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Etude Des Lois De Comportement Plastique Des Metaux Sous Sollicitation Uniaxiale Ou Biaxiale
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Book Synopsis Etude des lois de comportement plastique des métaux sous sollicitation uniaxiale ou biaxiale by : MOHAMED.. MLIHA TOUATI
Download or read book Etude des lois de comportement plastique des métaux sous sollicitation uniaxiale ou biaxiale written by MOHAMED.. MLIHA TOUATI and published by . This book was released on 1985 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: INFLUENCE DES LOIS DE COMPORTEMENT PLASTIQUE SUR LE COMPORTEMENT OBSERVE EN TRACTION UNIAXIALE OU BIAXIALE. DANS CE CAS APPARAIT LE PHENOMENE DE STRICTION QUI CONSISTE EN UNE LOCALISATION DE LA DEFORMATION DANS CERTAINES ZONES DE LA PIECE, CONDUISANT A LA RUPTURE. MODELISATION A PARTIR D'EXPERIENCES DU PHENOMENE DE STRICTION. ETUDE EXPERIMENTALE SOUS SOLLICITATION UNIAXIALE EFFECTUEE SUR AL, SUR L'ACIER AISI 304. PREVISION DES COURBES LIMITES DE FORMAGE DE L'ALUMINIUM ET DU LAITON. LES DIFFERENTS FACTEURS INTRODUITS DANS LA DESCRIPTION DU COMPORTEMENT PLASTIQUE PERMETTENT D'AMELIORER LA PREVISION DE CES COURBES. COMPARAISON ENTRE LES PREVISIONS ET LES RESULTATS EXPERIMENTAUX
Book Synopsis Forming Limit Diagrams by : Robert H. Wagoner
Download or read book Forming Limit Diagrams written by Robert H. Wagoner and published by . This book was released on 1989 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Étude expérimentale et modélisation du comportement plastique du tantale by : François Buy
Download or read book Étude expérimentale et modélisation du comportement plastique du tantale written by François Buy and published by . This book was released on 1996 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA DEMANDE DE PLUS EN PLUS IMPORTANTE DE CALCULS RESTITUANT LA REPONSE DE STRUCTURES A DES SOLLICITATIONS DYNAMIQUES NECESSITE LE DEVELOPPEMENT DE MODELES DE COMPORTEMENT TRES ELABORES. EN EFFET, LA RESOLUTION DE CE TYPE DE PROBLEMES FAIT APPEL AUX EQUATIONS D'ETAT D'UNE PART, ET, D'AUTRE PART, AUX LOIS DE COMPORTEMENT MECANIQUE DES MATERIAUX EN CAUSE. LA FORMULATION DE CES DERNIERES DOIT REPONDRE A DEUX IMPERATIFS: ? RETRANSCRIRE UN ENSEMBLE DE FAITS EXPERIMENTAUX ET ? PREDIRE LE COMPORTEMENT DU MATERIAU SOUS CERTAINES CONDITIONS DE CHARGEMENT. A PARTIR DU COMPORTEMENT MECANIQUE DU TANTALE, NOUS AVONS TENTE DE COMPRENDRE ET DE RETRANSCRIRE LES PHENOMENES REGISSANT LE COMPORTEMENT DES MATERIAUX A STRUCTURE C.C.. IL A ETE MIS EN EVIDENCE QUE LA DEFORMATION PLASTIQUE NE PEUT PAS RENDRE COMPTE DE L'ETAT PHYSIQUE DU MATERIAU CAR LA CONTRAINTE D'ECOULEMENT DEPEND DU TRAJET DE CHARGEMENT. LE MODELE FORMULE PAR J.R. KLEPACZKO QUI SE BASE SUR L'EVOLUTION D'UN UNIQUE PARAMETRE D'ETAT (LA DENSITE TOTALE DE DISLOCATIONS) A DEJA MONTRE UN TRES BON ACCORD AVEC LES RESULTATS EXPERIMENTAUX POUR LES METAUX A STRUCTURE C.F.C.. NOUS AVONS EFFECTUE SUR UN TANTALE POLYCRISTALLIN DE HAUTE PURETE ET A TEMPERATURE AMBIANTE DES TORSIONS QUASI STATIQUES, DYNAMIQUES AINSI QUE DES ESSAIS DE SAUT DE VITESSES EN UTILISANT UN DISPOSITIF DE BARRES DE HOPKINSON DE TORSION. BIEN QU'IL SOIT POSSIBLE D'ADAPTER CE MODELE A UN PARAMETRE AUX DONNEES EXPERIMENTALES AVEC UNE BONNE ADEQUATION, L'INTRODUCTION D'UN SECOND PARAMETRE D'ETAT (LA DENSITE DE DISLOCATIONS MOBILES) EST APPARUE NECESSAIRE POUR UNE MEILLEURE COMPREHENSION ET RESTITUTION DES PHENOMENES QUI SURVIENNENT AU COURS DE L'ECOULEMENT PLASTIQUE. NOUS PRESENTONS UNE PROCEDURE PERMETTANT DE DETERMINER ANALYTIQUEMENT LES CONTRIBUTIONS DE LA MICROSTRUCTURE ET DES CONDITIONS DE CHARGEMENT SUR LA CONTRAINTE D'ECOULEMENT. NOUS COMPARONS ENFIN LES RESULTATS EN COMPRESSION ET EN TORSION. LE COMPORTEMENT DU TANTALE SE REVELE TRES SENSIBLE AU TYPE DE SOLLICITATION CE QUI LIMITE AUJOURD'HUI LE MODELE PROPOSE.
