Contribution à l'étude de l'influence des interfaces sur la plasticité à froid des métaux purs PDF Download
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Author: Colette Rey-Villain (auteur d'une thèse de sciences.)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 217
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Author: Colette Rey-Villain (auteur d'une thèse de sciences.)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 217
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Book Description
Author: J. Gittus
Publisher: Springer Science & Business Media
ISBN: 9400941811
Category : Technology & Engineering
Languages : en
Pages : 424
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Book Description
The scientific work of Jean Mandel has been exceptionally rich in the area of the mechanics of solids; the subjects which he has treated have been extremely diverse, from the theory of plasticity, buckling, soil mechanics, visco-elasticity, the theory of reduced models, and thermo dynamics, to percolation in porous media. But throughout this com prehensive work Jean Mandel has always maintained his interest in forming connections between the properties of materials (strength, deformability, viscosity) and the properties of their basic constituents. What is sometimes referred to in materials science as the transition from the microscopic to the macroscopic has for him been a very constant direction of research, which he never ceased to encourage in the Laboratoire de Mecanique des Solides of which he was the director. It is known that in the plasticity of metals permanent deformations must be sought in intercrystalline slip and more generally in disloca tions and the various microstructural defects. Before deformation of polycrystals is tackled, it is necessary to understand the mechanisms which take place within the crystal: the different systems of slip which may be activated and also the elementary mechanisms of twinning. Jean Mandel has shown how to make the transition from the behaviour of the single crystal to that of the polycrystal and has given the relation ships between the overall permanent deformation of the polycrystal and the plastic deformation of the single crystal.
Author: M.F. Ashby
Publisher: Elsevier
ISBN: 1483158276
Category : Technology & Engineering
Languages : en
Pages : 598
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Book Description
Dislocation Modelling of Physical Systems contains the Proceedings of the International Conference held at Gainesville, Florida, USA on June 22-27, 1980. The book emphasizes the growing interest in relating dislocation theoretic concepts to engineering problems. Topic areas chosen ranged from the fundamental, such as properties of single dislocations, to the more applied, such as fracture. The papers are grouped specifically based on the main topics they discuss. These topics include fracture; point defects and dislocations; structure dependence of mechanical behavior; properties of single dislocations; plasticity and geometry of deformation; internal friction effects; and boundaries.
Author: Roger Balian
Publisher: North-Holland
ISBN:
Category : Science
Languages : en
Pages : 902
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Author: Jean-Paul Boehler
Publisher:
ISBN:
Category : Anisotropy
Languages : en
Pages : 708
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Author: Abdolhossein Feylessoufi
Publisher:
ISBN:
Category :
Languages : fr
Pages : 258
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Book Description
Etude de l'influence de la géométrie spatiale des phases sur le comportement plastique global d'un matériau fer argent a double phase élabore par métallurgie des poudres et soumis a un essai de traction d'entrée en régime plastique se fait, jusqu'a une certaine concentration d'argent, par propagation des bandes de lueders initiées dans le fer. Etude de la variation d'aspect puis de la disparition des bandes de lueders. Interprétation des phénomènes observes. Les courbes expérimentales sont confrontées aux prévisions des modèles classiques, du comportement effectif. Cela conduit a une nouvelle modélisation du comportement elasto-plastique fondée sur un schéma de sphères composites
Author: Guy Dawance
Publisher:
ISBN:
Category :
Languages : fr
Pages : 270
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Author: Jérôme Oudin
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Author: Philippe Hervé
Publisher:
ISBN:
Category :
Languages : fr
Pages : 148
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Author: Jean-Hubert Schmitt
Publisher:
ISBN:
Category :
Languages : fr
Pages : 315
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Book Description
Analyse par microscopie électronique en transmission des microstructures de dislocations inter-granulaires formées au cours de la déformation plastique des tôles polycristallines d'acier. Analyse de ces microstructures en fonction des systèmes de glissement calculés théoriquement. Modélisation de l'influence de ces microstructures sur le comportement en recharge des matériaux prédéformés. Évaluation des effets respectifs de la microstructure et de la texture. Comparaison des résultats théoriques avec les données expérimentales
