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Beta Phase Growth And Precipitation In The 5xxx Series Aluminum Alloy System
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Book Synopsis Beta Phase Growth and Precipitation in the 5xxx Series Aluminum Alloy System by : Daniel Scotto D'Antuono
Download or read book Beta Phase Growth and Precipitation in the 5xxx Series Aluminum Alloy System written by Daniel Scotto D'Antuono and published by . This book was released on 2017 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 5xxx series aluminum alloys are commonly used for structural applications due to their high strength to weight ratio, corrosion resistance, and weldability. This material system is a non-heat treatable aluminum and derives its strength from a super saturation of magnesium (3%>), and from cold rolling. While these materials have many admiral properties, they can undergo a process known as sensitization when exposed to elevated temperatures (50-280℗ʻC) for extended periods of time. During this process, magnesium segregates toward the grain boundaries and forms the secondary precipitate Îø phase (Al3Mg2). When exposed to harsh environments such as sea water, a galvanic couple is formed between the Al matrix and the Îø phase precipitates. The precipitates become anodic to the matrix and preferentially dissolve leaving gaps along the boundary network, ultimately leading to stress corrosion cracking. While this problem has been known to occur for some time now, questions relating to nucleation sites, misorientation dependence, effect of prior strain, and preferred temperature regimes remain unanswered. The work contained in this thesis attempted to better understand the kinetics, growth, and misorientation dependence, of Îø phase precipitation using in situ transmission electron microscopy experiments which allowed for direct visualization of the precipitation process. Orientation imaging using a Nanomegas/ASTAR system (OIM in TEM) coupled with the in situ experiments, along with elemental STEM EELs mapping were used to better understand the diffusion of Mg and found low angle boundaries as potential sites for nucleation. The resulting STEM EELs experiments also showed that Mg is much more stable at the grain boundaries than previously thought. Concurrent bulk ex-situ studies were used to compare various heat treatments, as well as to failed in service material showing that the low temperature treatments yield the metastable Îø' phase more readily than the Îø equilibrium phase. The work here has identified the size, location, and kinetics of Îø phase formation as well as the effects of pre-strain (cold rolling) and boundary misorientation on precipitation showing that increases in dislocations speeds up sensitization and increases nucleation sites but does not increase overall precipitate size. This work also compared precipitate type (Îø vs. Îø') showing that the metastable Îø' phase is more common in low temperature treated material and the main precipitate found in failed in service material. A comparison between the corrosion effects of the two precipitation showed that lower temperature treatments have a higher degree of sensitization further delineating between the two forms.
Book Synopsis Corrosion of Aluminum and Aluminum Alloys by : Joseph R. Davis
Download or read book Corrosion of Aluminum and Aluminum Alloys written by Joseph R. Davis and published by ASM International. This book was released on 1999-01-01 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Materials, Design and Manufacturing for Lightweight Vehicles by : P.K. Mallick
Download or read book Materials, Design and Manufacturing for Lightweight Vehicles written by P.K. Mallick and published by Elsevier. This book was released on 2010-03-01 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Phase Transformations in Materials by : G. Kostorz
Download or read book Phase Transformations in Materials written by G. Kostorz and published by Wiley-VCH. This book was released on 2001-10-25 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: For all kinds of materials, phase transformations show common phenomena and mechanisms, and often turn a material, for example metals, multiphase alloys, ceramics or composites, into its technological useful form. The physics and thermodynamics of a transformation from the solid to liquid state or from one crystal form to another are therefore essential for creating high-performance materials. This handbook covers phase transformations, a general phenomenon central to understanding the behavior of materials and for creating high-performance materials. It will be an essential reference for all materials scientists, physicists and engineers involved in the research and development of new high performance materials. It is the revised and enhanced edition of the renowned book edited by the late P. Haasen in 1990 (Vol. 5, Materials Science and Technology).