Book Synopsis Étude de la plasticité et application aux métaux by : Bernard Jaoul
Download or read book Étude de la plasticité et application aux métaux written by Bernard Jaoul and published by . This book was released on 1965 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Instabilité Plastique, Surface de Plasticité Et Endommagement Au Cours de Déformations Plastique Et Superplastique by : Jianshe Lian
Download or read book Instabilité Plastique, Surface de Plasticité Et Endommagement Au Cours de Déformations Plastique Et Superplastique written by Jianshe Lian and published by . This book was released on 1987 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: ETUDE THEORIQUE DE L'INSTABILITE PLASTIQUE DES MATERIAUX METALLIQUES DUCTILES SOUMIS A DES CHARGES UNIAXIALES OU BIAXIALES. ANALYSE SOUS SOLLICITATION UNIAXIALE, DU DEVELOPPEMENT DE LA STRICTION ET DE LA DEFORMATION A LA RUPTURE DES MATERIAUX SUPERPLASTIQUES. DESCRIPTION, PAR PLUSIEURS CRITERES NOTAMMENT LE CRITERE DE HILL, DU COMPORTEMENT ANISOTROPE. INFLUENCE DE LA SURFACE DE PLASTICITE SUR LA COURBE LIMITE DE FORMAGE
Book Synopsis PREVISION DU COMPORTEMENT PLASTIQUE ET DES TEXTURES DE DEFORMATION SOUS CHARGEMENT UNIAXIAL DE METAUX DE STRUCTURE CUBIQUE A FACES CENTREES A L'AIDE D'UN MODELE AUTOEQUILIBRE by : PATRICK.. MACHETO
Download or read book PREVISION DU COMPORTEMENT PLASTIQUE ET DES TEXTURES DE DEFORMATION SOUS CHARGEMENT UNIAXIAL DE METAUX DE STRUCTURE CUBIQUE A FACES CENTREES A L'AIDE D'UN MODELE AUTOEQUILIBRE written by PATRICK.. MACHETO and published by . This book was released on 1982 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: APPLICATION DU MODELE DE ZORKA A DES MONOCRISTAUX D'ALUMINIUM D'ORIENTATIONS DIFFERENTES, DEFORMES EN TRACTION SIMPLE. CALCUL DU COEFFICIENT D'ANISOTROPIE PLASTIQUE, TARIFICATION EXPERIMENTALE. ETUDE DES TEXTURES DE TOLES MINCES POLYCRISTALLINES DE CUIVRE, DE LAITON CU-ZN 30 ET D'ACIER INOXYDABLE AUSTENITIQUE 316L. CALCUL DES COURBES D'ECROUISSAGE. INFLUENCE DE LA GROSSEUR DU GRAIN. EXTENSION DU MODELE A UN CHARGEMENT CYCLIQUE ET A D'AUTRES MODES DE DEFORMATION
Book Synopsis Mechanical Identification of Composites by : A. Vautrin
Download or read book Mechanical Identification of Composites written by A. Vautrin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Download or read book Terra 2008 written by Leslie Rainer and published by Getty Publications. This book was released on 2011-06-14 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.
