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Download or read book Research on Synthesis of High-strength Aluminium Alloys written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (227 download)
Download or read book Research on Synthesis of High-Strength Aluminum Alloys written by and published by . This book was released on 1973 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: The program is divided into two tasks. The objective of Task A is to optimize the properties of aluminum alloys by controlling the concentrations and sizes of the small, intermediate, and large precipitates. Systematic variations in chemistry and also in the homogenization and aging treatments have provided a range of concentrations and sizes of the various precipitates in a series of alloys based on the 7075 and 2024 alloy compositions. Procedures for fracture toughness measurements of thin sheet material have been developed. Fatigue tests have also been conducted. The objective of Task B is to develop a recrystallized microstructure in wrought high-strength aluminum alloys during hot working. The desired microstructure is being sought by control of hot-working conditions and also control of alloy composition. (Modified author abstract).
Author :
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (923 download)
Download or read book Research on Synthesis of High-strength Aluminium Alloys written by and published by . This book was released on 1974 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Giulio Timelli
Publisher : BoD – Books on Demand
ISBN 13 : 1839687290
Total Pages : 182 pages
Book Rating : 4.8/5 (396 download)
Download or read book Aluminium Alloys written by Giulio Timelli and published by BoD – Books on Demand. This book was released on 2022-07-20 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aluminium alloys are among the most interesting materials being adopted for weight reduction and recycling benefits. The increasing importance of aluminium alloys over the years is due to their widespread use and applications in automotive, aerospace, food handling, building, heat exchange, and electrical transmission industries. Their high strength/weight ratio makes aluminium alloys useful for applications where simultaneous high strength and lightness are needed.This book provides a comprehensive review of the design and development of innovative aluminium alloys and composites. Chapters discuss manufacturing processes and applications and are heavily illustrated to make the concepts clear.
Author : Leszek A. Dobrzański
Publisher : BoD – Books on Demand
ISBN 13 : 1838804501
Total Pages : 286 pages
Book Rating : 4.8/5 (388 download)
Download or read book Advanced Aluminium Composites and Alloys written by Leszek A. Dobrzański and published by BoD – Books on Demand. This book was released on 2021-10-06 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aluminium is an engineering material of strategic importance in the current stage of Industry 4.0. This book discusses advanced composites based on aluminium alloys. It also describes pressure infiltration of gas with liquid aluminium, the mechanical synthesis of aluminium alloy powder and halloysite nanotubes (HNTs) or multi-wall carbon nanotubes (MWCNTs) consolidated by plastic deformation, selected optimization and prediction models, casting aluminium alloys containing zirconium, aluminium alloys subjected to high-speed extrusion of shapes, corrosion resistance of alloys containing lithium, machining conditions of alloys with copper and zinc additions, and more.
Author : Dean N. Williams
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (227 download)
Download or read book Research on Synthesis of High-Strength Aluminum Alloys. Part II. Control of Grain Structure During Hot Working written by Dean N. Williams and published by . This book was released on 1974 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of deformation parameters on the tendency of 2024 aluminum alloy to recrystallize either during hot working or during subsequent solution heat treatment were examined. Samples were upset under controlled conditions in the Gleeble programmed thermal-mechanical test machine. The behavior of homogenized 2024 was compared with that of a high purity Al-4.6Cu alloy and with cast 2024 and 2124. Based on the Gleeble results, hot rolling procedures were designed for producing a fine equiaxed grain structure in sheet rolled from either homogenized 2024 or cast 2124. A limited quantity of sheet was rolled according to these procedures and evaluated to determine tensile and fatigue properties. (Author).
Author : A. R. Rosenfield
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (227 download)
Download or read book Research on Synthesis of High-Strength Aluminum Alloys. Part I. The Relation Between Precipitate Microstructure and Mechanical Properties in Aluminum Alloys written by A. R. Rosenfield and published by . This book was released on 1974 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of the various small, intermediate, and large precipitates on the fracture toughness and fatigue properties of aluminum alloys based on the 2024 and 7075 compositions were studied. Different concentrations and sizes of the precipitates were obtained by systematic variations in the chemical composition and also in the homogenization and aging treatments. The roles of the various precipitates in deformation and fracture were determined by slip-line and fractographic studies, and these results were carefully correlated with the fracture toughness data. The dispersion hardening effect of the intermediate precipitates appeared to have only a minor effect on the fracture toughness of both alloys, but the intermediate precipitates did exert a major indirect effect on the fracture toughness of the 7000-series specimens because of their effect on recrystallization and grain size. As expected, the large precipitates formed during ingot solidification were detrimental to both alloys. The fatigue properties of the 2000-series alloys appeared to be relatively insensitive to the range of metallurgical variables investigated, but significant improvements were obtained in the 7000-series specimens.
