Assessment Of Industry Practices For Aircraft Bonded Joints And Structures
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| Author | : |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2005 |
| Genre | : Adhesive joints |
| ISBN | : |
This report highlights ongoing efforts by the aircraft industry and government agencies to combine their adhesive bonding experiences and technical insights to gain mutual safety benefits. A large part of this report consists of documentation supplied as part of a survey to benchmark industry practices and collect information on the critical safety issues and certification considerations for bonded aircraft structures and repairs. Representatives from 38 companies with experience and history in adhesive bonding manufacturing and repair practices responded to the survey questionnaire that addresses the use of adhesive bonding in structural applications such as original part or assembly designs and repairs. This report also features documentation from an accompanying workshop that was sponsored by the Federal Aviation Administration that provided additional information to benchmark bonded structures as part of ongoing composite safety and certification initiatives. The primary objective of the workshop was to document the technical details that need to be addressed for bonded structures, including critical safety issues and certification considerations. Examples of proven engineering practices used to address specific technical concerns were documented as a secondary objective. The process to benchmark existing technology should also provide directions for future research and developments in the field.
| Author | : Chun Hui Wang |
| Publisher | : Academic Press |
| Total Pages | : 307 |
| Release | : 2015-10-10 |
| Genre | : Technology & Engineering |
| ISBN | : 0124171729 |
Bonded Joints and Repairs to Composite Airframe Structures is a single-source reference on the state-of-the-art in this rapidly growing area. It provides a thorough analysis of both internal and external joints and repairs, as well as discussions on damage tolerance, non-destructive inspection, self-healing repairs, and other essential information not only on the joints and repairs themselves, but critically, on how they differ from bonds and repairs to metallic aircraft. Authors Wang and Duong bring a valuable combination of academic research and industry expertise to the book, drawing on their cutting-edge composite technology experience, including analytic and computational leadership of damage and repair planning for the Boeing 787. Intended for graduate students, engineers, and scientists working on the subject in aerospace industry, government agencies, research labs, and academia, the book is an important addition to the limited literature in the field. - Offers rare coverage of composite joints and repairs to composite structures, focusing on the state of the art in analysis - Combines the academic, government, and industry expertise of the authors, providing research findings in the context of current and future applications - Covers internal and external joints and repairs, as well as damage tolerance, non-destructive inspection, and self-healing repairs - Ideal for graduate students, engineers, and scientists working in the aerospace industry, government agencies, research labs, and academia
| Author | : Welchy Leite Cavalcanti |
| Publisher | : Springer Nature |
| Total Pages | : 364 |
| Release | : 2021-06-03 |
| Genre | : Technology & Engineering |
| ISBN | : 3319928104 |
This book is open access under a CC BY 4.0 license. It presents the results of the ComBoNDT European project, which aimed at the development of more secure, time- and cost-saving extended non-destructive inspection tools for carbon fiber reinforced plastics, adhered surfaces and bonded joints. The book reports the optimal use of composite materials to allow weight savings, reduction in fuel consumptions, savings during production and higher cost efficiency for ground operations.
| Author | : Liyong Tong |
| Publisher | : Springer |
| Total Pages | : 288 |
| Release | : 2014-02-23 |
| Genre | : Technology & Engineering |
| ISBN | : 9781461373360 |
254 7. 2 AEROSPACE 261 7. 3 MARINE 265 7. 4 GROUND TRANSPORTATION 268 7. 5 CNIL 270 References 285 Index Preface Most structures consist of an assembly of a number of individual components that must be connected to form an integral load transmission path. These connections are often referred to as joints and can be achieved in a variety of forms, e. g. by bolting, riveting, or other forms of mechanical fastening, or by welding or brazing for connecting metallic elements, or by adhesive bonding. No matter what forms of connections are used in the structure, these joints are potentially the weakest points in the structure and the locations where a weight penalty may apply. Thus structural joints must be designed adequately to meet the specific design requirements. Adhesive bonding represents one of the most important enabling technologies for developing innovative design concepts and structural configurations as well as exploiting new materials. The evolution of adhesive bonding technology, and its current knowledge base, was made possibly by the explosive growth in the adhesive applications in a great variety of industries over the past few decades. While it is easy for everyone to identify examples of adhesive bonding in the world around us, analysis and design of structural bonded joints represent one of the most challenging jobs in structural design and manufacturing. Compared to other joining methods, particularly mechanical fastening, adhesive bonding can offer substantial performance and economic advantages.
