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Comportement Mecanique Des Polycristaux Sous Sollicitations Complexes
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Book Synopsis COMPORTEMENT MECANIQUE DES POLYCRISTAUX SOUS SOLLICITATIONS COMPLEXES by : NOUREDDINE.. ZOUHAL
Download or read book COMPORTEMENT MECANIQUE DES POLYCRISTAUX SOUS SOLLICITATIONS COMPLEXES written by NOUREDDINE.. ZOUHAL and published by . This book was released on 1996 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: PLUSIEURS MATERIAUX UTILISES DANS DES SECTEURS DE POINTE SE TROUVENT AU COURS DE LEUR FONCTIONNEMENT SOLLICITES PAR DES CHARGEMENTS CYCLIQUES. LA PRESENCE D'EFFORTS VARIABLES ET REPETES DANS LE TEMPS MENENT GENERALEMENT A LA FATIGUE DES STRUCTURES. IL DEVIENT ALORS NECESSAIRE DE COMPRENDRE LE COMPORTEMENT DES MATERIAUX AINSI QUE LEUR DEGRADATION AU COURS DU TEMPS SOUS DE TELLES SOLLICITATIONS. PAR AILLEURS, LE COMPORTEMENT MECANIQUE DES POLYCRISTAUX EN PLASTICITE CYCLIQUE EST SOUVENT DECRIT PAR DES APPROCHES PHENOMENOLOGIQUES. CE TYPE DE MODELES EST INCAPABLE DE RENDRE COMPTE DES MECANISMES PHYSIQUES DE LA DEFORMATION A L'ECHELLE MICROSTRUCTURALE. AFIN D'ACCEDER A DES INFORMATIONS CONCERNANT L'EVOLUTION DE LA MICROSTRUCTURE EN PLASTICITE CYCLIQUE, ON PROPOSE UNE DESCRIPTION DE CE TYPE DE COMPORTEMENT DANS LE CADRE D'UNE APPROCHE MICRO-MACRO (MODELE DE TAYLOR-LIN). DANS LE CADRE DU MODELE DE TAYLOR-LIN, ON MONTRE QUE LES TENDANCES EXPERIMENTALES EN PLASTICITE CYCLIQUE ONT ETE BIEN REPRODUITES. AINSI, DANS LE CAS DE TRAJETS DE CHARGEMENT CYCLIQUES PROPORTIONNELS, LE MODELE DE TAYLOR-LIN PERMET DE RENDRE COMPTE DES PHENOMENES SUIVANTS: L'EFFET BAUSCHINGUER ; LE DURCISSEMENT CYCLIQUE ; L'ADOUCISSEMENT CYCLIQUE, L'INDEPENDANCE DE L'AMPLITUDE DE LA CONTRAINTE PAR RAPPORT A LA DEFORMATION MOYENNE ; L'ACCROCHAGE DU PETIT CYCLE DANS UN GRAND CYCLE STABILISE. DE PLUS, DANS LE CAS DE TRAJETS DE CHARGEMENT CYCLIQUES NON PROPORTIONNELS, LE MODELE PREVOIT UN MAXIMUM DE DURCISSEMENT CYCLIQUE LORS D'UN ESSAI DE TRACTION-TORSION EN QUADRATURE DE PHASE. PAR AILLEURS, L'ANALYSE DU COMPORTEMENT DU MONOCRISTAL NOYE DANS LE POLYCRISTAL PERMET DE COMPRENDRE LA REPONSE MACROSCOPIQUE EN FONCTION DE L'EVOLUTION DES PARAMETRES MICROSCOPIQUES
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:
Book Synopsis Analysis Methods for Non Linear Behavior of Solids by :
Download or read book Analysis Methods for Non Linear Behavior of Solids written by and published by . This book was released on 1982 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis X-Ray and Neutron Reflectivity: Principles and Applications by : Jean Daillant
Download or read book X-Ray and Neutron Reflectivity: Principles and Applications written by Jean Daillant and published by Springer Science & Business Media. This book was released on 2003-07-01 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reflection of and neutrons from surfaces has existed as an x-rays exp- imental for almost it is in the last technique fifty Nevertheless, only years. decade that these methods have become as of enormously popular probes This the surfaces and interfaces. to be due to of several appears convergence of intense different circumstances. These include the more n- availability be measured orders tron and sources that can over (so reflectivity x-ray many of and the much weaker surface diffuse can now also be magnitude scattering of thin films and studied in some the detail); growing importance multil- basic the realization of the ers in both and technology research; important which in the of surfaces and and role roughness plays properties interfaces; the of statistical models to characterize the of finally development topology its and its characterization from on roughness, dependence growth processes The of and to surface scattering experiments. ability x-rays neutro4s study four five orders of in scale of surfaces over to magnitude length regardless their and also their to ability probe environment, temperature, pressure, etc. , makes these the choice for buried interfaces often probes preferred obtaining information about the microstructure of often in statistical a global surfaces, the local This is manner to complementary imaging microscopy techniques, of such studies in the literature witnessed the veritable by explosion published the last few Thus these lectures will useful for over a resource years.
