sandwich Structures

Author: Serge Abrate

Publisher: Springer

Published: 2012-11-02

Total Pages: 643

ISBN-13: 9789400753303

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This book presents a broad view of the current state of the art regarding the dynamic response of composite and sandwich structures subjected to impacts and explosions. Each chapter combines a thorough assessment of the literature with original contributions made by the authors. The first section deals with fluid-structure interactions in marine structures. The first chapter focuses on hull slamming and particularly cases in which the deformation of the structure affects the motion of the fluid during the water entry of flexible hulls. Chapter 2 presents an extensive series of tests underwater and in the air to determine the effects of explosions on composite and sandwich structures. Full-scale structures were subjected to significant explosive charges, and such results are extremely rare in the open literature. Chapter 3 describes a simple geometrical theory of diffraction for describing the interaction of an underwater blast wave with submerged structures. The second section addresses the problem of impact on laminated composite structures with chapters devoted to ballistic impacts on pre-stressed composite structures, tests developed to simulate dynamic failure in marine structures, damage mechanisms and energy absorption in low velocity impacts, perforation, the numerical simulation of intra and inter-ply damage during impact, and hail impact on laminated composites. Sandwich structures with laminated facings are considered in Section 3 with chapters dealing with the discrete modeling of honeycomb core during the indentation of sandwich structures, the behavior of fold core sandwich structures during impact, and impact on helicopter blades. The fourth section consists of two chapters presenting experimental results and numerical simulation of composite structures subjected to crash. This volume is intended for advanced undergraduate and graduate students, researchers, and engineers interested and involved in analysis and design of composite structures.

Structural Health Monitoring/Management (SHM) in Aerospace Structures
Structural Health Monitoring/Management (SHM) in Aerospace Structures

Author: Fuh-Gwo Yuan

Publisher: Elsevier

Published: 2024-04-30

Total Pages: 536

ISBN-13: 0443191492

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Structural Health Monitoring (SHM) Management in Aerospace and Civil Structures provides readers with the spectacular progress that has taken place over the last twenty years with respect to the area of Structural Health Monitoring (SHM) Management. The SHM field encompasses transdisciplinary areas, including smart materials, sensors and actuators, damage diagnosis and prognosis, signal and image processing algorithms, wireless intelligent sensing, data fusion, and energy harvesting. This book focuses on how SHM techniques can be applied to aircraft, mechanical and civil engineering structures with particular emphasis on composite materials.Structural Health Monitoring (SHM) Management in Aerospace and Civil Structures will be a valuable reference resource for R&D managers, materials scientists and engineers working in the aerospace sector as well as for researchers and system designers working in industry, academia and government research agencies developing new systems for the SHM of aerospace, mechanical and civil engineering structures. - Presents new developments in smart materials for sensing and actuation - Discusses new developments in mechanical metamaterials - Presents the latest on signal/imaging processing for damage diagnosis - Explores damage prognosis and integrated vehicle health management (IVHM) - Covers new developments in machine learning and artificial Intelligence

Analysis of the mechanical response of impact loaded composite sandwich structures with focus on foam core shear failure
Analysis of the mechanical response of impact loaded composite sandwich structures with focus on foam core shear failure

Author: Tim Berend Block

Publisher: Logos Verlag Berlin GmbH

Published: 2014

Total Pages: 238

ISBN-13: 3832538534

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Sandwich structures are an economically and structurally efficient way of designing large integral composite parts. In the aerospace industry pre-impregnated face sheets and honeycomb core structures can be considered as industry standard while e.g. naval structures and wind turbine blades typically use vacuum infusion technology with polymer foam cores. Application of the less costly infusion technology in the aeronautical industry requires a thorough understanding of the damage tolerance including low velocity impact as a frequent source of damaging events. At low impact energies damage in composite foam core sandwich structures is limited to core crushing and local face sheet delaminations. Higher impact energies may initiate the competing failure modes face sheet rupture and core shear failure depending on impact, geometric and material parameters. Face sheet rupture leads to severe local damage with typically good visibility, while core shear failure leads to cracks and rear face sheet debonding of the foam core with less visibility. This work investigates the low velocity impact response of sandwich structures with carbon fiber reinforced plastic (CFRP) face sheets and a polymeric foam core using experiments at room temperature and at -55° Celsius. An analytically derived failure mode map is presented as a simple tool for design guidelines while the explicit finite element method is applied for a more detailed description of the sandwich impact process. Both models are used to analyze the impact response and describe relevant sensitivity parameters of sandwich structures.