Author : Rajeev Kumar Gupta
Publisher : Springer
ISBN 13 : 3319570315
Total Pages : 103 pages
Book Rating : 4.3/5 (195 download)
Download or read book An Overview of High-energy Ball Milled Nanocrystalline Aluminum Alloys written by Rajeev Kumar Gupta and published by Springer. This book was released on 2017-08-23 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive overview of the nanocrystalline Al based alloys as prepared using high-energy ball milling (HEBM). It discusses the influence of HEBM parameters on grain refinement and examines methods for the consolidation of nanocrystalline Al powders; further, it reviews the effects of various processing parameters on the final microstructure and the impact of microstructure on corrosion and mechanical properties. The book also provides guidelines for choosing appropriate HEBM parameters for the production of nanocrystalline Al powders and methods for consolidating them in net-shaped components. Future challenges and possible applications of high-energy ball milled Al alloys are also discussed. The book is intended for researchers and professionals interested in aluminium alloy development, manufacturing technologies, light metals and nanocrystalline metallic materials.
Author : Zaki Ahmad
Publisher : BoD – Books on Demand
ISBN 13 : 9535121715
Total Pages : 278 pages
Book Rating : 4.5/5 (351 download)
Download or read book New Trends in Alloy Development, Characterization and Application written by Zaki Ahmad and published by BoD – Books on Demand. This book was released on 2015-09-24 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book explores the new developments that have taken place in recent years in the processing and application of aluminium alloys. The chapter on self diffusion shows a complete detail of the mechanism of diffusion in aluminium alloys and how it affects the strength. The chapter on native oxide films gives useful information on the films developed on commercial magnesium alloys. On the analytical side, the details of Mossbauer spectroscopy related to aluminium alloys fully described. One recent development in aluminium alloys is the controlling of pitting corrosion by the application of superhydrophobic coatings. Complete details of the theory and application of hydrophobicity related to aluminium alloys is shown in the two chapters related to hydrophobicity. It is hoped that this book will be found useful by researchers and general readers in the areas described in the book.
Author :
Publisher :
ISBN 13 :
Total Pages : 135 pages
Book Rating : 4.:/5 (227 download)
Download or read book Research on Synthesis of High-Strength Aluminum Alloys. Part II. written by and published by . This book was released on 1973 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: The program is divided into two tasks. The objective of Task A is to optimize the properties of aluminum alloys by controlling the concentrations and sizes of the small, intermediate, and large precipitates. Systematic variations in chemistry and also in the homogenization and aging treatments have provided a range of concentrations and sizes of the various precipitates in a series of alloys based on the 7075 and 2024 alloy compositions. Procedures for fracture toughness measurements of thin sheet material have been developed. Fatigue tests have also been conducted. The objective of Task B is to develop a recrystallized microstructure in wrought high-strength aluminum alloys during hot working. The desired microstructure is being sought by control of hot-working conditions and also control of alloy composition. (Modified author abstract).
Author : Tibor Kvackaj
Publisher : BoD – Books on Demand
ISBN 13 : 953307244X
Total Pages : 416 pages
Book Rating : 4.5/5 (33 download)
Download or read book Aluminium Alloys written by Tibor Kvackaj and published by BoD – Books on Demand. This book was released on 2011-02-04 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book enhances in detail the scope and objective of various developmental activities of the aluminium alloys. A lot of research on aluminium alloys has been performed. Currently, the research efforts are connected to the relatively new methods and processes. We hope that people new to the aluminium alloys investigation will find this book to be of assistance for the industry and university fields enabling them to keep up-to-date with the latest developments in aluminium alloys research.
