Fracture Of Metals
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Ductile Fracture Of Metals
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Author : P. F. Thomason
language : en
Publisher: Pergamon
Release Date : 1990
Ductile Fracture Of Metals written by P. F. Thomason and has been published by Pergamon this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Technology & Engineering categories.
An account of the recent developments in research into ductile fracture in metals and alloys. Aspects covered include localized fracture at the root of notches and sharp cracks, and fracture in bulk plastic-deformation processes of the metal and metal forming type. Also discusses various theoretical
A Summary Of The Theory Of Fracture In Metals
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Author : J. W. Spretnak
language : en
Publisher:
Release Date : 1961
A Summary Of The Theory Of Fracture In Metals written by J. W. Spretnak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Deformations (Mechanics) categories.
The theoretical strength of metals, bas d on atomic forces, is in the order of 100 to 1000 greater than that observed. Reasons for this discrepancy are discussed in detail, but the more important ones are (1) lattice imperfections, (2) the fact th t real metals ar polycrystalline aggregates, (3) crystalline anisotropy, and (4) the ability of metals to deform by shear. Plastic flow, particularly heterogeneous plastic flow, is intimately associated with crack initiation. The precise conditions under which plastic flow c ase and bond rupturing (cracking begins are not completely understood. The body-centered cubic lattice has geometric characteristics that make it particularly susceptible to fracture with little or no preceding plastic flow. Multidirectional stress fields, both microscopic and macroscopic, affect the degree of plastic deformation that precedes crack initiation. The theory of fracture as it exists oday is reviewed. (Author).
Fracture Of Metals
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Author : H. Liebowitz
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Fracture Of Metals written by H. Liebowitz and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Literary Criticism categories.
Fracture of Metals is part of a multivolume treatise that brings together the fundamentals for critical evaluation of the different theories and experimental findings on brittle fracture. These results, together with their design implications, should be made available to professional engineers, students, and researchers in industrial organizations, educational and research institutions, and various governmental agencies. Seven major areas are covered in this treatise on fracture. They are: (1) microscopic and macroscopic fundamentals of fracture; (2) mathematical fundamentals of fracture; (3) engineering fundamentals of fracture and environmental effects; (4) engineering fracture design; (5) fracture design of structures; (6) fracture of metals; and (7) fracture of nonmetals and composites. The present volume focuses on the fracture of metals. The book opens with chapter on the influence of alloying elements on fracture behavior in metallic systems of the three common crystal structures: face-centered cubic, body-centered cubic, and hexagonal close packed. Separate chapters follow on the principal microstructural factors which seem to be important for fracture toughness; the nature of the fracture processes occurring in high-strength materials; and the state of knowledge on fracture toughness of structural steels. Subsequent chapters deal with the strength and toughness of hot-rolled, ferrite-pearlite steels; fracture behavior of aluminum and its alloys; and fracture phenomena associated with electrical effects.
Developments In Fracture Mechanics The Mechanics And Mechanisms Of Fracture In Metals
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Author : G. G. Chell
language : en
Publisher: Elsevier Science & Technology
Release Date : 1981
Developments In Fracture Mechanics The Mechanics And Mechanisms Of Fracture In Metals written by G. G. Chell 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 1981 with Technology & Engineering categories.
Fracture Of Metals Polymers And Glasses
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Author : L. Bonis
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Fracture Of Metals Polymers And Glasses written by L. Bonis 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 2012-12-06 with Technology & Engineering categories.
Elucidation of the various mechanisms responsible for fracture in different materials was the general subject of the Fourth Annual Symposium on Fundamental Phenomena in the Materials Sciences held January 31 and February 1, 1966, in Boston and sponsored by the Ilikon Corporation of Natick, Massachusetts. In an analysis of the brittle-to-ductile transition in polycrystalline metals, T. L. Johnston (Ford Motor Company) placed major emphasis on factors related to the plastic resistance associated with grain boundaries and the effects of plastic anisotropy. Utilizing a generalized form of the Griffith criterion, he said it can be readily shown that several individual factors may be made reasonably quantitative and that the nature of plastic response can be predicted. Specifically, it can be shown that a critical factor relates to the length of a plastic shear zone which is constrained by an elastically loaded matrix. As this length increases, the Griffith inequality is satisfied and brittle failure occurs; however, the use of decreased grain sizes or the refine ment of dislocation or twin distribution can further tend to "homoge nize" the plastic flow and to decrease the magnitude of the shear zone. Of considerable importance in the consideration of plastic resistance is the availability of favorably oriented slip systems in aa un sheared crystallite.
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
Micromechanism Of Cleavage Fracture Of Metals
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Author : Jianhong Chen
language : en
Publisher: Butterworth-Heinemann
Release Date : 2014-09-15
Micromechanism Of Cleavage Fracture Of Metals written by Jianhong Chen and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-15 with Technology & Engineering categories.
In this book the authors focus on the description of the physical nature of cleavage fracture to offer scientists, engineers and students a comprehensive physical model which vividly describes the cleavage microcracking processes operating on the local (microscopic) scale ahead of a defect. The descriptions of the critical event and the criteria for cleavage fracture will instruct readers in how to control the cleavage processes and optimize microstructure to improve fracture toughness of metallic materials. Physical (mechanical) processes of cleavage fracture operating on the local (microscopic) scale, with the focus on the crack nucleation and crack propagation across the particle/grain and grain/grain boundaries Critical event, i.e., the stage of greatest difficulty in forming the microcrack, which controls the cleavage fracture Criteria triggering the cleavage microcracking with incorporation of the actions of macroscopic loading environment into the physical model Effects of microstructure on the cleavage fracture, including the effects of grain size, second phase particles and boundary Comprehensive description of the brittle fracture emerging in TiAl alloys and TiNi memory alloys
Ductile Fracture And Ductility
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Author : Bradley Dodd
language : en
Publisher: Academic Press
Release Date : 1987
Ductile Fracture And Ductility written by Bradley Dodd and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Technology & Engineering categories.
Fatigue And Fracture Of Metals
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Author : W M. Murray
language : en
Publisher:
Release Date : 1952
Fatigue And Fracture Of Metals written by W M. Murray and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1952 with categories.
Applications And Non Metals
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Author : D.M.R. Taplin
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Applications And Non Metals written by D.M.R. Taplin and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
Advances in Research on the Strength and Fracture of Materials: Volume 3Bs—Applications and Non-Metals contains the proceedings of the Fourth International Conference on Fracture, held at the University of Waterloo, Canada, in June 1977. The papers review the state of the art with respect to testing of fracture in a wide range of non-metals such as ceramics, glass, composites, polymers, biomaterials, and concrete. This volume is divided into five sections and opens by discussing the role of acoustic emission in fracture toughness testing and the relation between static and dynamic fracture toughness of structural steels. The reader is then introduced to methods for determining stress-intensity factors of simplified geometries of structural parts; stress analysis of pressure vessels by thermal shock; the fracture toughness of constructional steels in cyclic loading; and fracture processes and fracture toughness in powder forged steels. The remaining chapters explore the influence of low-cycle damage on fracture toughness; fracture of structural alloys at temperatures approaching absolute zero; fracture mechanisms in Si-Al-O-N ceramics; propagation and bifurcation of cracks in quartz; and the effect of pressure and environment on the fracture and yield of polymers. This monograph will be a useful resource for metallurgists, materials scientists, and structural and mechanical engineers.