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Download or read book Dynamic Microstructural Characterization of High Strength Aluminum Alloys written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Morgan Lee
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (228 download)
Download or read book Dynamic Microstructural Characterization of High Strength Aluminum Alloys written by William Morgan Lee and published by . This book was released on 2008 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: precipitate, omega, impact, aluminum.
Author : Lillianne P. Troeger
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (317 download)
Download or read book Microstructural and Mechanical Property Characterization of Shear Formed Aerospace Aluminum Alloys written by Lillianne P. Troeger and published by . This book was released on 2000 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced manufacturing processes such as near-net-shape forming can reduce production costs and increase the reliability of launch vehicle and airframe structural components through the reduction of material scrap and part count and the minimization of joints. The current research is an investigation of the processing-microstruture-property relationships for shear formed cylinders of the Al-Cu-Li-Mg-Ag alloy 2195 for space applications and the Al-Cu-Mg-Ag alloy C415 for airframe applications. Cylinders which had undergone various amounts of shear-forming strain were studied to correlate the grain structure, texture, and mechanical properties developed during and after shear forming.
Author : William Hahn
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (968 download)
Download or read book Microstructural Characterization of Nanostructured Aluminum Extrusions written by William Hahn and published by . This book was released on 2016 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured aluminum alloys are advantageous for their high strength properties and low density due to the presence of not only multiple material components, but also the presence of nanocrystalline grains that increase strength through grain boundary strengthening. Microstructural analysis is a crucial step in understanding alloy mechanical properties. The alloys observed in this research were analyzed through transmission electron microscope (TEM) observation and grain analysis to determine the average grain size of each nanocrystalline alloy and determine the distribution of grain sizes through each alloy. Average grain sizes for the alloys, found through number fraction analysis, ranged from 44nm to 624nm. Each alloy had a distribution of grain sizes, where the alloy contained high concentrations of grains close their respective average grain sizes with lower concentrations of grains further from the average size.
Author : Ripandeep Singh
Publisher : Anchor Academic Publishing
ISBN 13 : 396067211X
Total Pages : 77 pages
Book Rating : 4.9/5 (66 download)
Download or read book Characterization of Microstructure and Mechanical Properties of AL6063 Using FSP Multipass written by Ripandeep Singh and published by Anchor Academic Publishing. This book was released on 2018 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for low weight and high performance structural materials has revolutionized the technology and has led to the emergence of new processes and methodologies. Friction stir processing (FSP), based on the principle of friction stir welding, is an emerging solid state metal working process. This technique causes intense plastic deformation and high strain rates in the processed material, resulting in precise control of the microstructure through material mixing and densification. FSP process has been successfully used for achieving significant grain refinement and enhancement of surface properties. The present work focuses on the study of behavior of Aluminium cast alloy (Al-6063) processed by the friction stir processing technique. Samples of FSP-ed aluminium were examined and their microstructures, microhardness, Rockwell hardnesss and impact strength were studied and compared with base metal Al-6063. Hardness tester was employed to evaluate the interfacial bonding between the particles and matrix by indenting the hardness with the constant load and constant time. Impact test was employed to know the Impact Strength of samples against the Impact of Hammer.
