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Author : Bradley Dodd,Yilong Bai
Publisher : Academic Press
Page : 328 pages
File Size : 40,7 Mb
Release : 1987
Category : Technology & Engineering
ISBN : UOM:39015012449735
Author : P. F. Thomason
Publisher : Pergamon
Page : 240 pages
File Size : 52,6 Mb
Release : 1990
Category : Technology & Engineering
ISBN : UOM:39015017897771
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
Author : OECD Nuclear Energy Agency. Committee on the Safety of Nuclear Installations
Publisher : Unknown
Page : 550 pages
File Size : 47,9 Mb
Release : 1983
Category : Technology & Engineering
ISBN : WISC:89034022582
Author : F. C. Campbell
Publisher : ASM International
Page : 699 pages
File Size : 46,8 Mb
Release : 2012-01-01
Category : Technology & Engineering
ISBN : 9781615039760
"This book emphasizes the physical and practical aspects of fatigue and fracture. It covers mechanical properties of materials, differences between ductile and brittle fractures, fracture mechanics, the basics of fatigue, structural joints, high temperature failures, wear, environmentally-induced failures, and steps in the failure analysis process."--publishers website.
Author : American Society for Metals
Publisher : Unknown
Page : 400 pages
File Size : 51,6 Mb
Release : 1968
Category : Metals
ISBN : WISC:89038842076
Author : Giovanni Straffelini
Publisher : Elsevier
Page : 446 pages
File Size : 40,8 Mb
Release : 2023-03-23
Category : Technology & Engineering
ISBN : 9780323996778
Ductility and Formability of Metals: A Metallurgical Engineering Perspective uses metallurgical, mechanical and physical principles and concepts to explain ductility while emphasizing the influence of material microstructure on damage mechanisms. Focusing on steel, aluminum, copper, titanium and magnesium alloys, the book examines the strain hardening behaviors of these metals and alloys, the influence of strain rate and temperature, and ductile fracture mechanics. Hot plastic deformation is covered with special consideration given to its interplay with recrystallization phenomena. Other phenomena such as Dynamic Strain Ageing (DSA) and Adiabatic Shear Banding (ASB) are discussed, and metal working applications such as forging, extrusion and machining are included throughout. Methods for control of ductile cracks in metal parts resulting from rolling, forging, extrusion, drawing, and sheet metal forming are also outlined. Provides an overview on the plastic deformation behavior and ductile fracture of steel, aluminum, copper, titanium and magnesium alloys Illustrates the influence of microstructure on yield behavior, strain hardening of metals, and the influence of strain rate and temperature Covers the role of the strain hardening coefficient (n), strain rate index (m), Dynamic Strain Ageing (DSA), and Adiabatic Shear Banding (ASB) Metalworking applications are provided throughout, including forging, rolling, extrusion, wire drawing, sheet metal forming and machining
Author : OECD Nuclear Energy Agency. Committee on the Safety of Nuclear Installations
Publisher : Unknown
Page : 540 pages
File Size : 40,6 Mb
Release : 1983
Category : Fracture mechanics
ISBN : OCLC:449746299
Author : Dennis Michael Tracey
Publisher : Unknown
Page : 36 pages
File Size : 49,5 Mb
Release : 1968
Category : Ductility
ISBN : UOM:39015095220508
The growth and coalescence of voids is a common mechanism of fracture in ductile materials. Analytical work on the problem to date has dealt mainly with isolated voids in perfectly plastic materials, so that strain hardening and interactions between neighboring voids have been neglected. These features of void growth are examined here, but only for a simple geometrical configuration. In particular, the growth of single infinitely long cylindrical voids in bodies of rigid-plastic, strain-hardening material is considered. Bodies with both finite and infinite dimensions normal to the void surface are included in the analysis. The exact relation among the pertinent variables: transverse stress, axial strain, hardening coefficient, void strain and void growth rate is presented. Solution via a bounding technique is given for two general cases. The first case is that of an imposed constant void growth rate and the second case is an imposed constant transverse stress. The results show a decelerating effect of hardening on void growth. Application to the ductile fracture problem of void growth in the neck of a tensile specimen demonstrates the accelerating effect of void growth due to interactions between voids. (Author).
Author : Zengtao Chen,Cliff Butcher
Publisher : Springer
Page : 307 pages
File Size : 55,7 Mb
Release : 2013-04-05
Category : Technology & Engineering
ISBN : 940076099X
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.
Author : F. R. Schwartzberg,H. R. Ogden,Robert Isaac Jaffee
Publisher : Unknown
Page : 86 pages
File Size : 53,7 Mb
Release : 1959
Category : Brittleness
ISBN : UOM:39015095151745
Author : Kazutake Komori
Publisher : Academic Press
Page : 294 pages
File Size : 50,6 Mb
Release : 2019-10-11
Category : Technology & Engineering
ISBN : 9780128147733
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
Author : Gang Liu
Publisher : National Library of Canada = Bibliothèque nationale du Canada
Page : 420 pages
File Size : 49,9 Mb
Release : 2002
Category : Metals
ISBN : 0612720683
Author : Glenn E. Beltz
Publisher : Unknown
Page : 360 pages
File Size : 44,8 Mb
Release : 1999-04-16
Category : Reference
ISBN : UOM:39015041999999
Dramatic progress has been made in the fundamentals of fracture, with special emphasis on the ductile/brittle transition across a broad spectrum of material classes. Unfortunately, however, since these studies are carried out in diverse research communities, communication among the different groups is limited. This book brings these diverse groups together. Contributions generally follow the topical outline upon which the symposium was organized. Part I deals with brittle/ductile behavior of steels and structural metallic alloys. The development of analytical models based on micromechanical models, such as dislocation mechanics and cohesive/contact zone models, is the focus of Part II. Nonmetals, including silicon, are reviewed in Parts III and IV. Fractals, chaos, and scaling theories, with emphasis on fracture in heterogeneous solids, is the basis of Part V. Crystal plasticity and mesoscale dislocation modelling follow in Part VI, with the technologically significant area of interfacial fracture featured in Part VII.
Author : Bahram Farahmand,George Bockrath,James Glassco
Publisher : Springer Science & Business Media
Page : 386 pages
File Size : 46,6 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9781461560098
In the preliminary stage of designing new structural hardware that must perform a given mission in a fluctuating load environment, there are several factors the designers should consider. Trade studies for different design configurations should be performed and, based on strength and weight considerations, among others, an optimum configuration selected. The selected design must be able to withstand the environment in question without failure. Therefore, a comprehen sive structural analysis that consists of static, dynamic, fatigue, and fracture is necessary to ensure the integrity of the structure. During the past few decades, fracture mechanics has become a necessary discipline for the solution of many structural problems. These problems include the prevention of failures resulting from preexisting cracks in the parent material, welds or that develop under cyclic loading environment during the life of the structure. The importance of fatigue and fracture in nuclear, pressure vessel, aircraft, and aerospace structural hardware cannot be overemphasized where safety is of utmost concern. This book is written for the designer and strength analyst, as well as for the material and process engineer who is concerned with the integrity of the structural hardware under load-varying environments in which fatigue and frac ture must be given special attention. The book is a result of years of both acade mic and industrial experiences that the principal author and co-authors have accumulated through their work with aircraft and aerospace structures.
Author : Richard M. Christensen
Publisher : Oxford University Press
Page : 297 pages
File Size : 49,5 Mb
Release : 2013-03-14
Category : Science
ISBN : 9780199662111
This book provides an overview of the failure of materials - everything from metals to brittle ceramics.
