Dislocations In Solids
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Dislocations In Solids
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Author : Frank R.N. Nabarro
language : en
Publisher: Elsevier
Release Date : 2004-12
Dislocations In Solids written by Frank R.N. Nabarro and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-12 with Science categories.
This is the first volume to appear under the joint editorship of J.P. Hirth and F.R.N. Nabarro. While Volume 11 concentrated on the single topic of dislocations and work hardening, the present volume spreads over the whole range of the study of dislocations from the application by Kléman and his colleagues of homotopy theory to classifying the line and point defects of mesomorphic phases to Chaudhri's account of the experimental observations of dislocations formed around indentations. Chapter 64, by Cai, Bulatove, Chang, Li and Yip, discusses the influence of the structure of the core of a dislocation on its mobility. The power of modern computation allows this topic to be treated from the first principles of electron theory, and with empirical potentials for more complicated problems. Advances in electron microscopy allow these theoretical predictions to be tested. In Chapter 65, Xu analyzes the emission of dislocations from the tip of a crack and its influence on the brittle to ductile transition. Again, the treatment is predominantly theoretical, but it is consistently related to the very practical example of alpha iron. In a dazzling interplay of experiment and abstract mathematics, Kléman, Lavrentovich and Nastishin analyze the line and point structural defects of the many mesomorphic phases which have become known in recent years. Chapter 67, by Coupeau, Girard and Rabier, is essentially experimental. It shows how the various modern techniques of scanning probe microscopy can be used to study dislocations and their interaction with the free surface. Chapter 68, by Mitchell and Heuer, considers the complex dislocations that can form in ceramic crystals on the basis of observations by transmission electron microscopy and presents mechanistic models for the motion of the dislocations in various temperature regimes. While the underlying aim of the study of dislocations in energetic crystals by Armstrong and Elban in Chapter 69 is to understand the role of dislocations in the process of detonation, it has the wider interest of studying dislocations in molecular crystals which are ``elastically soft, plastically hard, and brittle''. Chaudhri in Chapter 70 discusses the role of dislocations in indentation processes, largely on the basis of the elastic analysis by E.H. Yoffe. The special case of nanoindentations is treated only briefly.
Dislocations In Solids
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Author : Hideji Suzuki
language : en
Publisher: VSP
Release Date : 1985-12
Dislocations In Solids written by Hideji Suzuki and has been published by VSP this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985-12 with Science categories.
This volume comprises the Proceedings of the Yamada Conference IX on Dislocations in Solids, held in August 1984 in Tokyo. The purpose of the conference was two-fold: firstly to evaluate the increasing data on basic properties of dislocations and their interaction with other types of defects in solids and, secondly, to increase understanding of the material properties brought about by dislocation-related phenomena. Metals and alloys, semi-conductors and ions crystals were discussed. One of the important points of contention was the electronic state at the core of dislocation. Another was the dislocation model of amorphous structure.
Dislocations In Solids
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Author :
language : en
Publisher: Elsevier
Release Date : 2009-10-13
Dislocations In Solids written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-10-13 with Technology & Engineering categories.
Bacon and Osetsky present an atomistic model of dislocation-particle interactions in metal systems, including irradiated materials. This work is important in simulating actual behavior, removing earlier reliance on assumed mechanisms for dislocation motion. New mechanisms for dislocation generation under shock loading are presented by Meyers et al. These models provide a basis for understanding the constitutive behavior of shocked material. Saada and Dirras provide a new perspective on the Hall-Petch relation, with particular emphasis on nanocrystals. Of particular significance, deviations from the traditional stress proportional to the square-root of grain size relation are explained. Robertson et al consider a number of effects of hydrogen on plastic flow and provide a model that provides an explanation of the broad range of properties. - Flow stress of metal systems with particle hardening, including radiation effects - New model for dislocation kinetics under shock loading - Explanation of effects of nanoscale grain size on strength - Mechanism of hydrogen embrittlement in metal alloys
Dislocations In Solids Moving Dislocations
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Author : Frank Reginald Nunes Nabarro
language : en
Publisher:
Release Date : 1979
Dislocations In Solids Moving Dislocations written by Frank Reginald Nunes Nabarro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Dislocations in crystals categories.
