Hybrid Adhesive Joints
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Hybrid Adhesive Joints
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Author : Lucas F. M. da Silva
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-27
Hybrid Adhesive Joints written by Lucas F. M. da Silva and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-27 with Technology & Engineering categories.
This volume presents treat the material science and mechanical issues of hybrid adhesive bonds which are a combination of adhesive bonding rather than mechanical fasteners. The idea of hybrid joints is to gather the advantages of the different techniques leaving out their problems. Some of the advantages of these joints are a higher static and fatigue strength and a higher stiffness with respect to simple joints, a two-stage cracking process before the final failure and improved durability. The book treats all important kinds of joints which are in use today: weld – adhesive, rivet – adhesive, clinch – adhesive, bolt – adhesive, and adhesive – adhesive. A section dedicated to threadlocking and interference-fit adhesive joints is also included. All sections are treated from a scientific point of view with modeling issues supported by simple coupons testing and a technological point of view where the idea is to present more applied results with practical cases.
Technological Aspects Of Manufacturing And Numerical Modelling Of Clinch Adhesive Joints
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Author : Tomasz Sadowski
language : en
Publisher: Springer
Release Date : 2015-05-23
Technological Aspects Of Manufacturing And Numerical Modelling Of Clinch Adhesive Joints written by Tomasz Sadowski and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-23 with Technology & Engineering categories.
This short book describes the basic technological aspects involved in the creation of purely clinch and clinch-adhesive joints made of different types of adherent materials and employing different joining technologies. Basic parameters that need to be taken into account in the design process are also presented, while a comparison of experimental testing of the hybrid joint with simple clinching for a combination of different joining materials underlines the advantages of opting for hybrid joints. The book’s conclusions will facilitate the practical application of this new fastening technology.
Joining Of Polymer Metal Hybrid Structures
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Author : Sergio T. Amancio Filho
language : en
Publisher: John Wiley & Sons
Release Date : 2018-02-06
Joining Of Polymer Metal Hybrid Structures written by Sergio T. Amancio Filho and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-06 with Technology & Engineering categories.
A comprehensive introduction to the concepts of joining technologies for hybrid structures This book introduces the concepts of joining technology for polymer-metal hybrid structures by addressing current and new joining methods. This is achieved by using a balanced approach focusing on the scientific features (structural, physical, chemical, and metallurgical/polymer science phenomena) and engineering properties (mechanical performance, design, applications, etc.) of the currently available and new joining processes. It covers such topics as mechanical fastening, adhesive bonding, advanced joining methods, and statistical analysis in joining technology. Joining of Polymer-Metal Hybrid Structures: Principles and Applications is structured by joining principles, in adhesion-based, mechanical fastened, and direct-assembly methods. The book discusses such recent technologies as friction riveting, friction spot joining and ultrasonic joining. This is used for applications where the original base material characteristics must remain unchanged. Additional sections cover the main principles of statistical analysis in joining technology (illustrated with examples from the field of polymer-metal joining). Joining methods discussed include mechanical fastening (bolting, screwing, riveting, hinges, and fits of polymers and composites), adhesive bonding, and other advanced joining methods (friction staking, laser welding, induction welding, etc.). Provides a combined engineering and scientific approach used to describe principles, properties, and applications of polymer-metal hybrid joints Describes the current developments in design of experiments and statistical analysis in joining technology with emphasis on joining of polymer-metal hybrid structures Covers recent innovations in joining technology of polymer-metal hybrid joints including friction riveting, friction spot joining, friction staking, and ultrasonic joining Principles illustrated by pictures, 3D-schemes, charts, and drawings using examples from the field of polymer-metal joining Joining of Polymer-Metal Hybrid Structures: Principles and Applications will appeal to chemical, polymer, materials, metallurgical, composites, mechanical, process, product, and welding engineers, scientists and students, technicians, and joining process professionals.
Adhesive Joining Of Structural Components
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Author : Alessandro Pegoretti
language : en
Publisher: SAE International
Release Date : 2018-08-09
Adhesive Joining Of Structural Components written by Alessandro Pegoretti and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-09 with Technology & Engineering categories.
