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Application Of Rapid Solidification Techniques To Aluminum Alloys
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Book Synopsis Application of Rapid Solidification Techniques to Aluminum Alloys by : C. G. Lebi
Download or read book Application of Rapid Solidification Techniques to Aluminum Alloys written by C. G. Lebi and published by . This book was released on 1978 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: This portion of the program was conducted for the purpose of developing a predictive model of heat flow and solidification for aluminum alloys produced under the high cooling rate conditions achievable in atomization processes. It is a combined experimental and theoretical study of the relationship between the important solidification variables (e.g. cooling rate, temperature gradients, interface shape and velocity, supercooling and transformation kinetics) and the structure of rapidly solidified aluminum alloy powders. This report covers that portion of the investigations which addressed the characterization of the thermal history of rapid solidification in metal droplets, and its effects on powder microstructure. The main effort was focused on modelling the heat flow during solidification, and relationships were established between the atomization parameters, the growth kinetics, the interface velocity and undercooling, and other important variables. Numerical solutions based on the enthalpy model were developed, and their results compared to the trends predicted from the Newtonian model. The analysis covered situations of isothermal solidification at the melting temperature, as well as those where significant undercoolings are necessary for nucleation and growth. The implications of single vs. multiple nucleation were also discussed. The concepts developed from the heat flow analysis were coupled to microstructural observations in Aluminum alloy powders, mostly in the submicron size range. It was shown that reducing the particle size decreases the extent of segregation, promotes multiple nucleation and the formation of twins during solidification.
Book Synopsis Rapid Solidification Technology by : T.S. Sudarshan
Download or read book Rapid Solidification Technology written by T.S. Sudarshan and published by CRC Press. This book was released on 1993-12-20 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid solidification processing results in increased strength, and fracture and fatigue resistance of alloys, with concurrent improvements in mechanical, physical and chemical properties. This volume provides a systematic examination of this technology, including metallurgical aspects, processing methods, alloy design, and applications. Each chapter was prepared by a specialist for this volume. The text is well illustrated with more than 400 micrographs and schematics. More than 75 tables provide important reference data.
Book Synopsis Rapidly Solidified Powder Aluminum Alloys by : Morris E. Fine
Download or read book Rapidly Solidified Powder Aluminum Alloys written by Morris E. Fine and published by ASTM International. This book was released on 1986 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rapid Solidification of Metals and Alloys by : Howard Jones
Download or read book Rapid Solidification of Metals and Alloys written by Howard Jones and published by Ashgate Publishing. This book was released on 1983 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Keikinzoku Shogakukai. Research Group for Rapid Solidification of Aluminum Alloys Publisher : ISBN 13 : Total Pages :0 pages Book Rating :4.:/5 (113 download)
Book Synopsis Report of the Research Group for Rapid Solidification of Aluminum Alloys by : Keikinzoku Shogakukai. Research Group for Rapid Solidification of Aluminum Alloys
Download or read book Report of the Research Group for Rapid Solidification of Aluminum Alloys written by Keikinzoku Shogakukai. Research Group for Rapid Solidification of Aluminum Alloys and published by . This book was released on 1987 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rapidly Solidified Metals by : T.R. Anantharaman
Download or read book Rapidly Solidified Metals written by T.R. Anantharaman and published by Trans Tech Publications Ltd. This book was released on 1987-01-01 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapidly Solidified Metals constitute today a rapidly multiplying species of metallic materials with excellent combinations of properties that make them attractive alternatives and often serious competitors to conventional alloys in diverse industrial applications.
Book Synopsis Elements of Rapid Solidification by : Monde A. Otooni
Download or read book Elements of Rapid Solidification written by Monde A. Otooni and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elements of Rapid Solidification: Fundamentals and Applications is the product of many years of concentrated work in the field of rapid solidification and processing. This quasi-monograph is unique in two ways. It brings together the talent of many international scientists in an effort to focus attention on all aspects of a new scientific field and it concentrates on fundamentals and practical applications. Simply stated, this book has been written by the senior students in the field of rapid solidification technology for the new generation of solid-state physicists, materials scientists, materials engineers, metallurgists and ceramicists.
