# Size Effects in Plasticity

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## Size Effects in Plasticity

Author | : George Voyiadjis,Mohammadreza Yaghoobi |

Publsiher | : Academic Press |

Total Pages | : 408 |

Release | : 2019-08-01 |

ISBN 10 | : 0128135131 |

ISBN 13 | : 9780128135136 |

Language | : EN, FR, DE, ES & NL |

**Size Effects in Plasticity Book Review:**

Size Effects in Plasticity: From Macro to Nano provides concise explanations of all available methods in this area, from atomistic simulation, to non-local continuum models to capture size effects. It then compares their applicability to a wide range of research scenarios. This essential guide addresses basic principles, numerical issues and computation, applications and provides code which readers can use in their own modeling projects. Researchers in the fields of computational mechanics, materials science and engineering will find this to be an ideal resource when they address the size effects observed in deformation mechanisms and strengths of various materials. Provides a comprehensive reference on the field of size effects and a review of mechanics of materials research in all scales Explains all major methods of size effects simulation, including non-local continuum models, non-local crystal plasticity, discrete dislocation methods and molecular dynamics Includes source codes that readers can use in their own projects

## Size Effects in Plasticity

Author | : George Z. Voyiadjis,Mohammadreza Yaghoobi |

Publsiher | : Academic Press |

Total Pages | : 400 |

Release | : 2019-07-15 |

ISBN 10 | : 9780128122365 |

ISBN 13 | : 0128122366 |

Language | : EN, FR, DE, ES & NL |

**Size Effects in Plasticity Book Review:**

Researchers in the fields of computational mechanics, materials science and engineering need to address the size effects observed in deformation mechanisms and strengths of various materials. To solve this problem, this book provides concise explanations of all available methods, from atomistic simulation to non-local continuum models to capture size effects, and compares their applicability to a wide range of research scenarios. This essential guide addresses basic principles, numerical issues and computation, applications, and provides code which readers can use in their own modeling projects. Provides a comprehensive reference on the field of size effects and a review of mechanics of materials research in all scales Explains all major methods of size effects simulation including non-local continuum models, non-local crystal plasticity, discrete dislocation methods, and molecular dynamics Includes source codes that readers can use in their own projects

## Atomistic Simulation Studies of Size Effects in Plasticity and Dislocation Patterning

Author | : Neil Scott Weingarten |

Publsiher | : Unknown |

Total Pages | : 294 |

Release | : 2008 |

ISBN 10 | : 1928374650XXX |

ISBN 13 | : OCLC:233205094 |

Language | : EN, FR, DE, ES & NL |

**Atomistic Simulation Studies of Size Effects in Plasticity and Dislocation Patterning Book Review:**

## Size Effects on Plasticity and Fatigue Microstructure Evolution in FCC Single Crystals

Author | : Jaafar Abbas El-Awady |

Publsiher | : Unknown |

Total Pages | : 244 |

Release | : 2008 |

ISBN 10 | : 1928374650XXX |

ISBN 13 | : OCLC:317071118 |

Language | : EN, FR, DE, ES & NL |

**Size Effects on Plasticity and Fatigue Microstructure Evolution in FCC Single Crystals Book Review:**

## Dislocations Mesoscale Simulations and Plastic Flow

Author | : Ladislas Kubin |

Publsiher | : Oxford University Press |

Total Pages | : 307 |

Release | : 2013-04-18 |

ISBN 10 | : 019852501X |

ISBN 13 | : 9780198525011 |

Language | : EN, FR, DE, ES & NL |

**Dislocations Mesoscale Simulations and Plastic Flow Book Review:**

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. 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 whichthey are based. This includes classical studies, which are too often ignored, recent experimental and theoretical advances, as well as a discussion of selected applications on various topics.

## Size Effects in Crystal Plasticity

Author | : Ulrik Borg,Technical University of Denmark.. Department of Mechanical Engineering |

