Contribution A Letude Des Textures De Deformation Des Alliages Hexagonaux

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Contribution à l'étude des textures de déformation des alliages hexagonaux

Author : Fateh-Eddine Mellab
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Contribution à l'étude des textures de déformation des alliages hexagonaux by : Fateh-Eddine Mellab

Download or read book Contribution à l'étude des textures de déformation des alliages hexagonaux written by Fateh-Eddine Mellab and published by . This book was released on 1992 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Une réorientation des grains, usuellement observée au cours d'une déformation plastique, conduit généralement à une nouvelle texture que l'on peut relier à la texture initiale. Ceci en vue de préciser le mécanisme de passage de l'état non déformé à l'état déformé. L'adaptation d'un modèle de déformation (notamment le modèle de Taylor) au problème de la mise en forme (principalement par laminage) nous a permis une certaine compréhension de certains mécanismes de déformation dans les matériaux de symétrie hexagonale. Ceci à partir de l'étude de l'évolution de leurs textures cristallographiques. Pour cela il est, d'abord, primordial de pouvoir déterminer la texture de la facon la plus précise possible. Nous avons alors exploité les conditions de positivite respectives des figures de pôles et de la fonction de texture. Ce qui nous a conduit à des solutions beaucoup plus sensées et beaucoup plus précises. Les applications effectuées sur le titane, le zirconium et le zinc confirment que l'évolution de la texture de déformation, par conséquent, l'intervention des mécanismes de déformation est étroitement corrélée avec l'évolution de la microstructure

Contribution à l'étude des modifications de texture par déformation et transformation dans les matériaux de basse symétrie

Author : Francis Wagner
Publisher :
ISBN 13 :
Total Pages : 207 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Contribution à l'étude des modifications de texture par déformation et transformation dans les matériaux de basse symétrie by : Francis Wagner

Download or read book Contribution à l'étude des modifications de texture par déformation et transformation dans les matériaux de basse symétrie written by Francis Wagner and published by . This book was released on 1983 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: Etude théorique des textures pour les matériaux de basse symétrie et établissement de formules analytiques et de programmes nécessaires à leur mise en oeuvre. Examen de deux exemples de transformations de texture : celle observée lors de la réduction d'un minerai de fer et celle rencontrée dans les alliages fer-nickel. Etude d'échantillons de calcite et évaluation de la contribution de la partie impaire de la fonction de texture pour les matériaux de basse symétrie. Etude des mécanismes de déformation dans de tels matériaux

Contribution à l'étude de la déformation des matériaux hexagonaux

Author : Marie-Jeanne Philippe
Publisher :
ISBN 13 :
Total Pages : 512 pages
Book Rating : 4.:/5 (493 download)

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Book Synopsis Contribution à l'étude de la déformation des matériaux hexagonaux by : Marie-Jeanne Philippe

Download or read book Contribution à l'étude de la déformation des matériaux hexagonaux written by Marie-Jeanne Philippe and published by . This book was released on 1983 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contribution à l'étude de l'aptitude au formage d'alliages de symétrie hexagonale

Author : Jean-Jacques Fundenberger
Publisher :
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (494 download)

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Book Synopsis Contribution à l'étude de l'aptitude au formage d'alliages de symétrie hexagonale by : Jean-Jacques Fundenberger

