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Friction Stir Superplasticity for Unitized Structures

Friction Stir Superplasticity for Unitized Structures
  • Author : Zongyi Ma,Rajiv S. Mishra
  • Publisher :Unknown
  • Release Date :2014-05-27
  • Total pages :108
  • ISBN : 0124200133
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Summary : This book describes the fundamentals and potential applications of ‘friction stir superplasticity for unitized structures’. Conventional superplastic forming of sheets is limited to the thickness of 3 mm because the fine grained starting material is produced by rolling. Friction stir superplasticity has grown rapidly in the last decade because of the effectiveness of microstructural refinement. The thickness of the material remains almost constant, and that allows for forming of thick sheets/plates, which was not possible before. The field has reached a point where designers have opportunities to expand the extent of unitized structures, which are structures in which the traditional primary part and any supporting structures are fabricated as a single unit. With advanced optimization and material considerations, this class of structures can be lighter weight and more efficient, making them less costly, as well as mechanically less complex, reducing areas of possible failure. Discusses how friction stir processing allows selective microstructural refinement without thickness change Demonstrates how higher thickness sheets and plates can be superplastically formed Examples are presented for aluminum, magnesium and titanium alloys Covers the production of low-cost unitized structures by selectively processing cast sheets/plates

Friction Stir Welding and Processing

Friction Stir Welding and Processing
  • Author : Rajiv Sharan Mishra,Partha Sarathi De,Nilesh Kumar
  • Publisher :Unknown
  • Release Date :2014-08-04
  • Total pages :338
  • ISBN : 3319070436
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Summary : This book lays out the fundamentals of friction stir welding and processing and builds toward practical perspectives. The authors describe the links between the thermo-mechanical aspects and the microstructural evolution and use of these for the development of the friction stir process as a broader metallurgical tool for microstructural modification and manufacturing. The fundamentals behind the practical aspects of tool design, process parameter selection and weld related defects are discussed. Local microstructural refinement has enabled new concepts of superplastic forming and enhanced low temperature forming. The collection of friction stir based technologies is a versatile set of solid state manufacturing tools.

Manufacturing Technology for Aerospace Structural Materials

Manufacturing Technology for Aerospace Structural Materials
  • Author : Flake C Campbell Jr
  • Publisher :Unknown
  • Release Date :2011-08-31
  • Total pages :616
  • ISBN : 9780080462356
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Summary : The rapidly-expanding aerospace industry is a prime developer and user of advanced metallic and composite materials in its many products. This book concentrates on the manufacturing technology necessary to fabricate and assemble these materials into useful and effective structural components. Detailed chapters are dedicated to each key metal or alloy used in the industry, including aluminum, magnesium, beryllium, titanium, high strength steels, and superalloys. In addition the book deals with composites, adhesive bonding and presents the essentials of structural assembly. This book will be an important resource for all those involved in aerospace design and construction, materials science and engineering, as well as for metallurgists and those working in related sectors such as the automotive and mass transport industries. Flake Campbell Jr has over thirty seven years experience in the aerospace industry and is currently Senior Technical Fellow at the Boeing Phantom Works in Missouri, USA. * All major aerospace structural materials covered: metals and composites * Focus on details of manufacture and use * Author has huge experience in aerospace industry * A must-have book for materials engineers, design and structural engineers, metallurgical engineers and manufacturers for the aerospace industry

Metallurgy and Design of Alloys with Hierarchical Microstructures

Metallurgy and Design of Alloys with Hierarchical Microstructures
  • Author : Krishnan K. Sankaran,Rajiv S. Mishra
  • Publisher :Unknown
  • Release Date :2017-06-14
  • Total pages :506
  • ISBN : 0128120258
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Summary : Metallurgy and Design of Alloys with Hierarchical Microstructures covers the fundamentals of processing-microstructure-property relationships and how multiple properties are balanced and optimized in materials with hierarchical microstructures widely used in critical applications. The discussion is based principally on metallic materials used in aircraft structures; however, because they have sufficiently diverse microstructures, the underlying principles can easily be extended to other materials systems. With the increasing microstructural complexity of structural materials, it is important for students, academic researchers and practicing engineers to possess the knowledge of how materials are optimized and how they will behave in service. The book integrates aspects of computational materials science, physical metallurgy, alloy design, process design, and structure-properties relationships, in a manner not done before. It fills a knowledge gap in the interrelationships of multiple microstructural and deformation mechanisms by applying the concepts and tools of designing microstructures for achieving combinations of engineering properties—such as strength, corrosion resistance, durability and damage tolerance in multi-component materials—used for critical structural applications. Discusses the science behind the properties and performance of advanced metallic materials Provides for the efficient design of materials and processes to satisfy targeted performance in materials and structures Enables the selection and development of new alloys for specific applications based upon evaluation of their microstructure as illustrated in this work