Book Synopsis High Performance Concrete by : Y. Malier
Download or read book High Performance Concrete written by Y. Malier and published by CRC Press. This book was released on 2018-05-08 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a thorough review of properties, durability and use of high performance concrete, derived from recent research and experience. This book contains contributions from the leading French, Canadian and Swiss researchers, designers and material specialists, translated into English for the first time.
Book Synopsis Structural Conservation of Stone Masonry by :
Download or read book Structural Conservation of Stone Masonry written by and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toughness of ferritic stainless steels by :
Download or read book Toughness of ferritic stainless steels written by and published by ASTM International. This book was released on 1980 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flexoelectricity in Liquid Crystals by : Agnes Buka
Download or read book Flexoelectricity in Liquid Crystals written by Agnes Buka and published by World Scientific. This book was released on 2013 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.
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 Nanoporous Materials by : Samuel B. Jenkins
Download or read book Nanoporous Materials written by Samuel B. Jenkins and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoporous materials consist of a regular organic or inorganic framework supporting a porous structure. Nanoporous materials are separated into three subtypes: microporous materials, mesoporous materials and macroporous materials. In recent years, nanoporous materials have been recognized as promising candidates for the multifunctional applications such as catalysis, ion-exchange, gas storage low density magnetic storage, etc. In addition, nanoporous materials are also of scientific and technological importance because of their ability to absorb and co-operate with atoms, ions and molecules on their sizeable interior surfaces and pore space. This book proposes and reviews advances being made in the field of nanoporous materials.
Book Synopsis Nonlinear Optical Materials by : Jerome V. Moloney
Download or read book Nonlinear Optical Materials written by Jerome V. Moloney and published by Springer Science & Business Media. This book was released on 1998-08-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical methods play a significant role in the rapidly growing field of nonlinear optical materials. This volume discusses a number of successful or promising contributions. The overall theme of this volume is twofold: (1) the challenges faced in computing and optimizing nonlinear optical material properties; and (2) the exploitation of these properties in important areas of application. These include the design of optical amplifiers and lasers, as well as novel optical switches. Research topics in this volume include how to exploit the magnetooptic effect, how to work with the nonlinear optical response of materials, how to predict laser-induced breakdown in efficient optical devices, and how to handle electron cloud distortion in femtosecond processes.
Book Synopsis Continuum Damage Mechanics by : Sumio Murakami
Download or read book Continuum Damage Mechanics written by Sumio Murakami and published by Springer Science & Business Media. This book was released on 2012-02-24 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent developments in engineering and technology have brought about serious and enlarged demands for reliability, safety and economy in wide range of fields such as aeronautics, nuclear engineering, civil and structural engineering, automotive and production industry. This, in turn, has caused more interest in continuum damage mechanics and its engineering applications. This book aims to give a concise overview of the current state of damage mechanics, and then to show the fascinating possibility of this promising branch of mechanics, and to provide researchers, engineers and graduate students with an intelligible and self-contained textbook. The book consists of two parts and an appendix. Part I is concerned with the foundation of continuum damage mechanics. Basic concepts of material damage and the mechanical representation of damage state of various kinds are described in Chapters 1 and 2. In Chapters 3-5, irreversible thermodynamics, thermodynamic constitutive theory and its application to the modeling of the constitutive and the evolution equations of damaged materials are descried as a systematic basis for the subsequent development throughout the book. Part II describes the application of the fundamental theories developed in Part I to typical damage and fracture problems encountered in various fields of the current engineering. Important engineering aspects of elastic-plastic or ductile damage, their damage mechanics modeling and their further refinement are first discussed in Chapter 6. Chapters 7 and 8 are concerned with the modeling of fatigue, creep, creep-fatigue and their engineering application. Damage mechanics modeling of complicated crack closure behavior in elastic-brittle and composite materials are discussed in Chapters 9 and 10. In Chapter 11, applicability of the local approach to fracture by means of damage mechanics and finite element method, and the ensuing mathematical and numerical problems are briefly discussed. A proper understanding of the subject matter requires knowledge of tensor algebra and tensor calculus. At the end of this book, therefore, the foundations of tensor analysis are presented in the Appendix, especially for readers with insufficient mathematical background, but with keen interest in this exciting field of mechanics.
