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Author: Hugh J. McQueen
Publisher: CRC Press
ISBN: 1574446789
Category : Technology & Engineering
Languages : en
Pages : 618
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Book Description
A comprehensive treatise on the hot working of aluminum and its alloys, Hot Deformation and Processing of Aluminum Alloys details the possible microstructural developments that can occur with hot deformation of various alloys, as well as the kind of mechanical properties that can be anticipated. The authors take great care to explain and differentiate hot working in the context of other elevated temperature phenomena, such as creep, superplasticity, cold working, and annealing. They also pay particular attention to the fundamental mechanisms of aluminum plasticity at hot working temperatures. Using extensive analysis derived from polarized light optical microscopy (POM), transmission electron microscopy (TEM), x-ray diffraction (XRD) scanning electron-microscopy with electron backscatter imaging (SEM-EBSD), and orientation imaging microscopy (OIM), the authors examine those microstructures that evolve in torsion, compression, extrusion, and rolling. Further microstructural analysis leads to detailed explanations of dynamic recovery (DRV), static recovery (SRV), discontinuous dynamic recrystallization (dDRX), discontinuous static recrystallization (dSRX), grain defining dynamic recovery (gDRV) (formerly geometric dynamic recrystallization, or gDRX), and continuous dynamic recrystallization involving both a single phase (cDRX/1-phase) and multiple phases (cDRX/2-phase). A companion to other works that focus on modeling, manufacturing involving plastic and superplastic deformation, and control of texture and phase transformations, this book provides thorough explanations of microstructural development to lay the foundation for further study of the mechanisms of thermomechanical processes and their application.
Author: Hugh J. McQueen
Publisher: CRC Press
ISBN: 1574446789
Category : Technology & Engineering
Languages : en
Pages : 618
Get Book Here
Book Description
A comprehensive treatise on the hot working of aluminum and its alloys, Hot Deformation and Processing of Aluminum Alloys details the possible microstructural developments that can occur with hot deformation of various alloys, as well as the kind of mechanical properties that can be anticipated. The authors take great care to explain and differentiate hot working in the context of other elevated temperature phenomena, such as creep, superplasticity, cold working, and annealing. They also pay particular attention to the fundamental mechanisms of aluminum plasticity at hot working temperatures. Using extensive analysis derived from polarized light optical microscopy (POM), transmission electron microscopy (TEM), x-ray diffraction (XRD) scanning electron-microscopy with electron backscatter imaging (SEM-EBSD), and orientation imaging microscopy (OIM), the authors examine those microstructures that evolve in torsion, compression, extrusion, and rolling. Further microstructural analysis leads to detailed explanations of dynamic recovery (DRV), static recovery (SRV), discontinuous dynamic recrystallization (dDRX), discontinuous static recrystallization (dSRX), grain defining dynamic recovery (gDRV) (formerly geometric dynamic recrystallization, or gDRX), and continuous dynamic recrystallization involving both a single phase (cDRX/1-phase) and multiple phases (cDRX/2-phase). A companion to other works that focus on modeling, manufacturing involving plastic and superplastic deformation, and control of texture and phase transformations, this book provides thorough explanations of microstructural development to lay the foundation for further study of the mechanisms of thermomechanical processes and their application.