Download or read book Contribution à l'étude de l'aptitude au formage d'alliages de symétrie hexagonale written by Jean-Jacques Fundenberger and published by . This book was released on 1992 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pour emboutir une tôle, l'état de contrainte doit être tel que la déformation soit permanente mais en même temps l'état de déformation doit rester en deça de la striction ou de la rupture. Les courbes limite d'écoulement plastique (CLEP) et les courbes limite de formage (CLF) définissent les deux états limites entre lesquels le matériau se situe lors d'une opération de mise en forme emboutissage. Le calcul des CLEP est basé sur un modèle de Taylor de déformation plastique couplé à la fonction de densité des orientations (FDO) qui représente la texture cristallographique. La détermination théorique des CLEP dans le cas d'alliages de symétrie hexagonale a été appliquée à deux alliages de titane, un alliage de zirconium et un alliage de zinc. Les résultats de la modélisation sont confrontés aux valeurs expérimentales dans le cas de la variation dans le plan de la tôle de la limite élastique et du coefficient d'anisotropie. L'évolution de texture en laminage à froid modélisée est comparée aux résultats expérimentaux et met en évidence un écrouissage anisotre. Les résultats obtenus avec un modèle statique confirment globalement ceux obtenus avec le modèle de Taylor. La mise en oeuvre d'autres modèles (auto-cohérents notamment) devrait permettre de vérifier que les cissions critiques sont indépendantes du modèle utilisé. Les CLF expérimentales ont été mesurées pour les quatres alliages. Les CLEP sont utilisées comme critère plastique dans le calcul des CLF grâce à une approche avec défaut initial du type Marciniak, Kuczynski. Les résultats théoriques sont comparés aux valeurs expérimentales

Contribution à l'étude des mécanismes de la déformation plastique du niobium et de ses alliages entre 20 et 1200° C

Author : Philippe Mazot
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (464 download)

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Book Synopsis Contribution à l'étude des mécanismes de la déformation plastique du niobium et de ses alliages entre 20 et 1200° C by : Philippe Mazot

Download or read book Contribution à l'étude des mécanismes de la déformation plastique du niobium et de ses alliages entre 20 et 1200° C written by Philippe Mazot and published by . This book was released on 1970 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contribution à l'étude des mécanismes de déformation dans un alliage Zy-4

Author : Gina Roxana PRAELLI-FRANOWSKY
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (494 download)

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Book Synopsis Contribution à l'étude des mécanismes de déformation dans un alliage Zy-4 by : Gina Roxana PRAELLI-FRANOWSKY

Download or read book Contribution à l'étude des mécanismes de déformation dans un alliage Zy-4 written by Gina Roxana PRAELLI-FRANOWSKY and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mechanical Behavior of Anisotropic Solids / Comportment Méchanique des Solides Anisotropes

Author : J.P. Boehler
Publisher : Springer Science & Business Media
ISBN 13 : 9400968272
Total Pages : 926 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Mechanical Behavior of Anisotropic Solids / Comportment Méchanique des Solides Anisotropes by : J.P. Boehler

Download or read book Mechanical Behavior of Anisotropic Solids / Comportment Méchanique des Solides Anisotropes written by J.P. Boehler and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1978, the European Mechanics Committee and the French Centre National de la Recherche Scientifique agreed to the organization of an Interna tional Colloquium on the "Mechanical Behavior of Anisotropic Solids". The meeting was held at Villard-de-Lans (near Grenoble, France) from 19th to 22 nd June 1979. The Colloquium considered mechanical aspects of the anisotropy of solids, both initial and induced by permanent deformation, anisotropic hardening and damage, oriented fissuration, etc. Topics concerned mathematical, experimental and engineering aspects of the anisotropy of metals, composites, soils and rocks. The aim of the Colloquium was to bring together experimentalists, theoretecians and engineers interested in various features of mechanical anisotropy, in order to permit an interdisciplinary exchange of understanding, experience and methods. A detailed description of the scope, aim and proposed topics is contained in the Preface. The announcement of the Colloquium attracted a large number of sub mitted contributions. Conforming with the principles of Euromech Colloquia and of the Colloques Internationaux du CNRS, the accepted contributions were limited to 50 communications. A general description of the scientific program is to be found in the Preface. Five general lectures gave state-of-the-art reports concerning some areas of the behavior of anisotropic solids; the 50 communications were divided into 12 sessions dealing with specific topics (see "Contents"). In order to facilitate subsequent contact between the reader and the contributors, full addresses are given in the "List of Authors."

