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Frottement Et Adherence
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Book Synopsis Frottement et adhérence by : Laurent Cangemi
Download or read book Frottement et adhérence written by Laurent Cangemi and published by . This book was released on 1997 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: CE TRAVAIL EST UNE CONTRIBUTION A L'ETUDE DU CONTACT UNILATERAL AVEC FROTTEMENT ET ADHERENCE ENTRE DEUX SOLIDES DEFORMABLES. UN DEVELOPPEMENT PARTICULIER DE LA THERMODYNAMIQUE DES MILIEUX CONTINUS, BASE SUR LA NOTION DE SURFACE MATERIELLE PERMET DE FORMULER UNE LOI DE FROTTEMENT AVEC ADHERENCE INITIALE, A PARTIR D'UN CHOIX SPECIFIQUE DES POTENTIELS THERMODYNAMIQUES. LA PARTIE ADHESIVE DU COMPORTEMENT EST DECRITE A L'AIDE D'UNE VARIABLE INTERNE INTRODUITE PAR FREMOND. LE MODELE OBTENU DECRIT UNE PERTE D'ADHESION PROGRESSIVE, INITIALEMENT COUPLEE A UN MECANISME DE FROTTEMENT DE TYPE COULOMB. LA CONSISTANCE DU MODELE EST DEMONTREE A TRAVERS UNE ETUDE MATHEMATIQUE CONDUISANT A UNE FORMULATION VARIATIONNELLE DU PROBLEME. UN ALGORITHME NUMERIQUE EST DEDUIT D'UNE FORMULATION TEMPORELLE INCREMENTALE, ASSOCIEE A UNE DISCRETISATION SPATIALE PAR ELEMENTS FINIS. LE MODELE EST ENSUITE UTILISE POUR DECRIRE LE COMPORTEMENT DES INTERFACES FIBRE/MATRICE DANS LES MATERIAUX COMPOSITES. LES RESULTATS EXPERIMENTAUX PROVENANT D'ESSAIS DE MICROINDENTATION MENES A L'ONERA SONT COMPARES A UNE SIMULATION NUMERIQUE DE L'EXPERIENCE. CETTE CONFRONTATION FOURNIT PLUSIEURS CRITERES DE VALIDATION DU MODELE LORSQUE L'INTERFACE EST SOUMISE A DIFFERENTS TRAJETS DE CHARGEMENT.
Book Synopsis Nouvelles expériences sur l'adhérence des pierres et des briques ..., le frottement des axes de rotation, la variation de tension des courroies ou cordes sans fin ... by : Arthur J. Morin
Download or read book Nouvelles expériences sur l'adhérence des pierres et des briques ..., le frottement des axes de rotation, la variation de tension des courroies ou cordes sans fin ... written by Arthur J. Morin and published by . This book was released on 1838 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Friction by : I.L. Singer
Download or read book Fundamentals of Friction written by I.L. Singer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Friction, unlike many books on tribology, is devoted to one specific topic: friction. After introductory chapters on scientific and engineering perspectives, the next section contains the necessary background within the areas of contact mechanics, surfaces and adhesion. Then on to fracture, deformation and interface shear, from the macroscopic behavior of materials in frictional contact to microscopic models of uniform and granular interfaces. Lubrication by solids, liquids and gases is presented next, from classical flow properties to the reorganization of monolayers of molecules under normal and shear stresses. A section on new approaches at the nano- and atomic scales covers the physics and chemistry of interfaces, an array of visually exciting simulations, using molecular dynamics, of solids and liquids in sliding contact, and related AFM/STM studies. Following a section on machines and measurements, the final chapter discusses future issues in friction.
Book Synopsis Surface effects in adhesion, friction, wear, and lubrication by : Donald H. Buckley
Download or read book Surface effects in adhesion, friction, wear, and lubrication written by Donald H. Buckley and published by Elsevier. This book was released on 1981-01-01 with total page 643 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface effects in adhesion, friction, wear, and lubrication
Book Synopsis Surface Characteristics of Roadways by : W. E. Meyer
Download or read book Surface Characteristics of Roadways written by W. E. Meyer and published by ASTM International. This book was released on 1990 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Frottement, usure et lubrification by : Jean-Marie Georges
Download or read book Frottement, usure et lubrification written by Jean-Marie Georges and published by . This book was released on 2000 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les phénomènes de frottement, d'usure et de lubrification, de même que les propriétés d'adhérence des matériaux entrent en jeu dans de nombreux domaines industriels, en particulier dans les secteurs où les enjeux de conservation d'énergie ou de fiabilité des systèmes et des équipements interviennent de façon cruciale. La tribologie, discipline qui traite de ces phénomènes, est une science pluridisciplinaire s'appuyant à la fois sur les bases fondamentales de la mécanique et sur les acquis récents de la science des matériaux. Elle s'intéresse à des phénomènes dont l'échelle varie de la dimension d'une machine à celle des liaisons atomiques et qui relèvent tant de la physique des solides que de la physico-chimie des surfaces. Destiné aux étudiants de deuxième et troisième cycles universitaires, aux élèves des écoles d'ingénieurs, à la formation par la recherche ainsi qu'aux praticiens chargés de la fabrication et de la maintenance des équipements, l'ouvrage de Jean-Marie Georges propose une méthode globale d'étude des problèmes de tribologie. Celle-ci passe par l'analyse mécanique macroscopique des systèmes et l'identification du type de déformation qui affecte les corps en contact. Un important développement est également consacré à l'apport de la physico-chimie des interfaces ainsi qu'aux notions d'énergie de surface, de mouillage et d'adhésion. Finalement, des modèles moléculaires sont présentés, qui rendent compte de l'origine des forces de frottement et de l'usure chimique des matériaux.
