Contribution au développement d'alliages à base de cuivre mis en forme par projection thermique

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (491 download)

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Book Synopsis Contribution au développement d'alliages à base de cuivre mis en forme par projection thermique by : Lucas Dembinski

Download or read book Contribution au développement d'alliages à base de cuivre mis en forme par projection thermique written by Lucas Dembinski and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Cette étude s'inscrit dans le développement d'alliages à base cuivre mis en forme par projection thermique sous pression réduite et atmosphère neutre. Les alliages à base cuivre renforcés par précipitation possèdent un bon compromis entre les propriétés mécaniques et thermiques. En vue d'optimiser les propriéts de ces alliages plasma-formés, trois axes de recherches ont été étudiés. La première voie s'interesse à l'influence des paramètres du procédé de projection thermique sur des alliages Cu-Ag élaborés à partir de mélanges de poudres Cu + Ag. Les différentes caractérisations montrent que le mélange de poudres doit être projeté sur un substrat préchauffé afin d'avoir un faible taux de porosité et une mise en solution " in situ " de l'argent qui précipitera lors du refroidissement des pièces. Cependant après élaboration, les analyses ont montré qu'une certaine quantité d'argent était évaporée. Cette quantité dépend de la granulométrie de la poudre d'argent et de la puissance du plasma. La seconde phase aborde l'influence de la teneur en argent dans des alliages de base Cu-Ag-Zr. Les résultats montrent que la stabilité à haute température des précipités riches en zirconium dépend du rapport atomique Zr/Ag. Les propriétés de ces alliages ont été optimisées par traitements thermiques. Les cinétiques de durcissement ont été établies et les évolutions microstructurales analysées au MEB. Face à une certaine sensibilité des alliages Cu-Ag-Zr vis-à-vis du procédé de projection thermique, la dernière partie de ce travail est consacrée à l'étude d'une nouvelle famille d'alliage base Cu-Cr-Nb moins sensible au procédé d'élaboration. La phase Cr2Nb, très stable à haute température, a pu être synthétisée en partant du mélange de poudres CuCr et CuNb. Les résultats montrent également que, pour ce type d'alliage, le cyclage thermique rapide de la torche à plasma permet un affinement de la microstructure, ce qui produit un gain de dureté par rapport à la poudre initiale.

The Science of metals

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (162 download)

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Book Synopsis The Science of metals by : Zay Jeffries

Download or read book The Science of metals written by Zay Jeffries and published by . This book was released on 1924 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Surface Modification Technologies XIV

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ISBN 13 : 9780871707338
Total Pages : 672 pages
Book Rating : 4.7/5 (73 download)

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Book Synopsis Surface Modification Technologies XIV by : T. S. Sudarshan

Download or read book Surface Modification Technologies XIV written by T. S. Sudarshan and published by . This book was released on 2001 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface Modification Technologies XIV presents the reviewed and edited proceedings of the SMT conference held September 2000, in Paris. The proceedings describe state-of-the-art surface engineering work in thermal spray, high-performance coatings, biomaterials, PVD, CVD, testing, wear resistance, laser-assisted surface modification, corrosion, and other topics. Contents include: Thermal spraying; High performance coatings; Bio materials; Testing and analysis; PVD and CVD; Wear; Laser processing; Corrosion and fatigue; Arts and surfaces; Plasma-assisted and advanced processes; Modeling; and Poster presentations.

Thermal Spray 2004

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Publisher : ASM International
ISBN 13 : 1615031014
Total Pages : 1147 pages
Book Rating : 4.6/5 (15 download)

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Book Synopsis Thermal Spray 2004 by :

Download or read book Thermal Spray 2004 written by and published by ASM International. This book was released on 2004-01-01 with total page 1147 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contact With Space: Oranur; Second Report 1951 - 1956

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ISBN 13 : 9781949140965
Total Pages : 0 pages
Book Rating : 4.1/5 (49 download)

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Book Synopsis Contact With Space: Oranur; Second Report 1951 - 1956 by : Wilhelm Reich