Small-Angle Scattering of X-Rays

Author : Andre Guinier
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (622 download)

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Book Synopsis Small-Angle Scattering of X-Rays by : Andre Guinier

Download or read book Small-Angle Scattering of X-Rays written by Andre Guinier and published by . This book was released on 1974 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Solid State

Author : André Guinier
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Solid State by : André Guinier

Download or read book The Solid State written by André Guinier and published by . This book was released on 1989 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Updated translation from the French of a work first published in 1987, and intended as a sequel to the principal author's The structure of matter: from the blue sky to liquid crystals (1984). Intended to engage the interest of undergraduates and general readers, the book treats (in five chapters) the thermal, electrical, magnetic and mechanical properties of solids, and (in the final chapter) diffusion. Cleanly written and nicely illustrated descriptive text, with all mathematical material confined to boxes that some readers might want to omit in their entirety. (NW) Annotation copyrighted by Book News, Inc., Portland, OR

High-Entropy Alloys

Author : Michael C. Gao
Publisher : Springer
ISBN 13 : 3319270133
Total Pages : 524 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis High-Entropy Alloys by : Michael C. Gao

Download or read book High-Entropy Alloys written by Michael C. Gao and published by Springer. This book was released on 2016-04-27 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a systematic and comprehensive description of high-entropy alloys (HEAs). The authors summarize key properties of HEAs from the perspective of both fundamental understanding and applications, which are supported by in-depth analyses. The book also contains computational modeling in tackling HEAs, which help elucidate the formation mechanisms and properties of HEAs from various length and time scales.

Complex Inorganic Solids

Author : Patrice E. A. Turchi
Publisher : Springer Science & Business Media
ISBN 13 : 0387259538
Total Pages : 420 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Complex Inorganic Solids by : Patrice E. A. Turchi

Download or read book Complex Inorganic Solids written by Patrice E. A. Turchi and published by Springer Science & Business Media. This book was released on 2007-12-31 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the key aspects of this volume is to cut across the traditional taxonomy of disciplines in the study of alloys. Hence there has been a deliberate attempt to integrate the different approaches taken towards alloys as a class of materials in different fields, ranging from geology to metallurgical engineering. The emphasis of this book is to highlight commonalities between different fields with respect to how alloys are studied. The topics in this book fall into several themes, which suggest a number of different classification schemes. We have chosen a scheme that classifies the papers in the volume into the categories Microstructural Considerations, Ordering, Kinetics and Diffusion, Magnetic Considerations and Elastic Considerations. The book has juxtaposed apparently disparate approaches to similar physical processes, in the hope of revealing a more dynamic character of the processes under consideration. This monograph will invigorate new kinds of discussion and reveal challenges and new avenues to the description and prediction of properties of materials in the solid state and the conditions that produce them.

Advanced Techniques for Surface Engineering

Author : W. Gissler
Publisher : Springer Science & Business Media
ISBN 13 : 940170631X
Total Pages : 402 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Advanced Techniques for Surface Engineering by : W. Gissler

Download or read book Advanced Techniques for Surface Engineering written by W. Gissler and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today's shortages of resources make the search for wear and corrosion resistant materials one of the most important tasks of the next century. Since the surface of a material is the location where any interaction occurs, it is that there the hardest requirements on the material are imposed: to be wear resistant for tools and bearings; to be corrosion resistant for turbine blades and tubes in the petrochemical industry; to be antireflecting for solar cells; to be decorative for architectural panels and to combine several of these properties in other applications. Surface engineering is the general term that incorporates all the techniques by which a surface modification can be accomplished. These techniques include both coating and modification of the surface by ion implantation and laser beam melting. In recent years a continuously growing number of these techniques were developed to the extent that it became more and more difficult to maintain an overlook and to understand which of these highly differentiated techniques might be applied to resolve a given surface engineering problem. A similar development is also occuring for surface characterization techniques. This volume contains contributions from renowned scientists and engineers to the Eurocourse the aim of which was to inform about the various techniques and to give a comprehensive survey of the latest development on this subject.