Adhesive bonding has been used in the manufacture of primary aircraft fuselage and wing structures by various constructors since 1945. By a proper design, adhesive bonding often helps in designing structures mechanically equivalent to or even stronger than conventional assemblies. Adhesive Joining of Structural Components: New Insights and Technologies introduces the reader to some recent progress involved in adhesive joining of structural components. The chapters, seminal SAE International technical papers, cover the most recent advances in adhesive materials, surface preparation and controls, innovative bonding technologies, hybrid bonded/bolted joints, non-destructive testing and failure modelling of adhesively bonded joints. Edited by Dr. Alessandro Pegoretti, Professor of Materials Science and Technology at the University of Trento, Italy, Adhesive Joining of Structural Components: New Insights and Technologies is a must-read resource for those interested in the field of adhesive joining of structural components, which will assume an increasingly important role in designing and manufacturing lightweight structures. In fact, recent advancements in adhesives, methods for surface preparation and control, bonding technologies, non-destructive testing and modelling of failure mechanisms will certainly contribute to revitalize this relatively "mature" assembling technique.
Characterization Of Adhesive Joints For Hybrid Steel Glass Beams By Means Of Simplified Small Scale Tests
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Author : E. Preckwinkel
language : en
Publisher:
Release Date : 2012
Characterization Of Adhesive Joints For Hybrid Steel Glass Beams By Means Of Simplified Small Scale Tests written by E. Preckwinkel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Adhesive technology categories.
In the recent past there have been calls for transparent and filigree structures in the building industry. Therefore, glass plays an increasing role not only in a classic way, as a space enclosing element, but also more and more in terms of offering load carrying functions. Glass beams for façade elements or floor girders, glass columns, or bracing façade elements are examples of this. To realize such architecturally attractive structures, bonded hybrid steel-glass elements have been developed in which each material is used in an optimized way according to its material properties. Promising examples for such bonded structures are I-beams in which steel flanges and glass webs are connected by linear adhesive bonds. The shear force is carried by the glass web, whereas the bending capacity of the hybrid beam is significantly increased by slender steel flanges compared to the pure glass pane. The shear forces between steel and glass are sustained only by the adhesive between them. In order to maximize the exploitation of both steel and glass, the adhesive on the one hand has to ensure an adequate stiffness but on the other hand has to be flexible enough to allow for a reduction or redistribution of local stress peaks, as well as other constraints such as thermal dilatation. However, the load-bearing capacity of such beams is governed, besides by the mechanical and geometrical characteristics of the adhesive joint, by aging, temperature, and creeping. In this contribution, an approach is shown for characterizing the adhesive joints for hybrid steel-glass beams by means of simplified small-scale tests. Standardized specimens (block shear and tension bulk specimens) and small-scale push-out tests are used to derive adequate mechanical values for analytical and numerical calculations, allowing one to draw conclusions regarding the general load carrying behavior of large-scale hybrid steel-glass beams. The results show that full-scale hybrid steel-glass beams, especially those with butt splice bonded and U-bonded geometries, are feasible using new structural adhesives, predominantly elasto-plastics such as polyurethanes or epoxy resins.
Adhesively Bonded Joints In Hybrid Structures
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Author : Tiago Ribeiro
language : en
Publisher:
Release Date : 2016-01-16
Adhesively Bonded Joints In Hybrid Structures written by Tiago Ribeiro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-16 with categories.
Advanced Joining Processes
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Author : Lucas F. M. da Silva
language : en
Publisher: Elsevier
Release Date : 2020-10-31
Advanced Joining Processes written by Lucas F. M. da Silva and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-31 with Technology & Engineering categories.
Advanced Joining Processes: Welding, Plastic Deformation, and Adhesion brings together a range of advanced thermal, mechanical, and chemical methods of joining, offering an up-to-date resource for those looking to understand and utilize the very latest techniques. Efficient joining techniques are critical to a range of innovative applications, with technology in constant development. The first section of the book provides in-depth information on advanced welding techniques, including friction stir, explosive, ultrasonic, laser, electron beam, and computational weld analysis and fatigue of structures. The second section highlights key developments in joining by plastic deformation, adhesive bonding, and hybrid joining. The coverage of each technique is supported by practical guidance, detailed analysis, and finite element simulations. This is an essential reference for researchers and advanced students in joining, welding, adhesion, materials processing, mechanical engineering, plastics engineering, manufacturing, civil engineering, and automotive/aerospace engineering, as well as engineers, scientists, and R&D professionals, using joining, welding, and adhesion methods, across a range of industries. Presents the latest research findings and developments across welding, joining by plastic deformation, and adhesion Includes state-of-the-art methods, such as laser, ultrasonic and electron beam welding, hybrid joining, and the use of electromagnetic pulses Offers practical guidance, detailed analysis, and finite element simulations, for all techniques covered
Adhesives
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Author : Dario Croccolo
language : en
Publisher: Nova Science Publishers
Release Date : 2014
Adhesives written by Dario Croccolo and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Adhesives categories.