Download or read book Contact With Space: Oranur; Second Report 1951 - 1956 written by Wilhelm Reich and published by . This book was released on 2018-10-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wilhelm Reich's final publication, Contact With Space contains the result of six years of intensive research and field work: a natural scientific account of and the basis of practical measures for combating the DOR emergency. This volume is an exposition of the newest developments in the technology of Cosmic Orgone Engineering, which involve the use of "Spacegun," an extension of the cloudbuster made possible by the discovery of ORUR.During Reich's scientific expedition to southern Arizona (1954-1955)--which he documents in this book--it was Cosmic Orgone Engineering that caused desert land to turn green with prairie grass. Here Reich submits a natural scientific explanation of the metabolism of the Life Energy, a study which goes into the nature of primal vegetation, and the nature of dying or death of vegetation, i.e., desert development.Nature being one, Contact With Space examines the new basic energetic facts brought into the open by the Oranur Experiment in terms of the various branches of science into which they ramify: biophysics, Oranur medicine, astrophysics, meteorology, chemistry and pre-atomic chemistry, space technology, man's reactions to these events, etc. It also deals with the methods of the functional scientist.Written under unrelenting attack from conspiratorial commercial interests, this book gives some of the background into the difficult social and physical milieu in which this research was done, and conveys the excitement of the adventures that began the cosmic or "atomic" age.

Lasers in Surface Engineering

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Publisher : ASM International
ISBN 13 : 9781615032235
Total Pages : 622 pages
Book Rating : 4.0/5 (322 download)

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Book Synopsis Lasers in Surface Engineering by : Narendra B. Dahotre

Download or read book Lasers in Surface Engineering written by Narendra B. Dahotre and published by ASM International. This book was released on 1998-01-01 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents various facets of laser surface treatment, emphasizing technologies that are expected to be important soon. The topics include fundamentals and types, surface texturing, heat treatment, metallic and intermetallic coating, the laser deposition of ceramic coatings, polymeric coatings, the cor

Thermal Spray 2007: Global Coating Solutions: Proceedings of the 2007 International Thermal Spray Conference

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Publisher : ASM International
ISBN 13 : 1615031278
Total Pages : 1246 pages
Book Rating : 4.6/5 (15 download)

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Book Synopsis Thermal Spray 2007: Global Coating Solutions: Proceedings of the 2007 International Thermal Spray Conference by : Edited by Basil R. Marple, Margaret M. Hyland, Yuk-Chiu Lau, Chang-Jiu Li, Rogerio S. Lima, Ghislain Montavon

Download or read book Thermal Spray 2007: Global Coating Solutions: Proceedings of the 2007 International Thermal Spray Conference written by Edited by Basil R. Marple, Margaret M. Hyland, Yuk-Chiu Lau, Chang-Jiu Li, Rogerio S. Lima, Ghislain Montavon and published by ASM International. This book was released on with total page 1246 pages. Available in PDF, EPUB and Kindle. Book excerpt:

L'Esprit de L'Escalier

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Publisher : CreateSpace
ISBN 13 : 9781494798741
Total Pages : 140 pages
Book Rating : 4.7/5 (987 download)

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Book Synopsis L'Esprit de L'Escalier by : Dominique / D. Bonten /

Download or read book L'Esprit de L'Escalier written by Dominique / D. Bonten / and published by CreateSpace. This book was released on 2014-01 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'esprit de L'escalier is a French term for when you think of what you should have said after it is too late. This is a collection of poetry; These are things you wish you said.

Mechanics of Solid Interfaces

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Publisher : John Wiley & Sons
ISBN 13 : 1118588185
Total Pages : 259 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Mechanics of Solid Interfaces by : Muriel Braccini

Download or read book Mechanics of Solid Interfaces written by Muriel Braccini and published by John Wiley & Sons. This book was released on 2013-05-21 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: The growing occurrence of heterogeneous materials such as composites or coated substrates in structural parts makes it necessary for designers and scientists to deal with the specific features of the mechanical behavior of solid interfaces. This book introduces basic concepts on mechanical problems related to the presence of solid/solid interfaces and their practical applications. The various topics discussed here are the mechanical characterization of interfaces, the initiation and growth of cracks along interfaces, the origin and control of interface adhesion, focusing in particular on thin films on substrate systems. It is designed and structured to provide a solid background in the mechanics of heterogeneous materials to help students in materials science, as well as scientists and engineers.

