Micromechanics Modelling Of Ductile Fracture
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Micromechanics Modelling Of Ductile Fracture
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Author : Zengtao Chen
language : en
Publisher: Springer
Release Date : 2013-04-05
Micromechanics Modelling Of Ductile Fracture written by Zengtao Chen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-05 with Technology & Engineering categories.
This book summarizes research advances in micromechanics modeling of ductile fractures made in the past two decades. The ultimate goal of this book is to reach manufacturing frontline designers and materials engineers by providing a user-oriented, theoretical background of micromechanics modeling. Accordingly, the book is organized in a unique way, first presenting a vigorous damage percolation model developed by the authors over the last ten years. This model overcomes almost all difficulties of the existing models and can be used to completely accommodate ductile damage developments within a single-measure microstructure frame. Related void damage criteria including nucleation, growth and coalescence are then discussed in detail: how they are improved, when and where they are used in the model, and how the model performs in comparison with the existing models. Sample forming simulations are provided to illustrate the model’s performance.
Micromechanics Modelling Of Ductile Fracture
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Author : Zengtao Chen
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-02
Micromechanics Modelling Of Ductile Fracture written by Zengtao Chen 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 2013-04-02 with Science categories.
This book summarizes research advances in micromechanics modeling of ductile fractures made in the past two decades. The ultimate goal of this book is to reach manufacturing frontline designers and materials engineers by providing a user-oriented, theoretical background of micromechanics modeling. Accordingly, the book is organized in a unique way, first presenting a vigorous damage percolation model developed by the authors over the last ten years. This model overcomes almost all difficulties of the existing models and can be used to completely accommodate ductile damage developments within a single-measure microstructure frame. Related void damage criteria including nucleation, growth and coalescence are then discussed in detail: how they are improved, when and where they are used in the model, and how the model performs in comparison with the existing models. Sample forming simulations are provided to illustrate the model’s performance.
Ductile Fracture In Metal Forming
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Author : Kazutake Komori
language : en
Publisher: Academic Press
Release Date : 2019-10-11
Ductile Fracture In Metal Forming written by Kazutake Komori and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-11 with Technology & Engineering categories.
Ductile Fracture in Metal Forming: Modeling and Simulation examines the current understanding of the mechanics and physics of ductile fracture in metal forming processes while also providing an approach to micromechanical ductile fracture prediction that can be applied to all metal forming processes. Starting with an overview of different ductile fracture scenarios, the book then goes on to explain modeling techniques that predict a range of mechanical phenomena that can lead to ductile fracture. The challenges in creating micromechanical models are addressed alongside methods of applying these models to several common metal forming processes. This book is suitable for researchers working in mechanics of materials, metal forming, mechanical metallurgy, and plasticity. Engineers in R&D industries involved in metal forming such as manufacturing, aerospace, and automation will also find the book very useful. Explains innovative micromechanical modeling techniques for a variety of material behaviors Examines how these models can be applied to metal forming processes in practice, including blanking, arrowed cracks in drawing, and surface cracks in upset forging Provides a thorough examination of both macroscopic and microscopic ductile fracture theory
Micromechanisms Of Fracture And Fatigue
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Author : Jaroslav Pokluda
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-05-27
Micromechanisms Of Fracture And Fatigue written by Jaroslav Pokluda 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 2010-05-27 with Technology & Engineering categories.