Publsiher | : Unknown |

Total Pages | : 135 |

Release | : 2007 |

ISBN 10 | : 9788774753421 |

ISBN 13 | : 8774753428 |

Language | : EN, FR, DE, ES & NL |

**Size Effects in Crystal Plasticity Book Review:**

## Multiscale Analysis of Deformation and Failure of Materials

Author | : Jinghong Fan |

Publsiher | : John Wiley & Sons |

Total Pages | : 512 |

Release | : 2011-06-28 |

ISBN 10 | : 111995648X |

ISBN 13 | : 9781119956488 |

Language | : EN, FR, DE, ES & NL |

**Multiscale Analysis of Deformation and Failure of Materials Book Review:**

Presenting cutting-edge research and development within multiscale modeling techniques and frameworks, Multiscale Analysis of Deformation and Failure of Materials systematically describes the background, principles and methods within this exciting new & interdisciplinary field. The author’s approach emphasizes the principles and methods of atomistic simulation and its transition to the nano and sub-micron scale of a continuum, which is technically important for nanotechnology and biotechnology. He also pays close attention to multiscale analysis across the micro/meso/macroscopy of a continuum, which has a broad scope of applications encompassing different disciplines and practices, and is an essential extension of mesomechanics. Of equal interest to engineers, scientists, academics and students, Multiscale Analysis of Deformation and Failure of Materials is a multidisciplinary text relevant to those working in the areas of materials science, solid and computational mechanics, bioengineering and biomaterials, and aerospace, automotive, civil, and environmental engineering. Provides a deep understanding of multiscale analysis and its implementation Shows in detail how multiscale models can be developed from practical problems and how to use the multiscale methods and software to carry out simulations Discusses two interlinked categories of multiscale analysis; analysis spanning from the atomistic to the micro-continuum scales, and analysis across the micro/meso/macro scale of continuum.

## On the Gradient Plasticity Approach to Size Effects

Author | : Anonim |

Publsiher | : Unknown |

Total Pages | : 190 |

Release | : 2001 |

ISBN 10 | : 1928374650XXX |

ISBN 13 | : OCLC:722661730 |

Language | : EN, FR, DE, ES & NL |

**On the Gradient Plasticity Approach to Size Effects Book Review:**

## Handbook of Materials Behavior Models

Author | : Jean Lemaître |

Publsiher | : Academic Press |

Total Pages | : 381 |

Release | : 2001 |

ISBN 10 | : 0124433413 |

ISBN 13 | : 9780124433410 |

Language | : EN, FR, DE, ES & NL |

**Handbook of Materials Behavior Models Book Review:**

## Gradient Enhanced Continuum Plasticity

Author | : George Z. Voyiadjis,Yooseob Song |

Publsiher | : Elsevier |

Total Pages | : 404 |

Release | : 2020-03-27 |

ISBN 10 | : 0128177675 |

ISBN 13 | : 9780128177679 |

Language | : EN, FR, DE, ES & NL |

**Gradient Enhanced Continuum Plasticity Book Review:**

Gradient-Enhanced Continuum Plasticity provides an expansive review of gradient-enhanced continuum plasticity from the initial stage to current research trends in experimental, theoretical, computational and numerical investigations. Starting with an overview of continuum mechanics and classical plasticity, the book then delves into concise lessons covering basic principles and applications, such as outlining the use of the finite element method to solve problems with size effects, mesh sensitivity and high velocity impact loading. All major theories are explored, providing readers with a guide to understanding the various concepts of and differences between an array of gradient-enhanced continuum plasticity models. Outlines the concepts of, and differences between, various gradient-enhanced continuum plasticity models Provides guidance on problem-solving for size effects, mesh-sensitivity tests and thermo-mechanical coupling Reviews experimental, numerical and theoretical issues in gradient-enhanced continuum plasticity Describes micromechanical aspects from experimental observations

## On the Gradient Plasticity Approach to Size Effects

Author | : Thilo Malmberg |

Publsiher | : Unknown |

Total Pages | : 97 |

Release | : 2001 |

ISBN 10 | : 1928374650XXX |

ISBN 13 | : OCLC:163834998 |

Language | : EN, FR, DE, ES & NL |

**On the Gradient Plasticity Approach to Size Effects Book Review:**

## Strain Gradient Plasticity Based Modeling of Damage and Fracture

Author | : Emilio Martínez Pañeda |

Publsiher | : Springer |

Total Pages | : 159 |

Release | : 2017-08-23 |

ISBN 10 | : 3319633848 |

ISBN 13 | : 9783319633848 |

Language | : EN, FR, DE, ES & NL |

**Strain Gradient Plasticity Based Modeling of Damage and Fracture Book Review:**

This book provides a comprehensive introduction to numerical modeling of size effects in metal plasticity. The main classes of strain gradient plasticity formulations are described and efficiently implemented in the context of the finite element method. A robust numerical framework is presented and employed to investigate the role of strain gradients on structural integrity assessment. The results obtained reveal the need of incorporating the influence on geometrically necessary dislocations in the modeling of various damage mechanisms. Large gradients of plastic strain increase dislocation density, promoting strain hardening and elevating crack tip stresses. This stress elevation is quantified under both infinitesimal and finite deformation theories, rationalizing the experimental observation of cleavage fracture in the presence of significant plastic flow. Gradient-enhanced modeling of crack growth resistance, hydrogen diffusion and environmentally assisted cracking highlighted the relevance of an appropriate characterization of the mechanical response at the small scales involved in crack tip deformation. Particularly promising predictions are attained in the field of hydrogen embrittlement. The research has been conducted at the Universities of Cambridge, Oviedo, Luxembourg, and the Technical University of Denmark, in a collaborative effort to understand, model and optimize the mechanical response of engineering materials.