Book Synopsis Precipitation of Aluminum Alloys by : Brian John Dracup
Download or read book Precipitation of Aluminum Alloys written by Brian John Dracup and published by . This book was released on 2002 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modern Aspects of Small-Angle Scattering by : H. Brumberger
Download or read book Modern Aspects of Small-Angle Scattering written by H. Brumberger and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Study Institute, Como, Italy, May 12--22, 1993
Book Synopsis Friction Stir Welding and Processing by : Rajiv Sharan Mishra
Download or read book Friction Stir Welding and Processing written by Rajiv Sharan Mishra and published by Springer. This book was released on 2014-08-04 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Aerospace Materials and Material Technologies by : N. Eswara Prasad
Download or read book Aerospace Materials and Material Technologies written by N. Eswara Prasad and published by Springer. This book was released on 2016-11-11 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive compilation of chapters on materials (both established and evolving) and material technologies that are important for aerospace systems. It considers aerospace materials in three Parts. Part I covers Metallic Materials (Mg, Al, Al-Li, Ti, aero steels, Ni, intermetallics, bronzes and Nb alloys); Part II deals with Composites (GLARE, PMCs, CMCs and Carbon based CMCs); and Part III considers Special Materials. This compilation has ensured that no important aerospace material system is ignored. Emphasis is laid in each chapter on the underlying scientific principles as well as basic and fundamental mechanisms leading to processing, characterization, property evaluation and applications. This book will be useful to students, researchers and professionals working in the domain of aerospace materials.
Book Synopsis Engineering Materials 2 by : Michael F. Ashby
Download or read book Engineering Materials 2 written by Michael F. Ashby and published by Elsevier. This book was released on 2014-06-28 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a thorough explanation of the basic properties of materials; of how these can be controlled by processing; of how materials are formed, joined and finished; and of the chain of reasoning that leads to a successful choice of material for a particular application. The materials covered are grouped into four classes: metals, ceramics, polymers and composites. Each class is studied in turn, identifying the families of materials in the class, the microstructural features, the processes or treatments used to obtain a particular structure and their design applications. The text is supplemented by practical case studies and example problems with answers, and a valuable programmed learning course on phase diagrams.
Book Synopsis Extrusion of Aluminium Alloys by : T. Sheppard
Download or read book Extrusion of Aluminium Alloys written by T. Sheppard and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years the importance of extruded alloys has increased due to the decline in copper extrusion, increased use in structural applications, environmental impact and reduced energy consumption. There have also been huge technical advances. This text provides comprehensive coverage of the metallurgical, mathematical and practical features of the process.
Book Synopsis Fundamentals of Aluminium Metallurgy by : Roger Lumley
Download or read book Fundamentals of Aluminium Metallurgy written by Roger Lumley and published by Elsevier. This book was released on 2010-11-25 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aluminium is an important metal in manufacturing, due to its versatile properties and the many applications of both the processed metal and its alloys in different industries. Fundamentals of aluminium metallurgy provides a comprehensive overview of the production, properties and processing of aluminium, and its applications in manufacturing industries. Part one discusses different methods of producing and casting aluminium, covering areas such as casting of alloys, quality issues and specific production methods such as high-pressure diecasting. The metallurgical properties of aluminium and its alloys are reviewed in Part two, with chapters on such topics as hardening, precipitation processes and solute partitioning and clustering, as well as properties such as fracture resistance. Finally, Part three includes chapters on joining, laser sintering and other methods of processing aluminium, and its applications in particular areas of industry such as aerospace. With its distinguished editor and team of expert contributors, Fundamentals of aluminium metallurgy is a standard reference for researchers in metallurgy, as well as all those involved in the manufacture and use of aluminium products. Provides a comprehensive overview of the production, properties and processing of aluminium, and its applications in manufacturing industries Considers many issues of central importance in aluminium production and utilization considering quality issues and design for fatigue growth resistance Metallurgical properties of aluminium and its alloys are further explored with particular reference to work hardening and applications of industrial alloys
Book Synopsis Corrosion Science and Technology by : David E.J. Talbot
Download or read book Corrosion Science and Technology written by David E.J. Talbot and published by CRC Press. This book was released on 2018-01-29 with total page 699 pages. Available in PDF, EPUB and Kindle. Book excerpt: Twenty years after its first publication, Corrosion Science and Technology continues to be a relevant practical guide for students and professionals interested in material science. This Third Edition thoroughly covers the basic principles of corrosion science in the same reader-friendly manner that made the previous edition invaluable, and enlarges the scope of the content with expanded chapters on processes for various metals and new technologies for limiting costs and metal degradation in a variety of commercial enterprises not explored in previous editions. This book also presents expertly developed methods of corrosion testing and prediction.