Hot Deformation of Aluminum Alloys III

Hot Deformation of Aluminum Alloys III
  • Author : Z. Jin
  • Publisher :Unknown
  • Release Date :2003
  • Total pages :556
  • ISBN : 09876543XX
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Summary : "This is the proceedings of the third symposium on Hot Deformation in Aluminum Alloys, held in San Diego, CA, March 3-6, 2003."--p. xi.

Materials Performance

Materials Performance
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2003-07
  • Total pages :229
  • ISBN : 09876543XX
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Summary :

Fundamentals of Creep in Metals and Alloys

Fundamentals of Creep in Metals and Alloys
  • Author : Michael E. Kassner,Maria-Teresa Perez-Prado
  • Publisher :Unknown
  • Release Date :2004-04-06
  • Total pages :288
  • ISBN : 9780080532141
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Summary : * Numerous line drawings with consistent format and units allow easy comparison of the behavior of a very wide range of materials * Transmission electron micrographs provide a direct insight in the basic microstructure of metals deforming at high temperatures * Extensive literature review of over 1000 references provide an excellent reference document, and a very balanced discussion Understanding the strength of materials at a range of temperatures is critically important to a huge number of researchers and practitioners from a wide range of fields and industry sectors including metallurgists, industrial designers, aerospace R&D personnel, and structural engineers. The most up-to date and comprehensive book in the field, Fundamentals of Creep in Metals and Alloys discusses the fundamentals of time-dependent plasticity or creep plasticity in metals, alloys and metallic compounds. This is the first book of its kind that provides broad coverage of a range of materials not just a sub-group such as metallic compounds, superalloys or crystals. As such it presents the most balanced view of creep for all materials scientists. The theory of all of these phenomena are extensively reviewed and analysed in view of an extensive bibliography that includes the most recent publications in the field. All sections of the book have undergone extensive peer review and therefore the reader can be sure they have access to the most up-to-date research, fully interrogated, from the world’s leading investigators. · Numerous line drawings with consistent format and units allow easy comparison of the behavior of a very wide range of materials · Transmission electron micrographs provide a direct insight in the basic microstructure of metals deforming at high temperatures · Extensive literature review of over 1000 references provide an excellent reference document, and a very balanced discussion

Titanium and Titanium Alloys

Titanium and Titanium Alloys
  • Author : Christoph Leyens,Manfred Peters
  • Publisher :Unknown
  • Release Date :2006-03-06
  • Total pages :532
  • ISBN : 3527605207
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Summary : This handbook is an excellent reference for materials scientists and engineers needing to gain more knowledge about these engineering materials. Following introductory chapters on the fundamental materials properties of titanium, readers will find comprehensive descriptions of the development, processing and properties of modern titanium alloys. There then follows detailed discussion of the applications of titanium and its alloys in aerospace, medicine, energy and automotive technology.

Near Net Shape Manufacturing Processes

Near Net Shape Manufacturing Processes
  • Author : Kapil Gupta
  • Publisher :Unknown
  • Release Date :2019-01-24
  • Total pages :191
  • ISBN : 3030105792
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Summary : This book covers the mechanism, salient features, and important aspects of various subtractive, additive, forming and hybrid techniques to manufacture near net-shaped products. The latest research in this area as well as possible future research are also highlighted.