## Emergent neural computation from the interaction of different forms of plasticity

Author | : Cristina Savin,Matthieu Gilson,Friedemann Zenke |

Publsiher | : Frontiers Media SA |

Total Pages | : 135 |

Release | : 2016-03-22 |

ISBN 10 | : 2889197883 |

ISBN 13 | : 9782889197880 |

Language | : EN, FR, DE, ES & NL |

**Emergent neural computation from the interaction of different forms of plasticity Book Review:**

From the propagation of neural activity through synapses, to the integration of signals in the dendritic arbor, and the processes determining action potential generation, virtually all aspects of neural processing are plastic. This plasticity underlies the remarkable versatility and robustness of cortical circuits: it enables the brain to learn regularities in its sensory inputs, to remember the past, and to recover function after injury. While much of the research into learning and memory has focused on forms of Hebbian plasticity at excitatory synapses (LTD/LTP, STDP), several other plasticity mechanisms have been characterized experimentally, including the plasticity of inhibitory circuits (Kullmann, 2012), synaptic scaling (Turrigiano, 2011) and intrinsic plasticity (Zhang and Linden, 2003). However, our current understanding of the computational roles of these plasticity mechanisms remains rudimentary at best. While traditionally they are assumed to serve a homeostatic purpose, counterbalancing the destabilizing effects of Hebbian learning, recent work suggests that they can have a profound impact on circuit function (Savin 2010, Vogels 2011, Keck 2012). Hence, theoretical investigation into the functional implications of these mechanisms may shed new light on the computational principles at work in neural circuits. This Research Topic of Frontiers in Computational Neuroscience aims to bring together recent advances in theoretical modeling of different plasticity mechanisms and of their contributions to circuit function. Topics of interest include the computational roles of plasticity of inhibitory circuitry, metaplasticity, synaptic scaling, intrinsic plasticity, plasticity within the dendritic arbor and in particular studies on the interplay between homeostatic and Hebbian plasticity, and their joint contribution to network function.

## Dislocation Mechanism Based Crystal Plasticity

Author | : Zhuo Zhuang,Zhanli Liu,Yinan Cui |

Publsiher | : Academic Press |

Total Pages | : 450 |

Release | : 2019-04-12 |

ISBN 10 | : 0128145927 |

ISBN 13 | : 9780128145920 |

Language | : EN, FR, DE, ES & NL |

**Dislocation Mechanism Based Crystal Plasticity Book Review:**

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

## Dislocation Mechanics of Metal Plasticity and Fracturing

Author | : Ronald W. Armstrong |

Publsiher | : MDPI |

Total Pages | : 188 |

Release | : 2020-11-03 |

ISBN 10 | : 3039432648 |

ISBN 13 | : 9783039432646 |

Language | : EN, FR, DE, ES & NL |

**Dislocation Mechanics of Metal Plasticity and Fracturing Book Review:**

The modern understanding of metal plasticity and fracturing began about 100 years ago, with pioneering work; first, on crack-induced fracturing by Griffith and, second, with the invention of dislocation-enhanced crystal plasticity by Taylor, Orowan and Polanyi. The modern counterparts are fracture mechanics, as invented by Irwin, and dislocation mechanics, as initiated in pioneering work by Cottrell. No less important was the breakthrough development of optical characterization of sectioned polycrystalline metal microstructures started by Sorby in the late 19th century and leading eventually to modern optical, x-ray and electron microscopy methods for assessments of crystal fracture surfaces, via fractography, and particularly of x-ray and electron microscopy techniques applied to quantitative characterizations of internal dislocation behaviors. A major current effort is to match computational simulations of metal deformation/fracturing behaviors with experimental measurements made over extended ranges of microstructures and over varying external conditions of stress-state, temperature and loading rate. The relation of such simulations to the development of constitutive equations for a hoped-for predictive description of material deformation/fracturing behaviors is an active topic of research. The present collection of articles provides a broad sampling of research accomplishments on the two subjects.