Author : American Society for Metals. Publications Development
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.3/5 (91 download)
Download or read book Source Book on Selection and Fabrication of Aluminum Alloys written by American Society for Metals. Publications Development and published by . This book was released on 1978 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ibrahim Mohamed Fawzy
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659799532
Total Pages : 120 pages
Book Rating : 4.7/5 (995 download)
Download or read book Optimizing the Heat Treatment of High Strength Al-Si-Mg and Al-Cu-Mg-Zn written by Ibrahim Mohamed Fawzy and published by LAP Lambert Academic Publishing. This book was released on 2015-10-30 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of aeronautical alloys requires the use of these particular alloys for their strength and ductility. These properties can be further enhanced by controlling the added alloying elements as well as the heat treatment parameters. The objective of the present work was to determine the effect of the interactions between element additions and heat treatment on the alloy microstructure and mechanical properties. The present study was carried out to investigate both the formability and mechanical properties of 6xxx alloy series. The slabs (7 x 11 x 1.5 cm each) were machined and homogenized for 10 h at 520 C, followed by air cooling. The results show that a -iron phase displays low formability and hinders deformation of the grains during cold rolling and leads to premature cracking. The cold rolled structure contains elongated grains with broken -Al5FeSi platelet fragments. In the Mn-containing alloy, the -iron phase is more easily deformable while addition of Sr does not improve the alloy behavior. With beryllium additions, the iron intermetallics precipitate in the form of small, globular -Al8Fe2SiBe script particles, in the interdendritic regions."
Author : Gregory Ng
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (76 download)
Download or read book On the Microstructure and Behavior of a Nanostructured High Strength Aluminum Alloy with Solid Solution Strengthening written by Gregory Ng and published by . This book was released on 2007 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jie Yuan
Publisher :
ISBN 13 :
Total Pages : 209 pages
Book Rating : 4.:/5 (129 download)
Download or read book Study of Nano-treating Effects on High Strength Aluminum Alloys written by Jie Yuan and published by . This book was released on 2021 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: Its high alloying makes it prone to solidification defects. Thus, plastic deformation is required to close shrinkage porosity, making this alloy for wrought products only. Moreover, this alloy has a limit of maximum Mg content at 1.8% as a high Mg content would form bulky Al2CuMg phase in the matrix, which has a limited solubility during solutionizing. Nanoparticles successfully reduced the solidification defects and greatly recovered the ductility of the cast alloy. In summary, this dissertation first discussed a new interface-controlled mechanism for in-situ synthesis of ceramic nanoparticles to build a solid foundation for economical nano-treating of molten metals. Then the nano-treating effects on solidification and heat treatment were systematically studied. Finally, two critical effects from nano-treating were summarized: "antibody effect" to enable scalable manufacturing of various high-strength aluminum alloys without cracking and shrinkage porosities and "vitamin effect" to improve microstructure and properties of alloys. The effects were successfully demonstrated to develop and manufacture high-performance aluminum alloys: manufacturing high-strength Al-Zn-Mg-Cu alloy, natural aging to AA7075 welds with nano-treated welding wires, and casting of high-strength Al-Cu-Mg alloys.
Author : T. H. Sanders
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (95 download)
Download or read book Effects of Composition and Primary Processing on the Microstructure and Mechanical Properties of High-strength Aluminum Alloys written by T. H. Sanders and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Franklin H. Cocks
Publisher :
ISBN 13 :
Total Pages : 39 pages
Book Rating : 4.:/5 (227 download)
Download or read book New Concepts for the Enhancement of High Strength Aluminum Alloy Properties written by Franklin H. Cocks and published by . This book was released on 1978 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: The precipitation processes in aluminum alloys are well understood and the identification and analysis of those precipitates primarily responsible for the strengthening effects during precipitation heat treatment is reasonably complete. Less well understood, however, are the roles played by the minor alloying elements involved in the formation of metalloids, dispersoids, and insolubles which are important in controlling, among other things, fineness of grain structure, and the formation of precipitate free zones around grain boundaries. Previously, the study of most of these compounds has been necessarily performed through in situ methods, although anodic dissolution of aluminum alloys in strong acids, or simple dissolution in solutions of iodated methanol have been tried. In addition, extraction-replica techniques have been used to produce small samples of extracted phases for electron microscopy. While a great variety of both chemical and electrochemical methods have been developed for the extraction of secondary phases from steels and nickel-base alloys, until recently, no equivalent anodic dissolution techniques using a relatively inactive electrolyte have been available for aluminum alloys. It has lately been found, however, that methanolic solutions of benzoic acid, oxine and chloroform can be used to selectively remove the aluminum alloy matrix by galvanostatic anodic dissolution, while leaving second phase particles intact.