Micromechanisms of Fracture and Fatigue forms the culmination of 20 years of research in the field of fatigue and fracture. It discusses a range of topics and comments on the state of the art for each. The first part is devoted to models of deformation and fracture of perfect crystals. Using various atomistic methods, the theoretical strength of solids under simple and complex loading is calculated for a wide range of elements and compounds, and compared with experimental data. The connection between the onset of local plasticity in nanoindentation tests and the ideal shear strength is analysed using a multi-scale approach. Moreover, the nature of intrinsic brittleness or ductility of perfect crystal lattices is demonstrated by the coupling of atomistic and mesoscopic approaches, and compared with brittle/ductile behaviour of engineering materials. The second part addresses extrinsic sources of fracture toughness of engineering materials, related to their microstructure and microstructurally-induced crack tortuosity. Micromechanisms of ductile fracture are also described, in relation to the fracture strain of materials. Results of multilevel modelling, including statistical aspects of microstructure, are used to explain remarkable phenomena discovered in experiments. In the third part of the book, basic micromechanisms of fatigue cracks propagation under uniaxial and multiaxial loading are discussed on the basis of the unified mesoscopic model of crack tip shielding and closure, taking both microstructure and statistical effects into account. Applications to failure analysis are also outlined, and an attempt is made to distinguish intrinsic and extrinsic sources of materials resistance to fracture. Micromechanisms of Fracture and Fatigue provides scientists, researchers and postgraduate students with not only a deep insight into basic micromechanisms of fracture behaviour of materials, but also a number of engineering applications.
Micromechanics Of Fracture And Damage
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Author : Luc Dormieux
language : en
Publisher: John Wiley & Sons
Release Date : 2016-03-31
Micromechanics Of Fracture And Damage written by Luc Dormieux and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-31 with Technology & Engineering categories.
This book deals with the mechanics and physics of fractures at various scales. Based on advanced continuum mechanics of heterogeneous media, it develops a rigorous mathematical framework for single macrocrack problems as well as for the effective properties of microcracked materials. In both cases, two geometrical models of cracks are examined and discussed: the idealized representation of the crack as two parallel faces (the Griffith crack model), and the representation of a crack as a flat elliptic or ellipsoidal cavity (the Eshelby inhomogeneity problem). The book is composed of two parts: The first part deals with solutions to 2D and 3D problems involving a single crack in linear elasticity. Elementary solutions of cracks problems in the different modes are fully worked. Various mathematical techniques are presented, including Neuber-Papkovitch displacement potentials, complex analysis with conformal mapping and Eshelby-based solutions. The second part is devoted to continuum micromechanics approaches of microcracked materials in relation to methods and results presented in the first part. Various estimates and bounds of the effective elastic properties are presented. They are considered for the formulation and application of continuum micromechanics-based damage models.
Modeling Of Defects And Fracture Mechanics
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Author : G. Herrmann
language : en
Publisher: Springer
Release Date : 2014-05-04
Modeling Of Defects And Fracture Mechanics written by G. Herrmann and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-04 with Science categories.
All materials contain numerous defects, such as microcracks, microvoids, inhomogeneities, dislocations, etc., which precede possible fracture. Thus mathematical modeling becomes necessary. This volume contains some introductory material, aspects of fracture mechanics, the theory of crystal defects, computational micromechanics, and the heterogenization methodology.
Fracture Mechanics
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Author : Dietmar Gross
language : en
Publisher: Springer
Release Date : 2017-11-28
Fracture Mechanics written by Dietmar Gross and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-28 with Science categories.
- self-contained and well illustrated - complete and comprehensive derivation of mechanical/mathematical results with enphasis on issues of practical importance - combines classical subjects of fracture mechanics with modern topics such as microheterogeneous materials, piezoelectric materials, thin films, damage - mechanically and mathematically clear and complete derivations of results
Fracture Mechanics
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Author : Fazil Erdogan
language : en
Publisher: ASTM International
Release Date : 1995
Fracture Mechanics written by Fazil Erdogan and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aluminum alloys categories.
Fracture Mechanics
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Author : Walter G. Reuter
language : en
Publisher: ASTM International
Release Date : 1995
Fracture Mechanics written by Walter G. Reuter and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aluminum alloys categories.
Constraint Effects In Fracture
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Author : E. M. Hackett
language : en
Publisher: ASTM International
Release Date : 1993
Constraint Effects In Fracture written by E. M. Hackett and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Continuum mechanics categories.
Papers presented at the symposium on [title] held in Indianapolis, Indiana, May 1991, provide a framework for quantifying constraint effects in terms of both continuum mechanics and micro-mechanical modeling approaches. Such a framework is useful in establishing accurate predictions of the fracture