## Crystal Plasticity at Micro and Nano scale Dimensions

Author | : Ronald W. Armstrong,Wayne L. Elban |

Publsiher | : MDPI |

Total Pages | : 322 |

Release | : 2021-08-31 |

ISBN 10 | : 3036508740 |

ISBN 13 | : 9783036508740 |

Language | : EN, FR, DE, ES & NL |

**Crystal Plasticity at Micro and Nano scale Dimensions Book Review:**

The present collection of articles focuses on the mechanical strength properties at micro- and nanoscale dimensions of body-centered cubic, face-centered cubic and hexagonal close-packed crystal structures. The advent of micro-pillar test specimens is shown to provide a new dimensional scale for the investigation of crystal deformation properties. The ultra-small dimensional scale at which these properties are measured is shown to approach the atomic-scale level at which model dislocation mechanics descriptions of crystal slip and deformation twinning behaviors are proposed to be operative, including the achievement of atomic force microscopic measurements of dislocation pile-up interactions with crystal grain boundaries or with hard surface coatings. A special advantage of engineering designs made at such small crystal and polycrystalline dimensions is the achievement of an approximate order-of-magnitude increase in mechanical strength levels. Reasonable extrapolation of macro-scale continuum mechanics descriptions of crystal strength properties at micro- to nano-indentation hardness measurements are demonstrated, in addition to reports on persistent slip band observations and fatigue cracking behaviors. High-entropy alloy, superalloy and energetic crystal properties are reported along with descriptions of deformation rate sensitivities, grain boundary structures, nano-cutting, void nucleation/growth micromechanics and micro-composite electrical properties.

## Effects of Game and Game like Training on Neurocognitive Plasticity

Author | : Guido P. H. Band,Chandramallika Basak,Heleen A. Slagter,Michelle W. Voss |

Publsiher | : Frontiers Media SA |

Total Pages | : 135 |

Release | : 2016-05-17 |

ISBN 10 | : 2889198405 |

ISBN 13 | : 9782889198405 |

Language | : EN, FR, DE, ES & NL |

**Effects of Game and Game like Training on Neurocognitive Plasticity Book Review:**

Cognitive training is not always effective. This is also the case for the form of cognitive training that this Research Topic focuses on: prolonged performance on game-like cognitive tasks. The ultimate goal of this cognitive training is to improve ecologically-valid target functions. For example, cognitive training should help children with ADHD to stay focused at school, or help older adults to manage the complexity of daily life. However, so far this goal has proven too ambitious. Transfer from trained to non-trained tasks is not even guaranteed in a laboratory, so there is a strong need for understanding how, when and for how long cognitive training has effect. Which cognitive functions are amenable to game training, for whom, and how? Are there mediating factors for success, such as motivation, attention, or age? Are the improvements real, or can they be attributed to nonspecific factors, such as outcome expectancy or demand characteristics? Are there better strategies to improve cognitive functions through game training? This Research Topic of Frontiers in Human Neuroscience charts current insights in the determinants of success of game training.

## Size Scale Effects in the Failure Mechanisms of Materials and Structures

Author | : Alberto Carpinteri |

Publsiher | : CRC Press |

Total Pages | : 593 |

Release | : 2002-11-01 |

ISBN 10 | : 0203475925 |

ISBN 13 | : 9780203475928 |

Language | : EN, FR, DE, ES & NL |

**Size Scale Effects in the Failure Mechanisms of Materials and Structures Book Review:**

Invited international contributions to this exciting new research field are included in this volume. It contains the specially selected papers from 45 key specialists given at the Symposium held under the auspices of the prestigious International Union of Theoretical and Applied Mechanics at Turin in October 1994.

## A Strain Gradient Plasticity Analysis of Size Effects in Thin Films

Author | : Per Fredriksson,Kungliga Tekniska högskolan. Institutionen för hållfasthetslära |

Publsiher | : Unknown |

Total Pages | : 15 |

Release | : 2005 |

ISBN 10 | : 1928374650XXX |

ISBN 13 | : OCLC:185730940 |

Language | : EN, FR, DE, ES & NL |

**A Strain Gradient Plasticity Analysis of Size Effects in Thin Films Book Review:**

## Geometrical Size Effects in the Plasticity of Metals by Micromechanical Testing

Author | : Anonim |

Publsiher | : Unknown |

Total Pages | : 135 |

Release | : 2009 |

ISBN 10 | : 1928374650XXX |

ISBN 13 | : OCLC:940364843 |

Language | : EN, FR, DE, ES & NL |

**Geometrical Size Effects in the Plasticity of Metals by Micromechanical Testing Book Review:**