Book Synopsis Nouvelles expériences sur l'adhérence des pierres et des briques..., le frottement des axes de rotation... et le frottement des courroies à la surface des tambours, faites à Metz en 1834 by : Arthur Morin
Download or read book Nouvelles expériences sur l'adhérence des pierres et des briques..., le frottement des axes de rotation... et le frottement des courroies à la surface des tambours, faites à Metz en 1834 written by Arthur Morin and published by . This book was released on 1838 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis and Approximation of Contact Problems with Adhesion or Damage by : Mircea Sofonea
Download or read book Analysis and Approximation of Contact Problems with Adhesion or Damage written by Mircea Sofonea and published by CRC Press. This book was released on 2005-09-26 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research into contact problems continues to produce a rapidly growing body of knowledge. Recognizing the need for a single, concise source of information on models and analysis of contact problems, accomplished experts Sofonea, Han, and Shillor carefully selected several models and thoroughly study them in Analysis and Approximation of Contact P
Book Synopsis Contact Mechanics and Friction by : Valentin L. Popov
Download or read book Contact Mechanics and Friction written by Valentin L. Popov and published by Springer Science & Business Media. This book was released on 2010-03-10 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: The English edition of “Contact Mechanics and Friction” lying before you is, for st the most part, the text of the 1 German edition (Springer Publishing, 2009). The book was expanded by the addition of a chapter on frictional problems in ear- quake research. Additionally, Chapter 15 was supplemented by a section on elasto-hydrodynamics. The problem sections of several chapters were enriched by the addition of new examples. This book would not have been possible without the active support of J. Gray, who translated it from the German edition. I would like to thank Prof. G. G. - charyan and Prof. S. Sobolev for discussions and critical comments on the chapter over earthquake dynamics. Dr. R. Heise made significant contributions to the - velopment and correction of new problems. I would like to convey my affecti- ate thanks to Dr. J. Starcevic for her complete support during the composition of this book. I want to thank Ms. Ch. Koll for her patience in creating figures and Dr. R. Heise, M. Popov, M. Heß, S. Kürscher, and B. Grzemba for their help in pro- reading. Berlin, November 2009 V.L. Popov Preface to the German Edition
Book Synopsis From Convexity to Nonconvexity by : R.P. Gilbert
Download or read book From Convexity to Nonconvexity written by R.P. Gilbert and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of papers is dedicated to the memory of Gaetano Fichera, a great mathematician and also a good friend to the editors. Regrettably it took an unusual amount of time to bring this collection out. This was primarily due to the fact that the main editor who had collected all of the materials, for this volume, P. D. Panagiotopoulos, died unexpectedly during the period when we were editing the manuscript. The other two editors in appreciation of Panagiotopoulos' contribution to this field, believe it is therefore fitting that this collection be dedicated to his memory also. The theme of the collection is centered around the seminal research of G. Fichera on the Signorini problem. Variants on this idea enter in different ways. For example, by bringing in friction the problem is no longer self-adjoint and the minimization formulation is not valid. A large portion of this collection is devoted to survey papers concerning hemivariational methods, with a main point of its application to nonsmooth mechanics. Hemivariational inequali ties, which are a generalization of variational inequalities, were pioneered by Panagiotopoulos. There are many applications of this theory to the study of non convex energy functionals occurring in many branches of mechanics. An area of concentration concerns contact problems, in particular, quasistatic and dynamic contact problems with friction and damage. Nonsmooth optimization methods which may be divided into the main groups of subgradient methods and bundle methods are also discussed in this collection.