The Evolution of Technology

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Publisher : Cambridge University Press
ISBN 13 : 1316101584
Total Pages : 262 pages
Book Rating : 4.3/5 (161 download)

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Book Synopsis The Evolution of Technology by : George Basalla

Download or read book The Evolution of Technology written by George Basalla and published by Cambridge University Press. This book was released on 1989-02-24 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an evolutionary theory of technological change based upon recent scholarship in the history of technology and upon relevant material drawn from economic history and anthropology. It challenges the popular notion that technology advances by the efforts of a few heroic individuals who produce a series of revolutionary inventions owing little or nothing to the technological past. Therefore, the book's argument is shaped by analogies taken selectively from the theory of organic evolution, and not from the theory and practice of political revolution. Three themes appear, and reappear with variations, throughout the study. The first is diversity: an acknowledgment of the vast numbers of different kinds of made things (artifacts) that have long been available to humanity; the second is necessity: the belief that humans are driven to invent new artifacts in order to meet basic biological requirements such as food, shelter, and defense; and the third is technological evolution: an organic analogy that explains both the emergence of novel artifacts and their subsequent selection by society for incorporation into its material life without invoking either biological necessity or technological progress. Although the book is not intended to provide a strict chronological account of the development of technology, historical examples - including many of the major achievements of Western technology: the waterwheel, the printing press, the steam engine, automobiles and trucks, and the transistor - are used extensively to support its theoretical framework. The Evolution of Techology will be of interest to all readers seeking to learn how and why technology changes, including both students and specialists in the history of technology and science.

Surface Modification Technologies XVIII

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Publisher : CRC Press
ISBN 13 : 9781904350231
Total Pages : 0 pages
Book Rating : 4.3/5 (52 download)

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Book Synopsis Surface Modification Technologies XVIII by : Institute of Materials, Minerals, and Mining

Download or read book Surface Modification Technologies XVIII written by Institute of Materials, Minerals, and Mining and published by CRC Press. This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 2006. Routledge is an imprint of Taylor & Francis, an informa company.

ITSC 2009

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ISBN 13 : 9781615030040
Total Pages : pages
Book Rating : 4.0/5 (3 download)

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Book Synopsis ITSC 2009 by : Basil Richard Marple

Download or read book ITSC 2009 written by Basil Richard Marple and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technology in Western Civilization: Technology in the twentieth century

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Publisher : Oxford University Press, USA
ISBN 13 :
Total Pages : 792 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Technology in Western Civilization: Technology in the twentieth century by : Melvin Kranzberg

Download or read book Technology in Western Civilization: Technology in the twentieth century written by Melvin Kranzberg and published by Oxford University Press, USA. This book was released on 1967 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete and well-planned account of the history of technology in Western civilization from pre-historic man to the present age of the computer.

THERMEC 2016

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Publisher : Trans Tech Publications Ltd
ISBN 13 : 3035731292
Total Pages : 2720 pages
Book Rating : 4.0/5 (357 download)

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Book Synopsis THERMEC 2016 by : C. Sommitsch

Download or read book THERMEC 2016 written by C. Sommitsch and published by Trans Tech Publications Ltd. This book was released on 2016-11-15 with total page 2720 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the 9-th International Conference on Processing and Manufacturing of Advanced Materials – THERMEC’2016, which took place between May 29 and June 3, 2016 in Graz, Austria, under the co-sponsorship of The Minerals, Metals & Materials Society (TMS), USA. The Conference was also under the international auspices of professional organizations from Japan, Korea, France, Italy, The Netherlands, Germany, Brazil, Austria, India, and Canada. The Conference was intended to bring together the researchers and engineers/technologists working in different aspects of processing, fabrication, structure/property evaluation and applications of both ferrous and nonferrous materials including biomaterials, and smart/intelligent materials as well as the advanced characterisation techniques. In addition to the contributed papers, the conference committee included in the final program the invited presentations by active researchers from various countries in several topic areas covered at THERMEC’2016.

Power Reactor Development

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ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Power Reactor Development by :

Download or read book Power Reactor Development written by and published by . This book was released on 1960 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Journal de Physique

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ISBN 13 :
Total Pages : 848 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Journal de Physique by :

Download or read book Journal de Physique written by and published by . This book was released on 1991 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Encyclopaedia of the History of Technology

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Publisher :
ISBN 13 : 9780415147927
Total Pages : 1062 pages
Book Rating : 4.1/5 (479 download)

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Book Synopsis An Encyclopaedia of the History of Technology by : Ian McNeil

Download or read book An Encyclopaedia of the History of Technology written by Ian McNeil and published by . This book was released on 1996 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt: Available for the first time in paperback, this volume includes twenty-two chapters by international experts covering the entire history of technology from humankind's earliest use of stone tools to the exploration of space. Written clearly and without unnecessary jargon, each chapter traces the development of its subject from earliest times to the present day, stressing the social context and its place in scientific thought. * Usefully drawn with over 150 tables, drawings and photographs * Two comprehensive indexes of names and subjects * Essential reading for teachers and students in the History and Philosophy of Science and Technology, Industrial History and Archaeology.