In this book, some interesting technologies and applications dedicated to adhesives are presented and discussed. First, the interference fitted and adhesively bonded joints are extensively studied as an effective means to increase the transferable load while reducing both the weight and the stress level of the joined components. In such type of joints, the influence of the assembly technique on the shear strength of the joints has been investigated. Therefore, the shear strength of hybrid joints realised by 'press fitting', by 'shrink fitting' or by 'cryogenic fitting' were compared in order to suggest the best way of joining both for technological and economic importance. Then, some design aspects for practical application (for instance in the automotive steel wheel) were analysed. The adhesive and interference contributions to the resultant resistance of the hybrid joint were carried out with particular attention to the phenomena occurring at the interface. The effect of the adhesive nature, its curing technology and its mechanical response were strongly related to the type of adhesive exploited. Also, the static and fatigue strength properties of press fitted and adhesively bonded joints was studied by considering their Engagement Ratio, which is the ratio between the coupling length and the coupling diameter. Coupling and decoupling tests have been performed both on press-fitted and adhesively bonded specimens and on pin-collar samples, considering four different levels for the Engagement Ratio.
Mechanical Characterization Of Flexible Adhesive And Its Influence On Hybrid Joint Design
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Author : Gyu-hyeong Lim
language : en
Publisher:
Release Date : 2016
Mechanical Characterization Of Flexible Adhesive And Its Influence On Hybrid Joint Design written by Gyu-hyeong Lim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
"This study investigates the properties of flexible epoxy adhesives and their applicability in the design of hybrid bolted/bonded joints. There is increasing interest in using flexible adhesives for joint design, due to their ductility that enables significant elongation before failure. Generally, the behaviour of ductile adhesive involves considerable nonlinearities including large deformation, nonlinear material properties and plasticity. Analysis of flexible adhesives is more challenging than that of stiff adhesives, which is sufficiently described by linear elasticity and infinitesimal strain theory. The present study experimentally characterizes EA9361, selected as the representative material for flexible epoxy adhesives. The tensile tests, based on ASTM D638, generate stress/strain relation and also measure the evolution of Poisson's ratio throughout the strain until failure. From the stress/strain curve of the tensile tests, distinct yielding is observed. Therefore, in order to further understand the yielding nature of the epoxy adhesive, biaxial tests are then performed using a custom-designed Arcan fixture. While the biaxial tests try to capture yield stresses at different levels of biaxial loading, sharp stress concentrations are developed in the adhesive due to the constraint effects caused by high Poisson's ratio. Consequently, the values of the measured yield stresses are severely underestimated except for the pure shear case. From the pure shear case, the shear stress/strain relation is presented. Also tested is the adhesive under tension-tension cyclic loading in order to investigate the evolution of material properties through repeated cycles of plastic deformation. The results show that the material response converges in the presence of yielding and significant viscous effects. In addition to the above material characterizations, hybrid bolted/bonded joints are tested under cyclic loading in order to simulate in-situ application of a flexible adhesive. The results of the joint testing show that, despite the complex adhesive's response due to yielding and viscous effects, proper use of flexible epoxy adhesives could help design hybrid joints that operate at higher efficiency. Additionally, a new methodology to measure adhesive strain for a very thin adhesive bondline is proposed, and the custom-designed testing and manufacturing devices are introduced." --
Structural Adhesive Joints In Engineering
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Author : R. D. Adams
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Structural Adhesive Joints In Engineering written by R. D. Adams and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The intention of this book is that it should contain everything an engineer needs to know to be able to design and produce adhesively bonded joints which are required to carry significant loads. The advan tages and disadvantages of bonding are given, together with a sufficient understanding of the necessary mechanics and chemistry to enable the designer to make a sound engineering judgement in any particular case. The stresses in joints are discussed extensively so that the engineer can get sufficient philosophy or feel for them, or can delve more deeply into the mathematics to obtain quantitative solutions even with elasto plastic behaviour. A critical description is given of standard methods of testing adhesives, both destructively and non-destructively. The essen tial chemistry of adhesives and the importance of surface preparation are described and guidance is given for adhesive selection by me ans of check lists. For many applications, there will not be a unique adhesive which alone is suitable, and factors such as cost, convenience, produc tion considerations or familiarity may be decisive. A list of applications is given as examples. The authors wish to increase the confidence of engineers using adhesive bonding in load-bearing applications by the information and experience presented. With increasing experience of adhesives en gineering, design will become more elegant as weH as more fitted to its products.