Book Synopsis Aluminum Alloys--Contemporary Research and Applications by : A. K. Vasudevan
Download or read book Aluminum Alloys--Contemporary Research and Applications written by A. K. Vasudevan and published by Elsevier. This book was released on 2012-12-02 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Modern Physical Metallurgy and Materials Engineering by : R. E. Smallman
Download or read book Modern Physical Metallurgy and Materials Engineering written by R. E. Smallman and published by Elsevier. This book was released on 1999-11-22 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many years, various editions of Smallman's Modern Physical Metallurgy have served throughout the world as a standard undergraduate textbook on metals and alloys. In 1995, it was rewritten and enlarged to encompass the related subject of materials science and engineering and appeared under the title Metals & Materials: Science, Processes, Applications offering a comprehensive amount of a much wider range of engineering materials. Coverage ranged from pure elements to superalloys, from glasses to engineering ceramics, and from everyday plastics to in situ composites, Amongst other favourable reviews, Professor Bhadeshia of Cambridge University commented: "Given the amount of work that has obviously gone into this book and its extensive comments, it is very attractively priced. It is an excellent book to be recommend strongly for purchase by undergraduates in materials-related subjects, who should benefit greatly by owning a text containing so much knowledge."The book now includes new chapters on materials for sports equipment (golf, tennis, bicycles, skiing, etc.) and biomaterials (replacement joints, heart valves, tissue repair, etc.) - two of the most exciting and rewarding areas in current materials research and development. As in its predecessor, numerous examples are given of the ways in which knowledge of the relation between fine structure and properties has made it possible to optimise the service behaviour of traditional engineering materials and to develop completely new and exciting classes of materials. Special consideration is given to the crucial processing stage that enables materials to be produced as marketable commodities. Whilst attempting to produce a useful and relatively concise survey of key materials and their interrelationships, the authors have tried to make the subject accessible to a wide range of readers, to provide insights into specialised methods of examination and to convey the excitement of the atmosphere in which new materials are conceived and developed.
Book Synopsis Report of the Research Group for Rapid Solidification of Aluminum Alloys by :
Download or read book Report of the Research Group for Rapid Solidification of Aluminum Alloys written by and published by . This book was released on 1987 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rapidly Solidified Materials by : Peter W. Lee
Download or read book Rapidly Solidified Materials written by Peter W. Lee and published by . This book was released on 1985 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Powder Metallurgy Aluminum Alloys Via Rapid Solidification Technology by :
Download or read book Advanced Powder Metallurgy Aluminum Alloys Via Rapid Solidification Technology written by and published by . This book was released on 1984 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781731402776 Total Pages :160 pages Book Rating :4.4/5 (27 download)
Book Synopsis Superplastic Forming and Diffusion Bonding of Rapidly Solidified, Dispersion Strengthened Aluminum Alloys for Elevated Temperature Structural Applicat by : National Aeronautics and Space Adm Nasa
Download or read book Superplastic Forming and Diffusion Bonding of Rapidly Solidified, Dispersion Strengthened Aluminum Alloys for Elevated Temperature Structural Applicat written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-11-19 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapidly solidified alloys, based upon the Al-Fe-V-Si system and designed for elevated temperature applications, were evaluated for superplasticity and diffusion bonding behavior. Alloys with 8, 16, 27, and 36 volume percent silicide dispersoids were produced; dispersoid condition was varied by rolling at 300, 400, and 500 C (572, 752, and 932 F). Superplastic behavior was evaluated at strain rates from 1 x 10(exp -6)/s to 8.5/s at elevated temperatures. The results indicate that there was a significant increase in elongation at higher strain rates and at temperatures above 600 C (1112 F). However, the exposure of the alloys to temperatures greater than 600 C (1112 F) resulted in the coarsening of the strengthening dispersoid and the degradation of mechanical properties. Diffusion bonding was possible using low gas pressure at temperatures greater than 600 C (1112 F) which also resulted in degraded properties. The bonding of Al-Fe-V-Si alloys to 7475 aluminum alloy was performed at 516 C (960 F) without significant degradation in microstructure. Bond strengths equal to 90 percent that of the base metal shear strength were achieved. The mechanical properties and microstructural characteristics of the alloys were investigated. Ting, E. Y. and Kennedy, J. R. ALUMINUM ALLOYS; DIFFUSION WELDING; DISPERSION STRENGTHENING; DISPERSIONS; FORMING TECHNIQUES; SOLIDIFICATION; SUPERPLASTIC FORMING; SUPERPLASTIC FORMING; SUPERPLASTICITY; DEGRADATION; ELONGATION; MECHANICAL PROPERTIES; MICROSTRUCTURE; SILICIDES; STRAIN RATE...
