High Energy Rate Compaction of Rapidly Solidified Metal Powders PDF Download
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Author:
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Category :
Languages : en
Pages :
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Book Description
It is concluded that explosive compaction of metal powders will not be afeasible process, unless a number of problems are solved. These problemsinclude a lack of bonding between the particles, the tendency for crackingand the presence of high levels of residual stresses in the sample.
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Category :
Languages : en
Pages :
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Book Description
It is concluded that explosive compaction of metal powders will not be afeasible process, unless a number of problems are solved. These problemsinclude a lack of bonding between the particles, the tendency for crackingand the presence of high levels of residual stresses in the sample.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 39
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Book Description
Rapid solidification (R.S.) involves processes in which a molten alloy (or element) is cooled to a solid at a rate which is fast enough that the final system is not in an equilibrium state for that alloy. Since R.S. materials are formed from non-equilibrium processes, the products are inherently thermally unstable. For many applications, the production of bulk, solid components from R.S. powders by some type of consolidation process is required. One method being considered is that of shock wave compaction, which has the potential of treating (and possibly melting) the outside of the powder particles, a feature which is desirable in the bonding of thermally unstable materials. Cylindrical compaction, which must be carried out using explosives, has fewer equipment requirements, but tends to generate a structurally unsound region along the centre of the sample. This study used water atomized iron and nickel-aluminium-bronze powders for cylindrical compaction trials. This final report summarizes the work carried out and describes the method.
Author: T.S. Sudarshan
Publisher: CRC Press
ISBN: 9780877629269
Category : Technology & Engineering
Languages : en
Pages : 798
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Book Description
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.
Author: R Prummer
Publisher: CRC Press
ISBN: 1482294338
Category : Science
Languages : en
Pages : 206
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Book Description
This monograph discusses in detail the compacting conditions and the resultant structure and properties of metals, composites and ceramics. It covers the basic aspects of science and technology of explosive compaction. Comprise chapters on Shock Waves in Matter, Technology of Explosive Compaction, Explosive Compaction of Metallic Powders, Explosive
Author: American Society of Mechanical Engineers. Pressure Vessels and Piping Division
Publisher:
ISBN:
Category : Explosive forming
Languages : en
Pages : 328
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Book Description
Author: A.G. Mamalis
Publisher: CRC Press
ISBN: 0429524668
Category : Science
Languages : en
Pages : 256
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Book Description
The discovery of high-temperature superconductivity [1986] by Bendnorz and Muller in the La-BA-Cu-O system resulted in very extensive research work about the discovery and synthesis of other high-temperature superconductors, such as Y-BA-Cu-O and Bi-Sr-Ca-Cu-O. These new superconducting materials, possessing superconductivity above liquid nitrogen
Author: T. R. Anantharaman
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 276
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Book Description
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.
Author:
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Category : Aeronautics
Languages : en
Pages : 1572
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Book Description
Author:
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Category : Power resources
Languages : en
Pages : 1550
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Book Description
Author: Vitali Nesterenko
Publisher: Springer Science & Business Media
ISBN: 1475735243
Category : Technology & Engineering
Languages : en
Pages : 528
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Book Description
This monograph deals with the behavior of essentially nonlinear heterogeneous materials in processes occurring under intense dynamic loading, where microstructural effects play the main role. This book is not an introduction to the dynamic behavior of materials, and general information available in other books is not included. The material herein is presented in a form I hope will make it useful not only for researchers working in related areas, but also for graduate students. I used it successfully to teach a course on the dynamic behavior of materials at the University of California, San Diego. Another course well suited to the topic may be nonlinear wave dynamics in solids, especially the part on strongly nonlinear waves. About 100 problems presented in the book at the end of each chapter will help the reader to develop a deeper understanding of the subject. I tried to follow a few rules in writing this book: (1) To focus on strongly nonlinear phenomena where there is no small parameter with respect to the amplitude of disturbance, including solitons, shock waves, and localized shear. (2) To take into account phenomena sensitive to materials structure, where typical space scale of material parameters (particle size, cell size) are presented in the models or are variable in experimental research.