Book Synopsis Fatigue of Materials and Structures by : Claude Bathias
Download or read book Fatigue of Materials and Structures written by Claude Bathias and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of mechanical structures with improved and predictable durability cannot be achieved without a thorough understanding of the mechanisms of fatigue damage and more specifically the relationships between the microstructure of materials and their fatigue properties. Written by leading experts in the field, this book (which is complementary to Fatigue of Materials and Structures: Application to Damage and Design, also edited by Claude Bathias and André Pineau), provides an authoritative, comprehensive and unified treatment of the mechanics and micromechanisms of fatigue in metals, polymers and composites. Each chapter is devoted to one of the major classes of materials or to different types of fatigue damage, thereby providing overall coverage of the field. The book deals with crack initiation, crack growth, low-cycle fatigue, gigacycle fatigue, shorts cracks, fatigue micromechanisms and the local approach to fatigue damage, corrosion fatigue, environmental effects and variable amplitude loadings, and will be an important and much used reference for students, practicing engineers and researchers studying fracture and fatigue in numerous areas of mechanical, structural, civil, design, nuclear, and aerospace engineering as well as materials science.
Book Synopsis Multi-mechanism Modeling of Inelastic Material Behavior by : Georges Cailletaud
Download or read book Multi-mechanism Modeling of Inelastic Material Behavior written by Georges Cailletaud and published by John Wiley & Sons. This book was released on 2018-03-13 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on a particular class of models (namely Multi-Mechanism models) and their applications to extensive experimental data base related to different kind of materials. These models (i) are able to describe the main mechanical effects in plasticity, creep, creep/plasticity interaction, ratcheting extra-hardening under non-proportional loading (ii) provide local information (such us local stress/strain fields, damage, ….). A particular attention is paid to the identification process of material parameters. Moreover, finite element implementation of the Multi-Mechanism models is detailed.
Book Synopsis Non-Linear Mechanics of Materials by : Jacques Besson
Download or read book Non-Linear Mechanics of Materials written by Jacques Besson and published by Springer Science & Business Media. This book was released on 2009-11-25 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: In mechanical engineering and structural analysis there is a significant gap between the material models currently used by engineers for industry applications and those already available in research laboratories. This is especially apparent with the huge progress of computational possibilities and the corresponding dissemination of numerical tools in engineering practice, which essentially deliver linear solutions. Future improvements of design and life assessment methods necessarily involve non-linear solutions for inelastic responses, in plasticity or viscoplasticity, as well as damage and fracture analyses. The dissemination of knowledge can be improved by software developments, data base completion and generalization, but also by information and training. With such a perspective Non-Linear Mechanics of Materials proposes a knowledge actualization, in order to better understand and use recent material constitutive and damage modeling methods in the context of structural analysis or multiscale material microstructure computations.
