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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: David H. Kirkwood
Publisher: Springer Science & Business Media
ISBN: 3642007066
Category : Technology & Engineering
Languages : en
Pages : 170
Get Book Here
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: Springer
ISBN: 3319403354
Category : Technology & Engineering
Languages : en
Pages : 372
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Book Description
This book describes in great detail the semi-solid processing of aluminum alloys. The authors examine the fundamentals of semi-solid metal processing, provide guidelines for research, illustrate the tools that are employed, and explain the measured parameters for semi-solid processing characterization.
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: Gerhard Hirt
Publisher: John Wiley & Sons
ISBN: 3527623973
Category : Technology & Engineering
Languages : en
Pages : 474
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Book Description
Offering a sound technological overview, while also including the fundamental aspects, this book provides the knowledge needed to master the highly challenging process characteristics for successful application in industrial production. It summarizes the first-hand experience gained from twelve years of collaborative research covering materials science, rheology, casting and forming, control and surface technology as well as the modeling of flow behavior, tool engineering and systems engineering, and thus treats all the vital aspects of this field. For materials scientists, physicists, engineers, and those working in the metal processing industry.
Author: V. C. Pandey
Publisher: Springer Nature
ISBN: 9811554633
Category : Technology & Engineering
Languages : en
Pages : 1008
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Book Description
This book comprises select peer-reviewed papers from the International Conference on Emerging Trends in Electromechanical Technologies & Management (TEMT) 2019. The focus is on current research in interdisciplinary areas of mechanical, electrical, electronics and information technologies, and their management from design to market. The book covers a wide range of topics such as computer integrated manufacturing, additive manufacturing, materials science and engineering, simulation and modelling, finite element analysis, operations and supply chain management, decision sciences, business analytics, project management, and sustainable freight transportation. The book will be of interest to researchers and practitioners of various disciplines, in particular mechanical and industrial engineering.
Author: Frank Czerwinski
Publisher: Springer Science & Business Media
ISBN: 0387725288
Category : Technology & Engineering
Languages : en
Pages : 604
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Book Description
The objective of this book, being the first one on magnesium injection molding, is to treat both the scientific background and the technological aspects as they are understood at present. All aspects of material development, manufacturing and engineering are covered. The book provides a single source of information covering the interdisciplinary field of net shape forming of magnesium alloys. It reflects a unique blend of science and industrial practice.
Author: Heinrich Möller
Publisher: Trans Tech Publications Ltd
ISBN: 3038138975
Category : Technology & Engineering
Languages : en
Pages : 584
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Book Description
Selected, peer reviewed papers from the 12th International Conference on Semi-Solid Processing of Alloys and Composites (S2P 2012), October 8–11, 2012, Cape Town, South Africa
Author: Michael Modigell
Publisher: Trans Tech Publications Ltd
ISBN: 3038266035
Category : Technology & Engineering
Languages : en
Pages : 509
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Book Description
Selected, peer reviewed papers from the 13th International Conference on Semi-Solid Processing of Alloys and Composites (S2P 2014), September 15-17, 2014, Muscat, Sultanate of Oman
Author: Annalisa Pola
Publisher: Trans Tech Publications Ltd
ISBN: 3036411801
Category : Technology & Engineering
Languages : en
Pages : 292
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Book Description
Selected peer-reviewed extended articles based on abstracts presented at the 17th International Conference on Semi-Solid Processing of Alloys and Composites (S2P) Aggregated Book
Author: Helen V. Atkinson
Publisher:
ISBN: 9783832272128
Category :
Languages : en
Pages : 175
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Book Description
Semi-solid processing of metallic alloys is gaining increasing application in industry for producing components.Modelling die fill is critical to sucessful application, making die design efficient and effective and giving higher quality components.The subject is a challenging one to understand the scientific basis so that modelling can be improved.The chapters are written by leading specialists in the field and aim to give a throrough background. Topics covered include : a general introduction;fundamentals of rheology;one phase fluid dynamics modelling;two phase modelling;the similarities and differences between modelling approaches based on solid mechanics and those based on fluid mechanics;micromechanics and homogenization techniques;and the experimental determination of parameters for modelling.