Book Synopsis Grain Boundary Segregation in Metals by : Pavel Lejcek
Download or read book Grain Boundary Segregation in Metals written by Pavel Lejcek and published by Springer Science & Business Media. This book was released on 2010-07-20 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: Grain boundaries are important structural components of polycrystalline materials used in the vast majority of technical applications. Because grain boundaries form a continuous network throughout such materials, their properties may limit their practical use. One of the serious phenomena which evoke these limitations is the grain boundary segregation of impurities. It results in the loss of grain boundary cohesion and consequently, in brittle fracture of the materials. The current book deals with fundamentals of grain boundary segregation in metallic materials and its relationship to the grain boundary structure, classification and other materials properties.
Book Synopsis Multicomponent Phase Diagrams: Applications for Commercial Aluminum Alloys by : Nikolay A. Belov
Download or read book Multicomponent Phase Diagrams: Applications for Commercial Aluminum Alloys written by Nikolay A. Belov and published by Elsevier. This book was released on 2005-07-01 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite decades of extensive research and application, commercial aluminum alloys are still poorly understood in terms of the phase composition and phase transformations occurring during solidification, cooling, and heating. Multicomponent Phase Diagrams: Applications for Commercial Aluminum Alloys aims to apply multi-component phase diagrams to commercial aluminum alloys, and give a comprehensive coverage of available and assessed phase diagrams for aluminum-based alloy systems of different dimensionality. Features data on non-equilibrium phase diagrams, which can rarely be obtained from other publications Extensive coverage of all groups of commercially important alloys and materials
Book Synopsis Advanced Aluminum Alloys Containing Scandium by : L S Toropova
Download or read book Advanced Aluminum Alloys Containing Scandium written by L S Toropova and published by Routledge. This book was released on 2017-07-05 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book to generalize and analyze the extensive experimental and theoretical results on the phase composition, structure, and properties of aluminum alloys containing scandium. The effects of scandium on these properties are studied from a physico- chemical viewpoint. The authors present binary, ternary, and more complex phase diagrams for these alloys and consider in detail recrystallization, superplastic behavior, and decomposition of supersaturated solid solutions and the effects of solidification conditions on phase equilibria.
Book Synopsis Complex Metallic Alloys by : Jean-Marie Dubois
Download or read book Complex Metallic Alloys written by Jean-Marie Dubois and published by John Wiley & Sons. This book was released on 2010-12-13 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering fundamental research as well as real-world applications, this first book on CMAs at an introductory level treats everything from atomistic details to surface processing. Comprehensive, self-contained chapters provide readers with the latest knowledge on the most salient features of the topic, selected in terms of their relevance to potential technological applications. Edited by one of the most distinguished authorities on quasicrystals and this most important of their subclasses, the contributions elucidate aspects of CMAs from a particular viewpoint: physical and chemical characteristics in the sub-nanometer regime, mesoscale phenomena, preparation and processing of thin films, and large-scale engineering properties. The whole is rounded off by a look at the commercial potential of CMA-based applications. For PhD students and lecturers alike.
Book Synopsis Corrosion of Aluminium by : Christian Vargel
Download or read book Corrosion of Aluminium written by Christian Vargel and published by Elsevier. This book was released on 2004-10-02 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: Corrosion of Aluminium highlights the practical and general aspects of the corrosion of aluminium alloys with many illustrations and references. In addition to that, the first chapter allows the reader who is not very familiar with aluminium to understand the metallurgical, chemical and physical features of the aluminium alloys. The author Christian Vargel, has adopted a practitioner approach, based on the expertise and experience gained from a 40 year career in aluminium corrosion This approach is most suitable for assessing the corrosion resistance of aluminium- an assessment which is one of the main conditions for the development of many uses of aluminium in transport, construction, power transmission etc. 600 bibliographic references provide a comprehensive guide to over 100 years of related study Providing practical applications to the reader across many industries Accessible to both the beginner and the expert
