Fundamentals of Alloy Solidification Applied to Industrial Processes PDF Download
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Author:
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 198
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Book Description
Solidification processes and phenomena, segregation, porosity, gravity effects, fluid flow, undercooling, as well as processing of materials in the microgravity environment of space, now available on space shuttle flights were discussed.
Author:
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 198
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Book Description
Solidification processes and phenomena, segregation, porosity, gravity effects, fluid flow, undercooling, as well as processing of materials in the microgravity environment of space, now available on space shuttle flights were discussed.
Author:
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ISBN:
Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: United States. Office of Space Science and Applications
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 186
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Author: Frederick H. Harf
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: W. Kurz
Publisher: CRC Press
ISBN:
Category : Science
Languages : en
Pages : 320
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Book Description
The cover of this iteration (previous, 1989; first, 1984) features a snowflake-like dendrite, as typically seen on the surface of a polished section of a solidified alloy. Kurtz (materials, Swiss Federal Institute of Technology, Lusanne) and Fisher (editor, Diffusion and Defect Data, Scitec Publications; Uetikon- Zurich, Switzerland) explain how such solidification phenomena play an important role in many of the processes used in fields ranging from production engineering to solid-state physics, before proceeding to the specifics of: atom transfer and morphological instability at the solid/liquid interface, solidification microstructures, and solute redistribution. A cursory overview can be derived from the text and figure captions; appendices supply the mathematical derivations and physical properties. Annotation copyrighted by Book News, Inc., Portland, OR
Author: Hasse Fredriksson
Publisher: John Wiley & Sons
ISBN: 1119978327
Category : Technology & Engineering
Languages : en
Pages : 837
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Book Description
Solidification and Crystallization Processing in Metals and Alloys Hasse Fredriksson KTH, Royal Institute of Technology, Stockholm, Sweden Ulla Åkerlind University of Stockholm, Sweden Solidification or crystallization occurs when atoms are transformed from the disordered liquid state to the more ordered solid state, and is fundamental to metals processing. Conceived as a companion volume to the earlier works, Materials Processing during Casting (2006) and Physics of Functional Materials (2008), this book analyzes solidification and crystallization processes in depth. Starting from the thermodynamic point of view, it gives a complete description, taking into account kinetics and mass transfer, down to the final structure. Importantly, the book shows the relationship between the theory and the experimental results. Topics covered include: Fundamentals of thermodynamics Properties of interfaces Nucleation Crystal growth - in vapours, liquids and melts Heat transport during solidification processes Solidification structures - faceted, dendritic, eutectic and peritectic Metallic glasses and amorphous alloy melts Solidification and Crystallization Processing in Metals and Alloys features many solved examples in the text, and exercises (with answers) for students. Intended for Masters and PhD students as well as researchers in Materials Science, Engineering, Chemistry and Metallurgy, it is also a valuable resource for engineers in industry.
Author: David H. Kirkwood
Publisher: Springer Science & Business Media
ISBN: 3642007066
Category : Technology & Engineering
Languages : en
Pages : 170
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Book Description
Semisolid metallurgy (SSM) is now some 37-years-old in terms of time from its conception and ?rst reduction to practice in the laboratory. In the intervening years, there has been a steadily growing body of research on the subject and the beginning of signi?cant industrial applications. The overall ?eld of SSM comprises today a large number of speci?c process routes, almost all of which fall in the category of either “Rheocasting” or Thi- casting.” The former begins with liquid metal and involves agitation during partial solidi?cation followed by forming. The latter begins with solid metal of suitable structure and involves heating to the desired fraction solid and forming. Research over the past 37 years, and particularly over the last decade, has provided a detailed picture of process fundamentals and led to a wide range of speci?c SSM processes and process innovations. Industrial studies and actual p- duction experience are providing a growing picture of the process advantages and limitations. At this time, the conditions for eventual wide adoption of SSM appear favorable, both for nonferrous and ferrous alloys. It must, however, be recognized that major innovations, such as SSM become adopted only slowly by industries where capital costsarehigh,pro?tmarginsaremodest,andfailuretomeetcustomercommitments carries a high penalty.
Author: Shahrooz Nafisi
Publisher: MDPI
ISBN: 3039289756
Category : Technology & Engineering
Languages : en
Pages : 228
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Book Description
Semi-solid metal (SSM) processing, as a viable alternative manufacturing route to those of conventional casting and forging, has not yet been fully exploited despite nearly half a century since its introduction to the metal industry. The slow pace of adopting SSM routes may be due to various reasons, including capital costs, profit margins, and, most importantly, the lack of detailed analysis of various SSM processes in open literature to confidently establish their advantages over more conventional routes. Therefore, the SSM community must disseminate their findings more effectively to generate increased confidence in SSM processes in the eyes of our industrial leaders. As such, we have embarked on the task to invite the leaders in SSM research to share their findings in a Special Issue dedicated to semi-solid processing of metals and composites. SSM processing takes advantage of both forming and shaping characteristics usually employed for liquid and solid materials. In the absence of shear forces, the semi-solid metal has similar characteristics to solids, i.e., easily transferred and shaped; by applying a defined force, the viscosity is reduced and the material flows like a liquid. These unique dual characteristics have made SSM routes attractive alternatives to conventional casting on an industrial scale. With the intention of taking full advantage of SSM characteristics, it is crucial to understand SSM processing, including topics such as solidification and structural evolution, flow behavior through modelling and rheology, new processes and process control, alloy development, and properties in general. This Special Issue focuses on the recent research and findings in the field with the aim of filling the gap between industry and academia, and to shed light on some of the fundamentals of science and technology of semi-solid processing.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 410
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Book Description
