Dislocation Dynamics
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Dislocation Dynamics
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Author : Alan R. Rosenfield
language : en
Publisher:
Release Date : 1968
Dislocation Dynamics written by Alan R. Rosenfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Technology & Engineering categories.
Dislocation Dynamics And Plasticity
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Author : Taira Suzuki
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-07
Dislocation Dynamics And Plasticity written by Taira Suzuki and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-07 with Science categories.
In the 1950s the direct observation of dislocations became possible, stimulat ing the interest of many research workers in the dynamics of dislocations. This led to major contributions to the understanding of the plasticity of various crys talline materials. During this time the study of metals and alloys of fcc and hcp structures developed remarkably. In particular, the discovery of the so-called in ertial effect caused by the electron and phonon frictional forces greatly influenced the quantitative understanding of the strength of these metallic materials. Statis tical studies of dislocations moving through random arrays of point obstacles played an important role in the above advances. These topics are described in Chaps. 2-4. Metals and alloys with bcc structure have large Peierls forces compared to those with fcc structure. The reasons for the delay in studying substances with bcc structure were mostly difficulties connected with the purification techniques and with microscopic studies of the dislocation core. In the 1970s, these difficulties were largely overcome by developments in experimental techniques and computer physics. Studies of dislocations in ionic and covalent bonding materials with large Peierls forces provided infonnation about the core structures of dislocations and their electronic interactions with charged particles. These are the main subjects in Chaps. 5-7.
Dislocation Dynamics
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Author : Alan R. Rosenfield
language : en
Publisher:
Release Date : 1968
Dislocation Dynamics written by Alan R. Rosenfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Technology & Engineering categories.
Dislocation Dynamics During Plastic Deformation
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Author : Ulrich Messerschmidt
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-04-19
Dislocation Dynamics During Plastic Deformation written by Ulrich Messerschmidt and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04-19 with Science categories.
Along with numerous illustrative examples, this text provides an overview of the dynamic behavior of dislocations and its relation to plastic deformation. It introduces the general properties of dislocations and treats the dislocation dynamics in some detail.
Dislocation Dynamics And Mechanical Properties Of Crystals
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Author : Edward Nadgornyi
language : en
Publisher: Elsevier Science & Technology
Release Date : 1988
Dislocation Dynamics And Mechanical Properties Of Crystals written by Edward Nadgornyi and has been published by Elsevier Science & Technology this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.
Dislocations Mesoscale Simulations And Plastic Flow
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Author : Ladislas Kubin
language : en
Publisher: OUP Oxford
Release Date : 2013-04-18
Dislocations Mesoscale Simulations And Plastic Flow written by Ladislas Kubin and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-18 with Science categories.
In the past twenty years, new experimental approaches, improved models and progress in simulation techniques brought new insights into long-standing issues concerning dislocation-based plasticity in crystalline materials. During this period, three-dimensional dislocation dynamics simulations appeared and reached maturity. Their objectives are to unravel the relation between individual and collective dislocation processes at the mesoscale, to establish connections with atom-scale studies of dislocation core properties and to bridge, in combination with modelling, the gap between defect properties and phenomenological continuum models for plastic flow. Dislocation dynamics simulations are becoming accessible to a wide range of users. This book presents to students and researchers in materials science and mechanical engineering a comprehensive coverage of the physical body of knowledge on which they are based. It includes classical studies, which are too often ignored, recent experimental and theoretical advances, as well as a discussion of selected applications on various topics.
Crystal Lattice Defects And Dislocation Dynamics
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Author : Robert A. Vardanian
language : en
Publisher:
Release Date : 2001
Crystal Lattice Defects And Dislocation Dynamics written by Robert A. Vardanian and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Crystal lattices categories.
Dislocations in solids are peculiar among numerous defects in the crystal lattice. From the viewpoint of dimensionality, dislocation represents one-dimensional defect, translationally invariant along its axis. Physically, it is a topological defect, i.e. a fictitious formation violating the lattice symmetry. As a result, dislocations have a significant effect on various electric and optical characteristics of metals, as well as semiconductors. This book reviews the state of experiment and theory concerning the principal mechanisms of dislocational motion. Depending on the value of applied load, dislocation dynamics is considered in the Peierls potential relief, random field of point defects, or under interaction with free electrons.
Dislocation Dynamics
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Author : Alan R. Rosenfield
language : en
Publisher:
Release Date : 1968
Dislocation Dynamics written by Alan R. Rosenfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Crystal lattices categories.
Dislocation Mechanism Based Crystal Plasticity
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Author : Zhuo Zhuang
language : en
Publisher: Academic Press
Release Date : 2019-04-12
Dislocation Mechanism Based Crystal Plasticity written by Zhuo Zhuang and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-12 with Technology & Engineering categories.
Dislocation Based Crystal Plasticity: Theory and Computation at Micron and Submicron Scale provides a comprehensive introduction to the continuum and discreteness dislocation mechanism-based theories and computational methods of crystal plasticity at the micron and submicron scale. Sections cover the fundamental concept of conventional crystal plasticity theory at the macro-scale without size effect, strain gradient crystal plasticity theory based on Taylar law dislocation, mechanism at the mesoscale, phase-field theory of crystal plasticity, computation at the submicron scale, including single crystal plasticity theory, and the discrete-continuous model of crystal plasticity with three-dimensional discrete dislocation dynamics coupling finite element method (DDD-FEM). Three kinds of plastic deformation mechanisms for submicron pillars are systematically presented. Further sections discuss dislocation nucleation and starvation at high strain rate and temperature effect for dislocation annihilation mechanism. Covers dislocation mechanism-based crystal plasticity theory and computation at the micron and submicron scale Presents crystal plasticity theory without size effect Deals with the 3D discrete-continuous (3D DCM) theoretic and computational model of crystal plasticity with 3D discrete dislocation dynamics (3D DDD) coupling finite element method (FEM) Includes discrete dislocation mechanism-based theory and computation at the submicron scale with single arm source, coating micropillar, lower cyclic loading pillars, and dislocation starvation at the submicron scale
The Investigation Of Plastic Behavior By Discrete Dislocation Dynamics For Single Crystal Pillar At Submicron Scale
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Author : Yinan Cui
language : en
Publisher: Springer
Release Date : 2016-10-26
The Investigation Of Plastic Behavior By Discrete Dislocation Dynamics For Single Crystal Pillar At Submicron Scale written by Yinan Cui and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-26 with Science categories.
This thesis transports you to a wonderful and fascinating small-scale world and tells you the origin of several new phenomena. The investigative tool is the improved discrete dislocation-based multi-scale approaches, bridging the continuum modeling and atomistic simulation. Mechanism-based theoretical models are put forward to conveniently predict the mechanical responses and defect evolution. The findings presented in this thesis yield valuable new guidelines for microdevice design, reliability analysis and defect tuning.