Author : Hugh J. McQueen
Publisher : CRC Press
ISBN 13 : 1574446789
Total Pages : 618 pages
Book Rating : 4.5/5 (744 download)
Download or read book Hot Deformation and Processing of Aluminum Alloys written by Hugh J. McQueen and published by CRC Press. This book was released on 2011-09-28 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Jingyi Zhang
Publisher :
ISBN 13 :
Total Pages : 153 pages
Book Rating : 4.:/5 (15 download)
Download or read book Characterization of High-Speed Friction Stir Weld Between Dissimilar Aluminum Alloys written by Jingyi Zhang and published by . This book was released on 2017 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Friction stir welding (FSW) is a solid-state joining technique that is proven to produce superior joint properties and is particularly helpful in the joining of high-strength aluminum alloys. The historically slower welding speed of FSW (in the range of hundreds of millimeters per minute), among other issues associated with the application of the technique has limited its industrial use to small volume productions. Revolutionary high-speed FSW of aluminum blanks has been developed at Pacific Northwest National Laboratory and satisfactory forming properties were achieved. This work focuses on the characterization of the complex microstructures formed in high-speed FSW butt joints and the correlation between the microstructural features and the mechanical properties of the welds. The effect of increased welding speed was first studied on similar aluminum joints. Materials properties investigated including the tensile strength, fracture toughness, elongation, joint efficiency, microhardness, and corrosion susceptibility. The evolution of the materials properties is found to be related to the welding parameters through the complex physical metallurgy events including materials softening, material mixing and transportation, precipitate reaction, dynamic recrystallization, dynamic recovery, and severe plastic deformation during the friction stir welding process. The formation mechanism was then studied in the joining of dissimilar aluminum alloys AA5182-O and AA6022-T4 with different thicknesses. Local textural analysis and particle analysis aided in the understanding of the material flow patterns and helped in the selection of a fixed location of dissimilar alloys to achieve defect-free joints. The microstructural characterization and analysis methods include transmission electron microscopy, electron diffraction, scanning electron microscopy, optical microscopy, energy-dispersive X-ray spectroscopy, electron backscatter and probability density functions.
Author : Z. M. Wang
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (317 download)
Download or read book Microstructural Characterization of Aluminum-Lithium Alloys 1460 and 2195 written by Z. M. Wang and published by . This book was released on 1998 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ernest Baker
Publisher : DEStech Publications, Inc
ISBN 13 : 1605950521
Total Pages : 2230 pages
Book Rating : 4.6/5 (59 download)
Download or read book Ballistics 2011 written by Ernest Baker and published by DEStech Publications, Inc. This book was released on 2011-09 with total page 2230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes papers that were first presented at a September 2011 conference organized by the National Defense Industrial Association and the International Ballistics Society. This title includes a CD-ROM that displays figures and illustrations in articles in full color along with a title screen and main menu screen.
Author : Marek Sroka
Publisher : MDPI
ISBN 13 : 3039437550
Total Pages : 132 pages
Book Rating : 4.0/5 (394 download)
Download or read book Microstructural and Mechanical Characterization of Alloys written by Marek Sroka and published by MDPI. This book was released on 2021-01-13 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains manuscripts related to alloys (engineering materials) to discuss potential materials, methods for improvement of the strength and cyclic properties of alloys, the stability of microstructures, the possible application of new (or improved) alloys, and the use of treatment for alloy improvement. The broad spectrum of topics included in the articles of this Special Issue demonstrates that research into the microstructural and mechanical characteristics of alloys represents a contemporary field. These topics are also envisaged to be of interest to scientists in other research centers, and we can still expect new developments in this investigation field.
Author :
Publisher :
ISBN 13 : 9780429136153
Total Pages : 585 pages
Book Rating : 4.1/5 (361 download)
Download or read book Hot Deformation and Processing of Aluminum Alloys written by and published by . This book was released on 2011 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: PREFACE This book offers readers a fairly comprehensive discussion of the hot working of aluminum and aluminum alloys. It is intended to provide an explanation of the possible microstructural developments that can occur with hot deformation of a variety of alloys and the kind of mechanical properties that can be anticipated. The microstructures that evolve with torsion, compression, extrusion and rolling are presented based on extensive analysis 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 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 gDRX) and continuous dynamic recrystallization involving a single phase (cDRX/1-phase) and multiple phases, (cDRX/2-phase). Hot working is carefully explained in the context of other elevated temperature phenomena, some of which overlap hot working. These include creep, superplasticity, cold working and annealing. Creep plasticity occurs at both warm and hot working temperatures, but is usually associated with lower strain-rates and relatively small strains. On the other hand superplasticity involves high tensile strains at similar temperatures, but lower strain rates than utilized in hot working--
Author : Joseph Andrew Querin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (137 download)
Download or read book Microstructural Characterization of AA6022-T43 Aluminum Alloy Sheet During Monotonic Loading written by Joseph Andrew Querin and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental issues and regulations are pushing the automotive industry to produce more efficient and environmentally friendly vehicles. To address these issues, reducing the weight of the vehicles by use of aluminum alloys is increasing. AA6022-T43 is a new sheet aluminum alloy designed specifically for automobile enclosure panels. Because this alloy is new, little data exists on its mechanical properties in the open literature. AA6022-T43 is received by the automotive industry in 1-mm thick sheet stock and subsequently stamped into the desired component. The design and manufacturing processes of the component are guided by the material's mechanical behavior. This study characterizes the mechanical and microstructural properties of uniaxially strained AA6022-T43.