Author: James G. Morris
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 248
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Book Description
Author: Aldo Mario Reti
Publisher:
ISBN:
Category :
Languages : en
Pages : 230
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Book Description
Author: Robert Duane Brown
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 20
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Book Description
Author: AIME, Metallurgical Society Staff
Publisher:
ISBN: 9780608169644
Category :
Languages : en
Pages : 233
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Book Description
Author: Hugh J. McQueen
Publisher: CRC Press
ISBN: 1420017683
Category : Technology & Engineering
Languages : en
Pages : 596
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Book Description
A comprehensive treatise on the hot working of aluminum and its alloys, Hot Deformation and Processing of Aluminum Alloys details the possible microstructural developments that can occur with hot deformation of various alloys, as well as the kind of mechanical properties that can be anticipated. The authors take great care to explain and differenti
Author: FG. Ostermann
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 18
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Book Description
A review is made of the available information on thermomechanical processing of aluminum alloys, especially with respect to their fatigue behavior. An attempt is made to evaluate from the scarce and sometimes contradictory experimental evidence the possibility of improving the fatigue resistance of high-strength aluminum alloys by these treatments. To do so, it is also necessary to review the important microstructural features and deformation characteristics of these alloys, which seem to control the various stages of fatigue, and which may be influenced by the thermomechanical treatments. The discussion is limited to thermomechanical treatments subsequent to solution annealing. It is concluded that suitable processing offers the advantage of improving both strength and ductility in Al-Cu and Al-Zn-Mg-Cu alloys. If the effects of inclusions can be minimized, significant benefits are possible in fatigue, at least in Stage I crack resistance, by thermomechanical processing.
Author: A. K. Vasudevan
Publisher: Elsevier
ISBN: 0323140238
Category : Technology & Engineering
Languages : en
Pages : 727
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Book Description
This book discusses the structure and properties of the current and potential aluminum alloys in terms of their structure (and structural transformations by new processing methods) and the relationship between structure and mechanical and other properties. The alternative materials that challenge aluminum are considered as well, since the challenge of new competitive materials is a strong influence on innovation. The book bridges the gap between current scientific understanding and engineering practice. It is an up-to-date reference that will be of use to researchers and advanced students in metallurgy and materials engineering.
Author: Subbarayan Sivasankaran
Publisher: BoD – Books on Demand
ISBN: 9535136976
Category : Technology & Engineering
Languages : en
Pages : 326
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Book Description
The major issue of energy saving and conservation of the environment in the world is being emphasized to us to concentrate on lightweight materials in which aluminium alloys are contributing more in applications in the twenty-first century. Aluminium and its related materials possess lighter weight, considerable strength, more corrosion resistance and ductility. Especially from the past one decade, the use of aluminium alloys is increasing in construction field, transportation industries, packaging purposes, automotive, defence, aircraft and electrical sectors. Around 85% is being used in the form of wrought products, which replace the use of cast iron. Further, the major features of aluminium alloy are recyclability and its abundant availability in the world. In general, aluminium and its related materials are being processed via casting, drawing, forging, rolling, extrusion, welding, powder metallurgy process, etc. To improve the physical and mechanical properties, scientists are doing more research and adding some second-phase particles in to it called composites in addition to heat treatment. Therefore, to explore more in this field, the present book has been aimed and focused to bridge all scientists who are working in this field. The main objective of the present book is to focus on aluminium, its alloys and its composites, which include, but are not limited to, the various processing routes and characterization techniques in both macro- and nano-levels.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 37
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Book Description
The Materials Engineering Division at Frankford Arsenal is involved in an extensive research effort aimed at upgrading the engineering properties of wrought high strength 7000 series aluminum alloys through thermomechanical processing of the ingot material. The development of two new ingot thermomechanical processing techniques, ISML-ITMT and FA-ITMT, is presented. The effects of these techniques on the recrystallization behavior, grain morphology, tensile properties, fracture toughness and stress corrosion resistance of high purity 7075 alloy sheet and plate is presented. The recrystallization of 7075 alloy into a fine grained material was found to be controlled by the distribution of the major alloying elements, Zn, Mg and Cu, as well as by that of the ancillary element, Cr. The results showed that for a given standard temper, i.e., T6, T76 and T73, high purity ITMT processed 7075 alloy has finer grain size, equivalent strength and better ductility, fracture toughness and stress corrosion characteristics than commercial 7075 alloy. The work also showed that high purity ITMT processed 7075 alloy in the FTMT temper (a temper involving a deformation stage between an initial and a final artificial aging stage) has higher strength, ductility and fracture toughness than commercial 7075-T6 alloy. (Author).