Book Synopsis Temperature-Fatigue Interaction by : L. Remy
Download or read book Temperature-Fatigue Interaction written by L. Remy and published by Elsevier. This book was released on 2002-03-11 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a selection of peer-reviewed papers presented at the International Conference on Temperature-Fatigue Interaction, held in Paris, May 29-31, 2001, organised by the Fatigue Committee of the Societé Française de Métallurgie et de Matériaux (SF2M), under the auspices of the European Structural Integrity Society. The conference disseminated recent research results and promoting the interaction and collaboration amongst materials scientists, mechanical engineers and design engineers. Many engineering components and structures used in the automotive, aerospace, power generation and many other industries experience cyclic mechanical loads at high temperature or temperature transients causing thermally induced stresses. The increase of operating temperature and thermal mechanical loading trigger the interaction with time-dependent phenomena such as creep and environmental effects (oxidation, corrosion). A large number of metallic materials were investigated including aluminium alloys for the automotive industry, steels and cast iron for the automotive industry and materials forming, stainless steels for power plants, titanium, composites, intermetallic alloys and nickel base superalloys for aircraft industry, polymers. Important progress was observed in testing practice for high temperature behaviour, including environment and thermo-mechanical loading as well as in observation techniques. A large problem which was emphasized is to know precisely service loading cycles under non-isothermal conditions. This was considered critical for numerous thermal fatigue problems discussed in this conference.
Book Synopsis Advances in Mechanical Behaviour, Plasticity and Damage by : D. Miannay
Download or read book Advances in Mechanical Behaviour, Plasticity and Damage written by D. Miannay and published by Elsevier. This book was released on 2000-11-03 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its inception in 1991, EUROMAT has been held each year on behalf of the Federation of European Materials Societies (FEMS), and alternates between general and topical prospectives. This year's theme, Advances in Mechanical Behaviour, Plasticity and Damage, was proposed by the Societe Francaise de Metallurgie et de Materiaux (SF2M) to FEMS. This publication contains a selection of papers presented at the EUROMAT 2000 Conference, held in Tours, France on 7-9 November 2000. The aim of this Conference was to concentrate mainly on recent advances made in the investigation of the relationship between microstructures of materials and their mechanical behaviour; including, fundamentals, modelling and applications. Encompassed in the Conference's aim is the nurturing of the synergistic effect between the theoretical and applied areas in this field. This was achieved by addressing important basic and practical aspects of the mechanical behaviour and damage of materials whilst also providing significant links between various complementary approaches. All kinds of materials are covered and topics that were covered include the mechanics of solid polymers, microstructurs and micromechanisms, and the collective behavior of defects which looks at the interaction of multiple defects in a system.
Book Synopsis Numerical Methods in Contact Mechanics by : Vladislav A. Yastrebov
Download or read book Numerical Methods in Contact Mechanics written by Vladislav A. Yastrebov and published by John Wiley & Sons. This book was released on 2013-02-13 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational contact mechanics is a broad topic which brings together algorithmic, geometrical, optimization and numerical aspects for a robust, fast and accurate treatment of contact problems. This book covers all the basic ingredients of contact and computational contact mechanics: from efficient contact detection algorithms and classical optimization methods to new developments in contact kinematics and resolution schemes for both sequential and parallel computer architectures. The book is self-contained and intended for people working on the implementation and improvement of contact algorithms in a finite element software. Using a new tensor algebra, the authors introduce some original notions in contact kinematics and extend the classical formulation of contact elements. Some classical and new resolution methods for contact problems and associated ready-to-implement expressions are provided. Contents: 1. Introduction to Computational Contact. 2. Geometry in Contact Mechanics. 3. Contact Detection. 4. Formulation of Contact Problems. 5. Numerical Procedures. 6. Numerical Examples. About the Authors Vladislav A. Yastrebov is a postdoctoral-fellow in Computational Solid Mechanics at MINES ParisTech in France. His work in computational contact mechanics was recognized by the CSMA award and by the Prix Paul Caseau of the French Academy of Technology and Electricité de France.