Fatigue in Friction Stir Welding

Fatigue in Friction Stir Welding
  • Author : J. Brian Jordon,Robert Amaro,Paul Allison,Harish Rao
  • Publisher :Unknown
  • Release Date :2019-02-27
  • Total pages :196
  • ISBN : 0128163054
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Summary : Fatigue in Friction Stir Welding provides knowledge on how to design and fabricate high performance, fatigue resistance FSW joints. It summarizes fatigue characterizations of key FSW configurations, including butt and lap-shear joints. The book's main focus is on fatigue of aluminum alloys, but discussions of magnesium, steel, and titanium alloys are also included. The FSW process-structure-fatigue performance relationships, including tool rotation, travel speeds, and pin tools are covered, along with sections on extreme fatigue conditions and environments, including multiaxial, variable amplitude, and corrosion effects on fatigue of the FSW. From a practical design perspective, appropriate fatigue design guidelines, including engineering and microstructure-sensitive modeling approaches are discussed. Finally, an appendix with numerous representative fatigue curves for design and reference purposes completes the work. Provides a comprehensive characterization of fatigue behavior for various FSW joints and alloy combinations, along with an in-depth presentation on crack initiation and growth mechanisms Presents the relationships between process parameters and fatigue behavior Discusses modeling strategies and design recommendations, along with experimental data for reference purposes

Structural Health Monitoring of Aerospace Composites

Structural Health Monitoring of Aerospace Composites
  • Author : Victor Giurgiutiu
  • Publisher :Unknown
  • Release Date :2015-09-08
  • Total pages :470
  • ISBN : 012410441X
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Summary : Structural Health Monitoring of Aerospace Composite Structures offers a comprehensive review of established and promising technologies under development in the emerging area of structural health monitoring (SHM) of aerospace composite structures. Beginning with a description of the different types of composite damage, which differ fundamentally from the damage states encountered in metallic airframes, the book moves on to describe the SHM methods and sensors currently under consideration before considering application examples related to specific composites, SHM sensors, and detection methods. Expert author Victor Giurgiutiu closes with a valuable discussion of the advantages and limitations of various sensors and methods, helping you to make informed choices in your structure research and development. The first comprehensive review of one of the most ardent research areas in aerospace structures, providing breadth and detail to bring engineers and researchers up to speed on this rapidly developing field Covers the main classes of SHM sensors, including fiber optic sensors, piezoelectric wafer active sensors, electrical properties sensors and conventional resistance strain gauges, and considers their applications and limitation Includes details of active approaches, including acousto-ultrasonics, vibration, frequency transfer function, guided-wave tomography, phased arrays, and electrochemical impedance spectroscopy (ECIS), among other emerging methods

Advanced Design and Manufacture to Gain a Competitive Edge

Advanced Design and Manufacture to Gain a Competitive Edge
  • Author : Xiu-Tian Yan,Chengyu Jiang,Benoit Eynard
  • Publisher :Unknown
  • Release Date :2008-07-30
  • Total pages :891
  • ISBN : 1848002416
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Summary : Manufacturing industry has been one of the key drivers for recent rapid global economic development. Globalisation of manufacturing industries due to distributed design and labour advantage leads to a drive and thirst for technological advancements and expertise in the fields of advanced design and manufacturing. This development results in many economical benefits to and improvement of quality of life for many people all over the world. This rapid development also creates many opportunities and challenges for both industrialists and academics, as the design requirements and constraints have completely changed in this global design and manufacture environment. Consequently the way to design, manufacture and realise products have changed as well. More and more design and manufacture tasks can now be undertaken within computer environment using simulation and virtual reality technologies. These technological advancements hence support more advanced product development and manufacturing operations in such a global design and manufacturing environment. In this global context and scenario, both industry and the academia have an urgent need to equip themselves with the latest knowledge, technology and methods developed for engineering design and manufacture.

Materials, Design and Manufacturing for Lightweight Vehicles

Materials, Design and Manufacturing for Lightweight Vehicles
  • Author : P K Mallick
  • Publisher :Unknown
  • Release Date :2010-03-01
  • Total pages :384
  • ISBN : 1845697820
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Summary : Research into the manufacture of lightweight automobiles is driven by the need to reduce fuel consumption to preserve dwindling hydrocarbon resources without compromising other attributes such as safety, performance, recyclability and cost. Materials, design and manufacturing for lightweight vehicles will make it easier for engineers to not only learn about the materials being considered for lightweight automobiles, but also to compare their characteristics and properties. Part one discusses materials for lightweight automotive structures with chapters on advanced steels for lightweight automotive structures, aluminium alloys, magnesium alloys for lightweight powertrains and automotive structures, thermoplastics and thermoplastic matrix composites and thermoset matrix composites for lightweight automotive structures. Part two reviews manufacturing and design of lightweight automotive structures covering topics such as manufacturing processes for light alloys, joining for lightweight vehicles, recycling and lifecycle issues and crashworthiness design for lightweight vehicles. With its distinguished editor and renowned team of contributors, Materials, design and manufacturing for lightweight vehicles is a standard reference for practicing engineers involved in the design and material selection for motor vehicle bodies and components as well as material scientists, environmental scientists, policy makers, car companies and automotive component manufacturers. Provides a comprehensive analysis of the materials being used for the manufacture of lightweight vehicles whilst comparing characteristics and properties Examines crashworthiness design issues for lightweight vehicles and further emphasises the development of lightweight vehicles without compromising safety considerations and performance Explores the manufacturing process for light alloys including metal forming processes for automotive applications