| Author | : Lucas F. M. da Silva |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 335 |
| Release | : 2008-10-14 |
| Genre | : Science |
| ISBN | : 354079056X |
A lot of recent developments have been made about adhesively bonded joints modeling using various methods of analysis. The increasing application of adhesives in industry is partly due to the increased sophistication and reliability of adhesive joints modeling. The book proposed intends to provide the designer with the most advanced stress analyses techniques in adhesive joints to reinforce the use of this promising bonding technique.
| Author | : A. Baker |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 224 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 9400927525 |
The conventional approach to through-life-support for aircraft structures can be divided into the following phases: (i) detection of defects, (ii) diagnosis of their nature and significance, (iii) forecasting future behaviour-prognosis, and (iv) pre scription and implementation of remedial measures including repairs. Considerable scientific effort has been devoted to developing the science and technology base for the first three phases. Of particular note is the development of fracture mechanics as a major analytical tool for metals, for predicting residual strength in the presence of cracks ( damage tolerance) and rate of crack propagation under service loading. Intensive effort is currently being devoted to developing similar approaches for fibre composite structures, particularly to assess damage tolerance and durability in the presence of delamination damage. Until recently there has been no major attempt to develop a science and tech nology base for the last phase, particularly with respect to the development of repairs. Approaches are required which will allow assessment of the type and magnitude of defects amenable to repair and the influence of the repair on the stress intensity factor (or some related parameter). Approaches are also required for the development and design of optimum repairs and for assessment of their durability.
| Author | : David A. Dillard |
| Publisher | : Elsevier |
| Total Pages | : 654 |
| Release | : 2010-03-31 |
| Genre | : Technology & Engineering |
| ISBN | : 1845698053 |
Adhesive bonding is often effective, efficient, and often necessary way to join mechanical structures. This important book reviews the most recent improvements in adhesive bonding and their wide-ranging potential in structural engineering.Part one reviews advances in the most commonly used groups of structural adhesives with chapters covering topics such as epoxy, polyurethane, silicone, cyanoacrylate, and acrylic adhesives. The second set of chapters covers the various types of adherends and pre-treatment methods for a range of structural materials such as metals, composites and plastics. Chapters in Part three analyse methods and techniques with topics on joint design, life prediction, fracture mechanics and testing. The final group of chapters gives useful and practical insights into the problems and solutions of adhesive bonding in a variety of hostile environments such as chemical, wet and extreme temperatures.With its distinguished editor and international team of contributors, Advances in structural adhesive bonding is a standard reference for structural and chemical engineers in industry and the academic sector. - Reviews advances in the most commonly used groups of structural adhesives including epoxy, silicone and acrylic adhesives - Examines key issues in adhesive selection featuring substrate compatibility and manufacturing demands - Documents advances in bonding metals, plastics and composites recognising problems and limitations
| Author | : Alessandro Pegoretti |
| Publisher | : SAE International |
| Total Pages | : 134 |
| Release | : 2018-08-09 |
| Genre | : Technology & Engineering |
| ISBN | : 0768092876 |
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.
| Author | : Rhys Jones |
| Publisher | : Butterworth-Heinemann |
| Total Pages | : 972 |
| Release | : 2017-12-05 |
| Genre | : Technology & Engineering |
| ISBN | : 008100544X |
Aircraft Sustainment and Repair is a one-stop-shop for practitioners and researchers in the field of aircraft sustainment, adhesively bonded aircraft joints, bonded composites repairs, and the application of cold spray to military and civil aircraft. Outlining the state-of-the-art in aircraft sustainment, this book covers the use of quantitative fractography to determine the in-service crack length versus flight hours curve, the effect of intergranular cracking on structural integrity and the structural significance of corrosion. The book additionally illustrates the potential of composite repairs and SPD applications to metallic airframes. Covers corrosion damage assessment and management in aircraft structures Includes a key chapter on U.S. developments in the emerging field of supersonic particle deposition (SPD) Shows how to design and assess the potential benefits of both bonded composite repairs and SPD repairs to metallic aircraft structures to meet the damage tolerance requirements inherent in FAA ac 20-107b and the U.S. Joint Services
| Author | : Leonard John Hart-Smith |
| Publisher | : |
| Total Pages | : 104 |
| Release | : 1982 |
| Genre | : Bolted joints |
| ISBN | : |