Book Synopsis Generalized Continua as Models for Classical and Advanced Materials by : Holm Altenbach
Download or read book Generalized Continua as Models for Classical and Advanced Materials written by Holm Altenbach and published by Springer. This book was released on 2016-04-15 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is devoted to an actual topic which is the focus world-wide of various research groups. It contains contributions describing the material behavior on different scales, new existence and uniqueness theorems, the formulation of constitutive equations for advanced materials. The main emphasis of the contributions is directed on the following items - Modelling and simulation of natural and artificial materials with significant microstructure, - Generalized continua as a result of multi-scale models, - Multi-field actions on materials resulting in generalized material models, - Theories including higher gradients, and - Comparison with discrete modelling approaches
Book Synopsis Trends in Computational Contact Mechanics by : Giorgio Zavarise
Download or read book Trends in Computational Contact Mechanics written by Giorgio Zavarise and published by Springer Science & Business Media. This book was released on 2011-06-19 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of Computational Contact Mechanics has many facets. Its main impact lies in the transfer of knowledge form theoretical research to applied sciences, and from there to industry. The application fields are literally countless, ranging from classical engineering to biomechanics and nano-sciences. The remarkable increase of computer power in recent years has been instrumental in enabling the development of simulation-based analysis in current design activity. This still involves tremendous effort in research, which focuses on, for example, multi-field and multi-scale problems, algorithmic robustness, and geometrical accuracy. Moreover, several aspects of Contact Mechanics, Debonding and Fracture Mechanics, have been combined to offer new enhanced possibilities to the computer simulation of complex phenomena. With these contributions of prominent scientists, this book offers a wide overview on the ongoing research at the highest level in the field.
Download or read book Superalloys 2016 written by Mark C. Hardy and published by Wiley-TMS. This book was released on 2016-10-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the Proceedings 13th International Symposium on Superalloys
Book Synopsis Generalized Models and Non-classical Approaches in Complex Materials 1 by : Holm Altenbach
Download or read book Generalized Models and Non-classical Approaches in Complex Materials 1 written by Holm Altenbach and published by Springer. This book was released on 2018-03-24 with total page 799 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the first of 2 special volumes dedicated to the memory of Gérard Maugin. Including 40 papers that reflect his vast field of scientific activity, the contributions discuss non-standard methods (generalized model) to demonstrate the wide range of subjects that were covered by this exceptional scientific leader. The topics range from micromechanical basics to engineering applications, focusing on new models and applications of well-known models to new problems. They include micro–macro aspects, computational endeavors, options for identifying constitutive equations, and old problems with incorrect or non-satisfying solutions based on the classical continua assumptions.
Book Synopsis Generalized Continua - from the Theory to Engineering Applications by : Holm Altenbach
Download or read book Generalized Continua - from the Theory to Engineering Applications written by Holm Altenbach and published by Springer Science & Business Media. This book was released on 2012-10-18 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: On the roots of continuum mechanics in differential geometry -- a review.- Cosserat media.- Cosserat-type shells.- Cosserat-type rods.- Micromorphic media.- Electromagnetism and generalized continua.- Computational methods for generalized continua. The need of generalized continua models is coming from practice. Complex material behavior sometimes cannot be presented by the classical Cauchy continua. At present the attention of the scientists in this field is focused on the most recent research items • new models, • application of well-known models to new problems, • micro-macro aspects, • computational effort, and • possibilities to identify the constitutive equations The new research directions are discussed in this volume - from the point of view of modeling and simulation, identification, and numerical methods.
Book Synopsis Mesoscale Models by : Sinisa Mesarovic
Download or read book Mesoscale Models written by Sinisa Mesarovic and published by Springer. This book was released on 2018-11-19 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book helps to answer the following questions: How far have the understanding and mesoscale modeling advanced in recent decades, what are the key open questions that require further research and what are the mathematical and physical requirements for a mesoscale model intended to provide either insight or a predictive engineering tool? It is addressed to young researchers including doctoral students, postdocs and early career faculty,
Book Synopsis Mechanics of Strain Gradient Materials by : Albrecht Bertram
Download or read book Mechanics of Strain Gradient Materials written by Albrecht Bertram and published by Springer Nature. This book was released on 2020-06-30 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past 50 years, strain gradient material theories have been developed for the continuum modeling of size effects in materials and structures in terms of their elasticity, plasticity and fracturing. This book puts forward a unifying perspective to combine existing theories involving the higher order gradient of the strain tensor, or of plastic strain. It begins by reviewing experimental findings on the existence (or non-existence) of size effects on the mechanics of materials. In turn, the book devises first, second and higher order strain gradient theories from general principles, and presents constitutive frameworks that satisfy thermodynamic requirements. The special case of strain gradient plasticity is then developed and illustrated via computational analyses of size effects on the plasticity of metals at small scales. In closing, the book explains the origin of gradient effects in the case of lattice structures by drawing on homogenization theory.