Book Synopsis Formulation et résolution des problèmes de contact avec frottement et adhérence en grandes déformations by : Anne-Sophie Caro
Download or read book Formulation et résolution des problèmes de contact avec frottement et adhérence en grandes déformations written by Anne-Sophie Caro and published by . This book was released on 1999 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microscopic Aspects of Adhesion and Lubrication by : J.M. Georges
Download or read book Microscopic Aspects of Adhesion and Lubrication written by J.M. Georges and published by Elsevier. This book was released on 1982-04-01 with total page 833 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microscopic Aspects of Adhesion and Lubrication
Book Synopsis Analyzing Friction in the Design of Rubber Products and Their Paired Surfaces by : Robert Horigan Smith
Download or read book Analyzing Friction in the Design of Rubber Products and Their Paired Surfaces written by Robert Horigan Smith and published by CRC Press. This book was released on 2008-03-24 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Taking a mechanistic approach that emphasizes the physical behavior of rubber as it slides, Analyzing Friction in the Design of Rubber Products and Their Paired Surfaces integrates the engineering and scientific evidence demonstrating that the laws of metallic friction do not apply to rubber. The book also presents a newly developed, scienti
Book Synopsis Adherence, Friction and Wear of Rubber-Like Materials by : M. Barquins
Download or read book Adherence, Friction and Wear of Rubber-Like Materials written by M. Barquins and published by . This book was released on 1992 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The underlying mechanisms of the adherence and of the sliding and rolling friction of rubber-like materials are studied at a microscale level, by scrutinizing phenomena occuring inside both static and rolling or sliding contact areas between a single hard transparent spherical or cylindrical asperity and the smooth and flat surface of a soft elastomer sample. Various mechanisms have been studied such as equilibrium conditions and kinetics of adherence of different rigid punches, contact geometry and rolling friction force of a rigid cylinder, static friction, deformation and interfacial phenomena in sliding friction of a spherical asperity, influence of the radius of curvature of a blunt rigid asperity in sliding contact, stages of formation of re-attachment folds, conditions for the appearance of detachment waves, friction of silica filled compounds and the onset of wear.
Book Synopsis Adhesion and Friction by : Michael Grunze
Download or read book Adhesion and Friction written by Michael Grunze and published by Springer. This book was released on 1989 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Adhesion and Friction: Microscopic Concepts" was the theme of the third workshop on interface phenomena organized jointly by the surface science groups at Dalhousie University and the University of Maine. The first two workshops were dedicated to the discussion of elementary processes governing the reaction rates at surfaces and in bulk materials, i. e. adsorption, desorption and diffusion. In this third year a step towards the understanding of complicated (but practical) issues such as adhesion and friction between different materials was undertaken. The presentations and discussions focused on elementary chemical and physical processes at surfaces and interfaces relevant to adhesion, lubrication and friction and gave an account of the application of surface science methods and techniques to relevant model systems. Clearly, at the time of the conference and the publication of the proceedings the understanding of the chemical and physical mechanisms determining the interaction between two solids is still rudimentary, but the issues involved are attracting the attention of more and more scientists and are now regularly represented at scientific meetings. The conference was held at Dalhousie University in Halifax, Nova Scotia, Canada. The facilities provided an ideal setting for the meeting and lively discussions. On behalf of the participants, we would like to express our grat itude to the staff at Dalhousie University for making our stay so pleasant and memorable.
Book Synopsis Advances in Polymer Friction and Wear by : Lieng-Huang Lee
Download or read book Advances in Polymer Friction and Wear written by Lieng-Huang Lee and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers and polymer composites have been increasinqly used in place of metals for various industries; namely, aerospace, automotive, bio-medical, computer, electrophotography, fiber, and rubber tire. Thus, an understanding of the interactions between polymers and between a polymer and a rigid counterface can enhance the applications of polymers under various environments. In meet ing this need, polymer tribology has evolved to deal with friction, lubrication and wear of polymeric materials and to answer some of the problems related to polymer-polymer interactions or oolymer rigid body interactions. The purpose of this first International Symposium was to introduce advances in studies of polymer friction and wear, especially in Britain and the U.S.S.R. Most earlier studies of the Fifties were stimulated by the growth of rubber tire industries. Continuous research through the Sixties has broadened the base to include other polymers such as nylon, polyolefins, and poly tetra fluoroethylene, or PTFE. However, much of this work was published in engineering or physics journals and rarely in chemistry journals; presumably, the latter have always considered the work to be too applied or too irrelevant. Not until recent years have chemists started to discover words such as tribo-chemistry or mechano chemistry and gradually become aware of an indispensable role in this field of polymer tribology. Thus, we were hoping to bring the technology up to date during this SympOSium, especially to the majority of participants, polymer chemists by training.
Book Synopsis Systèmes dynamiques discrets non réguliers déterministes ou stochastiques : applications aux modèles avec frottement ou impact by : BASTIEN Jérôme
Download or read book Systèmes dynamiques discrets non réguliers déterministes ou stochastiques : applications aux modèles avec frottement ou impact written by BASTIEN Jérôme and published by Lavoisier. This book was released on 2012-11-21 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage présente différents modèles discrets en dynamique pour la modélisation de phénomènes mécaniques non linéaires liés au frottement ou à l’impact. Les sollicitations sont exposées dans un cadre déterministe et stochastique. Pour ce dernier, le cas de variétés de configuration euclidienne ou riemannienne est abordé. La difficulté réside dans le type d’équations différentielles non linéaires particulières utilisées. Le cadre théorique ainsi que des schémas numériques sont détaillés pour chaque équation. Trois types de problèmes sont d’abord étudiés dans le cas particulier d’un solide à un degré de liberté : la force de frottement, la loi d’impact en déterministe et le frottement dans un cadre stochastique. Ensuite, de nombreux exemples sont commentés et fournissent, dans un cadre théorique ou applicatif, de nombreux modèles accompagnés de leurs schémas numériques. Des rappels théoriques fondamentaux sont proposés ainsi que deux preuves complètes de convergence de schémas numériques dans le cas du frottement déterministe ou stochastique.