TMS 2011 140th Annual Meeting and Exhibition, Materials Fabrication, Properties, Characterization, and Modeling
TMS 2011 140th Annual Meeting and Exhibition, Materials Fabrication, Properties, Characterization, and Modeling

Author: The Minerals, Metals & Materials Society (TMS)

Publisher: John Wiley & Sons

Published: 2011-04-12

Total Pages: 987

ISBN-13: 1118062124

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Presents the most up-to-date information on the state of Materials Fabrication, Properties, Characterization, and Modeling. It's a great mix of practical applied technology and hard science, which is of invaluable benefit to the global industry.

Lightweight Sandwich Construction
Lightweight Sandwich Construction

Author: J. M. Davies

Publisher: John Wiley & Sons

Published: 2008-04-15

Total Pages: 384

ISBN-13: 0470779969

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Sandwich panels are being used increasingly as the cladding of buildings like factories, warehouses, cold stores and retail sheds. This is because they are light in weight, thermally efficient, aesthetically attractive and can be easily handled and erected. However, to date, an authoritative book on the subject was lacking. This new reference work aims to fill that gap. The designer, specifier and manufacturer of sandwich panels all require a great deal of information on a wide range of subjects. This book was written by a group of European experts under the editorship of a UK specialist in lightweight construction. It provides guidance on: * materials used in manufacture * thermal efficiency and air- and water-tightness * acoustic performance * performance in fire * durability * special problems of sandwich panels in cold stores and chill rooms * architectural and aesthetic considerations * structural design at the ultimate and serviceability limit states * additional structural considerations including fastenings, the effect of openings and the use of sandwich panels as load-bearing walls * test procedures The book concludes with some numerical design examples and is highly illustrated throughout.

Sandwich Structural Composites
Sandwich Structural Composites

Author: Wenguang Ma

Publisher: CRC Press

Published: 2021-12-15

Total Pages: 423

ISBN-13: 1000484637

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Sandwich Structural Composites: Theory and Practice offers a comprehensive coverage of sandwich structural composites. It describes the structure, properties, characterization, and testing of raw materials. In addition, it discusses design and process methods, applications and damage assessments of sandwich structural composites. The book: Offers a review of current sandwich composite lamination processes and manufacturing methods Introduces raw materials, including core materials, skin reinforcements, resin substrates and adhesives Discusses sandwich structure characterization, finite element analysis of the structures, and product design and optimization Describes benefits other than structural, including acoustic, thermal, and fire Details applications in various industries, including aerospace, wind energy, marine ships, recreational boats and vehicles, sport equipment, building construction, and extreme temperature applications The book will be of benefit to industrial practitioners, researchers, academic faculty, and advanced students in materials and mechanical engineering and related disciplines looking to advance their understanding of these increasingly important materials.

The Behavior of Sandwich Structures of Isotropic and Composite Materials
The Behavior of Sandwich Structures of Isotropic and Composite Materials

Author: JackR. Vinson

Publisher: Routledge

Published: 2018-05-04

Total Pages: 398

ISBN-13: 1351411314

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The Behavior of Sandwich Structures of Isotropic and Composite Materials presents the mathematics, descriptions, and analytical techniques in the growing field of sandwich structures. From a background in sandwich structures to thermoelastic problems of sandwich structures and sandwich shell theory, the book provides the knowledge needed to analyze, design, and optimize various sandwich structures. As one would expect from a book on sandwich structures, this volume discusses special failure modes such as face wrinkling and core shear instability. Coverage includes not only honeycomb cores, but also foam, web, and truss cores. An important topic in composite structure design, optimization is explored in two chapters on sandwich plates and sandwich shells. The author presents the optimization techniques in closed form and the methods are applicable to material selection and geometric design. The book also contains a set of problems and references at the end of each chapter. This text is ideal for engineers-in-training, as well as practical engineers who desire a comprehensive understanding of sandwich structures technology.