Book Synopsis Science and Technology of the Undercooled Melt by : P.R. Sahm
Download or read book Science and Technology of the Undercooled Melt written by P.R. Sahm and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: "SCIENCE AND TECHNOLOGY OF '!HE UNDEROLED MELT" This title was chosen as the topical headline of the Advanced Research Workshop (ARW) from March 17 to 22 1985, held at the Castle of Theuern. The usual term "Rapid Solidification" is an overlapping description. Due to the fact that nucleation is so eminently important for the undercooling of a melt and this, in turn, is an important characteristic of rapid solidifi cation, undercooling plays an essential role in "rapid solidification." The undercooled melt has caused an "accelerated evolution" (if not a revolution) in materials science during the last decade. Several rather exciting concepts with interesting potential for novel applications are being pursued presently in various laboratories and companies. They concern not only new processes and ha~ware developments, but also present chal lenging perspectives for ventures, including the founding of new companies; or they promise growth possibilities with established larger and smaller industrial establishments.
Book Synopsis Application of Rapidly Solidified Alloys by : A. R. Cox
Download or read book Application of Rapidly Solidified Alloys written by A. R. Cox and published by . This book was released on 1978 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: This program is being conducted for the purpose of applying the principle of rapid solidification to aluminum and iron alloy powder and subsequent development of stronger alloy compositions for fan blade application (Al alloys) and higher speed bearing materials (Fe alloys). Centrifugal atomization and forced convective cooling are being used to produce the fast cooled powder. During this report period, adaptation of the RSR process to aluminum and iron systems was continued. The evaluation of the first aluminum alloy matrix was partially completed, and a second matrix was selected. Hardness testing and microstructural evaluation of Fe alloys was performed. (Author).
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solidification of Aluminum Alloys by : Men G. Chu
Download or read book Solidification of Aluminum Alloys written by Men G. Chu and published by Wiley-TMS. This book was released on 2004-03 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume addresses progress in the application of solidificationprinciples to the production of aluminum alloys. Topics includemicrostructure evolution, phase formation and solidification pathanalysis, grain refinement, micro/macro-segregation, mechanicalbehavior/properties in the mushy state, solidificationcracking/tearing, gas/shrinkage porosity formation, effect ofimpurities/trace elements, and the impact of cast structure on thesubsequent fabrication and properties of finished products. Paperson the experimental or theoretical simulation of solidificationaspects of casting processes including direct chill casting,continuous casting, shaped casting, semi-solid processing, andother advanced casting technologies are also included, as well asexamples showing the use of solidification principles to solveindustrial problems. From ahref="http://www.tms.org/Meetings/Annual-04/AnnMtg04Home.html"target="_blank"2004 TMS Annual Meeting/a to be held inCharlotte, North Carolina, March 14 - 18, 2004.