Structural Composite Materials

Structural Composite Materials
  • Author : F. C. Campbell
  • Publisher :Unknown
  • Release Date :2010
  • Total pages :612
  • ISBN : 1615031405
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Summary : This book deals with all aspects of advanced composite materials; what they are, where they are used, how they are made, their properties, how they are designed and analyzed, and how they perform in-service. It covers both continuous and discontinuous fiber composites fabricated from polymer, metal, and ceramic matrices, with an emphasis on continuous fiber polymer matrix composites.

Metallic Materials with High Structural Efficiency

Metallic Materials with High Structural Efficiency
  • Author : Oleg N. Senkov,Daniel B. Miracle,Sergey A. Firstov
  • Publisher :Unknown
  • Release Date :2004-06-29
  • Total pages :444
  • ISBN : 1402020600
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Summary : In the fall of 1998, Prof. Sergey Firstov invited me to the Frantcevych Institute for Problems of Materials Science (IPMS) in Kyiv, Ukraine to discuss possible collaborations in the area of advanced metals research. During this visit, a strong mutual interest was evident in a broad range of structural metals technologies, and a quick friendship was established. Countless subsequent emails and a reciprocal visit to the U. S Air Force Research Laboratory by Prof. Firstov and a team of scientists from IPMS ensued to discuss and detail a broad collaboration in the area of structural metals. Two years after the initial visit, a major investment by the U. S. Air Force Office of Scientific Research (AFOSR) was established to pursue the technologies defined by these interactions. The annual reviews of the AFOSR Ukrainian Metals Initiative were held in late May, a most beautiful time in Kyiv when the lilacs are in bright display and the air is scented with the smell of falling blossoms from the chestnut trees that line the major streets and many parks. The sunny days and mild evenings provide a welcome break from winter, and on weekend evenings festive crowds spill onto the Khreshchatyk, Kyiv’s downtown boulevard, to listen to street musicians, watch jugglers and comedians, or simply to celebrate with friends. The annual reviews featured long days of intensive discussion of technical progress, followed in the evenings by the warm hospitality of the Ukrainian hosts.

Friction Stir Welding of Dissimilar Alloys and Materials

Friction Stir Welding of Dissimilar Alloys and Materials
  • Author : Nilesh Kumar,Rajiv S. Mishra,Wei Yuan
  • Publisher :Unknown
  • Release Date :2015-03-05
  • Total pages :134
  • ISBN : 0128026219
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Summary : This book will summarize research work carried out so far on dissimilar metallic material welding using friction stir welding (FSW). Joining of dissimilar alloys and materials are needed in many engineering systems and is considered quite challenging. Research in this area has shown significant benefit in terms of ease of processing, material mixing, and superior mechanical properties such as joint efficiencies. A summary of these results will be discussed along with potential guidelines for designers. Explains solid phase process and distortion of work piece Addresses dimensional stability and repeatability Addresses joint strength Covers metallurgical properties in the joint area Covers fine microstructure Introduces improved materials use (e.g., joining different thicknesses) Covers decreased fuel consumption in light weight aircraft Addresses automotive and ship applications