An Introduction To Composite Materials
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Author : D. Hull
language : en
Publisher: Cambridge University Press
Release Date : 1996-08-13
An Introduction To Composite Materials written by D. Hull and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-08-13 with Technology & Engineering categories.
This edition has been greatly enlarged and updated to provide both scientists and engineers with a clear and comprehensive understanding of composite materials. In describing both theoretical and practical aspects of their production, properties and usage, the book crosses the borders of many disciplines. Topics covered include: fibres, matrices, laminates and interfaces; elastic deformation, stress and strain, strength, fatigue crack propagation and creep resistance; toughness and thermal properties; fatigue and deterioration under environmental conditions; fabrication and applications. Coverage has been increased to include polymeric, metallic and ceramic matrices and reinforcement in the form of long fibres, short fibres and particles. Designed primarily as a teaching text for final-year undergraduates in materials science and engineering, this book will also interest undergraduates and postgraduates in chemistry, physics, and mechanical engineering. In addition, it will be an excellent source book for academic and technological researchers on materials.
Dislocations In Solids
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Author :
language : en
Publisher: Elsevier
Release Date : 2009-08-28
Dislocations In Solids written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-28 with Science categories.
New materials addressed for the first time include the chapters on minerals by Barber et al and the chapter on dislocations in colloidal crystals by Schall and Spaepen. Moriarty et al extend the first principles calculations of kink configurations in bcc metals to high pressures, including the use of flexible boundary conditions to model dilatational effects. Rabier et al clarify the issue of glide-shuffle slip systems in diamond cubic and related III-V compounds. Metadislocations, discussed by Feuerbacher and Heggen, represent a new type of defect in multicomponent metal compounds and alloys. - Kink mechanisms for dislocation motion at high pressure in bcc metals - Dislocation core structures identified in silicon at high stress - Metadislocations, a new type of defect, identified and described - Extension of dislocation concepts to complex minerals - First observations of dislocations in colloidal crystals
Dislocations In Solids
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Author : Frank Reginald Nunes Nabarro
language : en
Publisher:
Release Date : 1979
Dislocations In Solids written by Frank Reginald Nunes Nabarro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Dislocations in crystals categories.
Dislocations In Solids Dislocations In Metallurgy
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Author : Frank Reginald Nunes Nabarro
language : en
Publisher:
Release Date : 1979
Dislocations In Solids Dislocations In Metallurgy written by Frank Reginald Nunes Nabarro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Dislocations in crystals categories.
Introduction To Dislocations
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Author : Derek Hull
language : en
Publisher: Butterworth-Heinemann
Release Date : 2001-07-02
Introduction To Dislocations written by Derek Hull and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-07-02 with Technology & Engineering categories.
Introduction to Dislocations was first published in 1965 in a series aimed at undergraduate and postgraduate students in metallurgy and materials science and related disciplines. At the time, the subject was maturing and it was expected that 'dislocation concepts' would remain a core discipline for a very long time. As expected, the book has been, and remains, an important undergraduate text all over the world. A wider range of materials has emerged since 1965, most notably in the field of electronics and micro-engineering. The principles of dislocation theory still apply but some of the detail requires further treatment. This fourth edition provides an essential basis for an understanding of many of the physical and mechanical properties of crystalline solids. This new edition has been extensively revised and updated to reflect developments in the understanding of the subject, whilst retaining the clarity and comprehensibility of the previous editions.
Dislocations In Solids
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Author :
language : en
Publisher: Elsevier
Release Date : 2011-09-22
Dislocations In Solids written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-22 with Science categories.
New models for dislocation structure and motion are presented for nanocrystals, nucleation at grain boundaries, shocked crystals, interphase interfaces, quasicrystals, complex structures with non-planar dislocation cores, and colloidal crystals. A review of experimentally established main features of the magnetoplastic effect with their physical interpretation explains many diverse results of this type. The model has many potential applications for forming processes influenced by magnetic fields. - Dislocation model for the magnetoplastic effect - New mechanism for dislocation nucleation and motion in nanocrystals - New models for the dislocation structure of interfaces between crystals with differing crystallographic structure - A unified view of dislocations in quasicrystals, with a new model for dislocation motion - A general model of dislocation behavior in crystals with non-planar dislocation cores - Dislocation properties at high velocities - Dislocations in colloidal crystals