Titanium

Author : Gerd Lütjering
Publisher : Springer Science & Business Media
ISBN 13 : 3540713980
Total Pages : 385 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Titanium by : Gerd Lütjering

Download or read book Titanium written by Gerd Lütjering and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors were motivated to prepare this book by the absence of any recent comprehensive book on titanium. The intent of this book is to provide a modern compendium that addresses both the phyical metallurgy as well as the applications of titanium. Until now the only book on this subject is that by Zwicker which was written in German and published almost 30 years ago. Chapter 1 is an introduction to the subject including some historical aspects of titanium. Chapter 2 is a s- mary of the Fundamental Aspects of Titanium, Chapter 3 is a summary of the Technological Aspects of Titanium and Chapters 4 through 9 address the specifics of the various classes of titanium ranging from CP Titanium to Titanium Matrix Composites. Finally, Chapter 10 covers “special” properties and applications of titanium. Our intent has been to address the subject conceptually rather than provide quantities of data of the sort that would be found in a Handbook. It is our intent that this book is useful for materials scientists and engineers interested in using titanium and for students either as a sourcebook or as a textbook. We have - tempted to include a representative set of references which provide additional detail for readers interested in specific aspects of titanium. Because of the re- tively recent growth of the technological importance of titanium, there is a vo- minous literature on titanium. While our references span this literature it has proven impossible to mention every contribution.

Battelle Technical Review

Author : Battelle Memorial Institute
Publisher :
ISBN 13 :
Total Pages : 1220 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Battelle Technical Review by : Battelle Memorial Institute

Download or read book Battelle Technical Review written by Battelle Memorial Institute and published by . This book was released on 1957 with total page 1220 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metals Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Metals Abstracts by :

Download or read book Metals Abstracts written by and published by . This book was released on 1995 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ultra-High Temperature Materials II

Author : Igor L. Shabalin
Publisher : Springer
ISBN 13 : 9402413022
Total Pages : 755 pages
Book Rating : 4.4/5 (24 download)

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Book Synopsis Ultra-High Temperature Materials II by : Igor L. Shabalin

Download or read book Ultra-High Temperature Materials II written by Igor L. Shabalin and published by Springer. This book was released on 2019-04-24 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt: This exhaustive work in three volumes and over 1300 pages provides a thorough treatment of ultra-high temperature materials with melting points over 2500 °C. The first volume focuses on Carbon and Refractory Metals, whilst the second and third are dedicated solely to Refractory compounds and the third to Refractory Alloys and Composites respectively. Topics included are physical (crystallographic, thermodynamic, thermo physical, electrical, optical, physico-mechanical, nuclear) and chemical (solid-state diffusion, interaction with chemical elements and compounds, interaction with gases, vapours and aqueous solutions) properties of the individual physico-chemical phases of carbon (graphite/graphene), refractory metals (W, Re, Os, Ta, Mo, Nb, Ir) and compounds (oxides, nitrides, carbides, borides, silicides) with melting points in this range. It will be of interest to researchers, engineers, postgraduate, graduate and undergraduate students alike. The reader is provided with the full qualitative and quantitative assessment for the materials, which could be applied in various engineering devices and environmental conditions at ultra-high temperatures, on the basis of the latest updates in the field of physics, chemistry, materials science and engineering.

Strengthening Mechanisms in Crystal Plasticity

Author : Ali Argon
Publisher : Oxford University Press on Demand
ISBN 13 : 0198516002
Total Pages : 425 pages
Book Rating : 4.1/5 (985 download)

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Book Synopsis Strengthening Mechanisms in Crystal Plasticity by : Ali Argon

Download or read book Strengthening Mechanisms in Crystal Plasticity written by Ali Argon and published by Oxford University Press on Demand. This book was released on 2008 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technologically important metals and alloys have been strengthened throughout history by empirical means. The scientific bases of the central mechanisms of such forms of strengthening, developed over the past several decades are presented here through mechanistic models and associated experimental results.