Superplasticity and Grain Boundaries in Ultrafine-Grained Materials

Superplasticity and Grain Boundaries in Ultrafine-Grained Materials
  • Author : Alexander P. Zhilyaev,Farid Z. Utyashev,Georgy I. Raab
  • Publisher :Unknown
  • Release Date :2020-11-21
  • Total pages :440
  • ISBN : 0128190779
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Summary : Superplasticity and Grain Boundaries in Ultrafine-Grained Materials, Second Edition, provides cutting-edge modeling solutions surrounding the role of grain boundaries in processes such as grain boundary diffusion, relaxation and grain growth. In addition, the book's authors explore the formation and evolution of the microstructure, texture and ensembles of grain boundaries in materials produced by severe plastic deformation. This updated edition, written by leading experts in the field, has been revised to include new chapters on the basics of nanostructure processing, the influence of deformation mechanisms on grain refinement, processing techniques for ultrafine-grained and nanostructured materials, and much more. Provides practical applications and methods for the proper implementation of models, allowing for more effective complex metal forming processes Features new chapters on the microstructure, mechanical behavior and functional properties of HCP metals, processing ultrafine-grained and nanostructured materials, and more Covers experimental assessment and computational modeling techniques for adiabatic heating and saturation of grain refinement during SPD of metals and alloys

Superplasticity in Metals and Ceramics

Superplasticity in Metals and Ceramics
  • Author : T. G. Nieh,J. Wadsworth,O. D. Sherby
  • Publisher :Unknown
  • Release Date :2005-09-29
  • Total pages :288
  • ISBN : 9780521020343
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Summary : A materials engineering monograph in the Cambridge Solid State Science Series, first published in 1997.

Aerospace Materials

Aerospace Materials
  • Author : Brian Cantor,H Assender,P. Grant
  • Publisher :Unknown
  • Release Date :2015-05-06
  • Total pages :312
  • ISBN : 1420034723
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Summary : Aerospace Materials provides a grounding in state-of-the-art aerospace materials technology, including developments in aluminum, titanium, and nickel alloys, as well as polymers and polymer composites. Experts in each topic have contributed key overviews that summarize current knowledge and indicate future trends. The book begins by outlining the industrial applications to airframes, aeroengines, and spacecraft before delving systematically into specific materials. It examines lightweight materials and then focuses on materials suited to high-temperature applications. The book combines perspectives in physics, materials science, and mechanical and aeronautical engineering.

Residual Stresses in Friction Stir Welding

Residual Stresses in Friction Stir Welding
  • Author : Nilesh Kumar,Rajiv S. Mishra,John A. Baumann
  • Publisher :Unknown
  • Release Date :2013-11-20
  • Total pages :60
  • ISBN : 012800732X
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Summary : This book describes the fundamentals of residual stresses in friction stir welding and reviews the data reported for various materials. Residual stresses produced during manufacturing processes lead to distortion of structures. It is critical to understand and mitigate residual stresses. From the onset of friction stir welding, claims have been made about the lower magnitude of residual stresses. The lower residual stresses are partly due to lower peak temperature and shorter time at temperature during friction stir welding. A review of residual stresses that result from the friction stir process and strategies to mitigate it have been presented. Friction stir welding can be combined with additional in-situ and ex-situ manufacturing steps to lower the final residual stresses. Modeling of residual stresses highlights the relationship between clamping constraint and development of distortion. For many applications, management of residual stresses can be critical for qualification of component/structure. Reviews magnitude of residual stresses in various metals and alloys Discusses mitigation strategies for residual stresses during friction stir welding Covers fundamental origin of residual stresses and distortion

A Practical Guide to Welding Solutions

A Practical Guide to Welding Solutions
  • Author : Robert W. Messler, Jr.
  • Publisher :Unknown
  • Release Date :2019-01-14
  • Total pages :344
  • ISBN : 3527818804
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Summary : As critically important as welding is to a wide spectrum of manufacturing, construction, and repair, it is not without its problems. Those dependent on welding know only too well how easy it is to find information on the host of available processes and on the essential metallurgy that can enable success, but how frustratingly difficult it can be to find guidance on solving problems that sooner or later arise with welding, welds, or weldments. Here for the first time is the book those that practice and/or depend upon welding have needed and awaited. A Practical Guide to Welding Solutions addresses the numerous technical and material-specific issues that can interfere with success. Renowned industrial and academic welding expert and prolific author and speaker Robert W. Messler, Jr. guides readers to the solutions they seek with a well-organized search based on how a problem manifests itself (i.e., as distortion, defect, or appearance), where it appears (i.e., in the fusion zone heat-affected zone, or base metal), or it certain materials or situations.