Author : Mary-Anne Kulas
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (686 download)
Download or read book Mechanical and Microstructural Characterization of Commercial AA5083 Aluminum Alloys written by Mary-Anne Kulas and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Dilip Bhandardar
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.:/5 (31 download)
Download or read book Metallurgical Characterization of the Fracture of Several High Strength Aluminum Alloys written by M. Dilip Bhandardar and published by . This book was released on 1977 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Microstructural Characterization of AA6022-T43 Aluminum Alloy Sheet During Monotonic Loading written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental issues and regulations are pushing the automotive industry to produce more efficient and environmentally friendly vehicles. To address these issues, reducing the weight of the vehicles by use of aluminum alloys is increasing. AA6022-T43 is a new sheet aluminum alloy designed specifically for automobile enclosure panels. Because this alloy is new, little data exists on its mechanical properties in the open literature. AA6022-T43 is received by the automotive industry in 1-mm thick sheet stock and subsequently stamped into the desired component. The design and manufacturing processes of the component are guided by the materials mechanical behavior. This study characterizes the mechanical and microstructural properties of uniaxially strained AA6022-T43.
Author : Joseph R. Davis
Publisher : ASM International
ISBN 13 : 1615030638
Total Pages : 658 pages
Book Rating : 4.6/5 (15 download)
Download or read book Alloying written by Joseph R. Davis and published by ASM International. This book was released on 2001-01-01 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alloying: Understanding the Basics is a comprehensive guide to the influence of alloy additions on mechanical properties, physical properties, corrosion and chemical behavior, and processing and manufacturing characteristics. The coverage considers "alloying" to include any addition of an element or compound that interacts with a base metal to influence properties. Thus, the book addresses the beneficial effects of major alloy additions, inoculants, dopants, grain refiners, and other elements that have been deliberately added to improve performance, as well the detrimental effects of minor elements or residual (tramp) elements included in charge materials or that result from improper melting or refining techniques. The content is presented in a concise, user-friendly format. Numerous figures and tables are provided. The coverage has been weighted to provided the most detailed information on the most industrially important materials.
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781723860201
Total Pages : 46 pages
Book Rating : 4.8/5 (62 download)
Download or read book Microstructural and Mechanical Property Characterization of Shear Formed Aerospace Aluminum Alloys written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-20 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced manufacturing processes such as near-net-shape forming can reduce production costs and increase the reliability of launch vehicle and airframe structural components through the reduction of material scrap and part count and the minimization of joints. The current research is an investigation of the processing-microstructure-property relationships for shear formed cylinders of the Al-Cu-Li-Mg-Ag alloy 2195 for space applications and the Al-Cu-Mg-Ag alloy C415 for airframe applications. Cylinders which had undergone various amounts of shear-forming strain were studied to correlate the grain structure, texture, and mechanical properties developed during and after shear forming.Troeger, Lillianne P. and Domack, Marcia S. and Wagner, John A.Langley Research CenterALUMINUM ALLOYS; MANUFACTURING; MECHANICAL PROPERTIES; SHEAR STRAIN; DEFORMATION; SHEARING; AIRFRAMES; CYLINDRICAL BODIES; STRUCTURAL DESIGN; TECHNOLOGY UTILIZATION
