Fatigue Environmental Crack Propagation In A High Strength Steel
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| Author | : Dieter Radaj |
| Publisher | : Woodhead Publishing |
| Total Pages | : 661 |
| Release | : 2006-10-30 |
| Genre | : Technology & Engineering |
| ISBN | : 1845691881 |
Local approaches to fatigue assessment are used to predict the structural durability of welded joints, to optimise their design and to evaluate unforeseen joint failures. This standard work provides a systematic survey of the principles and practical applications of the various methods. It covers the hot spot structural stress approach to fatigue in general, the notch stress and notch strain approach to crack initiation and the fracture mechanics approach to crack propagation. Seam-welded and spot-welded joints in structural steels and aluminium alloys are also considered.This completely reworked second edition takes into account the tremendous progress in understanding and applying local approaches which has been achieved in the last decade. It is a standard reference for designers, structural analysts and testing engineers who are responsible for the fatigue-resistant in-service behaviour of welded structures. - Completely reworked second edition of a standard work providing a systematic survey of the principles and practical applications of the various methods - Covers the hot spot structural stress approach to fatigue in general, the notch stress and notch strain approach to crack initiation and the fracture mechanics approach to crack propagation. - Written by a distinguished team of authors
| Author | : C. M. Hudson |
| Publisher | : |
| Total Pages | : 28 |
| Release | : 1961 |
| Genre | : Aluminum alloys |
| ISBN | : |
A series of fatigue tests with specimens subjected to constant amplitude and two-step axial loads were conducted on 12-inch-wide sheet specimens of 2024-T3 and 7075-T6 aluminum alloy to study the effects of a change in stress level on fatigue-crack propagation. Comparison of the results of the tests in which the specimens were tested at first a high and then a low stress level with those of the constant-stress-amplitude tests indicated that crack propagation was generally delayed after the transition to the lower stress level. In the tests in which the specimens were tested at first a low and then a high stress level, crack propagation continued at the expected rate after the change in stress levels.
| Author | : Raghavan Srinivasan |
| Publisher | : Wiley-TMS |
| Total Pages | : 0 |
| Release | : 2013-04-15 |
| Genre | : Technology & Engineering |
| ISBN | : 9781118257623 |
Fatigue of Materials covers a broad spectrum of topics that represent the truly diverse nature of the subject that has grown to become a key area of scientific and applied research. Constituting an international forum for the materials industry, the book provides the perspectives of operators, engineers, and researchers regarding all aspects of current and emerging technologies for materials.
| Author | : Gareth Thomas |
| Publisher | : Elsevier |
| Total Pages | : 328 |
| Release | : 2003-12-05 |
| Genre | : Science |
| ISBN | : |
"--Authoritative and up-to-date articles from leading experts in the field. - Teaching effective use of advanced analysis and characterization methods for the design of materials. - Examples of materials in which the design concepts have been successfully applied. The nanostructural and microstructural design of materials for a set of targeted mechanical/functional properties is now a recognized field in materials science and engineering. The importance of the nanoscale effects has been recognized in materials research for over fifty years, but it is only recently that advanced characterization and fabrication methods are enabling scientists to build structures atom-by-atom or molecule-by molecule. The understanding and control of the nanostructure has been, to a large extent, made possible by new atomistic analysis and characterization methods pioneered by transmission electron microscopy. This approach is revolutionizing the investigation of materials. This volume focuses on the effective use of advanced analysis and characterization methods for the design of materials."--Publisher's description.
| Author | : C. Varandas |
| Publisher | : Elsevier |
| Total Pages | : 1057 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0444599754 |
The objective of these proceedings was to provide a platform for the exchange of information on the design, construction and operation of fusion experiments. The technology which is being developed for the next step devices and fusion reactors was also covered.
| Author | : |
| Publisher | : ASTM International |
| Total Pages | : 315 |
| Release | : 1972 |
| Genre | : Fatigue |
| ISBN | : |
| Author | : Naval Research Laboratory (U.S.) |
| Publisher | : |
| Total Pages | : 148 |
| Release | : 1970 |
| Genre | : Naval research |
| ISBN | : |
| Author | : Alexander Robert Troiano |
| Publisher | : ASM International |
| Total Pages | : 356 |
| Release | : 1984-01-01 |
| Genre | : Technology & Engineering |
| ISBN | : 9781615031788 |
| Author | : Ronald Krueger |
| Publisher | : |
| Total Pages | : 66 |
| Release | : 2002 |
| Genre | : |
| ISBN | : |
An overview of the virtual crack closure technique is presented. The approach used is discussed, the history summarized, and insight into its applications provided. Equations for two-dimensional quadrilateral elements with linear and quadratic shape functions are given. Formula for applying the technique in conjuction with three-dimensional solid elements as well as plate/shell elements are also provided. Necessary modifications for the use of the method with geometrically nonlinear finite element analysis and corrections required for elements at the crack tip with different lengths and widths are discussed. The problems associated with cracks or delaminations propagating between different materials are mentioned briefly, as well as a strategy to minimize these problems. Due to an increased interest in using a fracture mechanics based approach to assess the damage tolerance of composite structures in the design phase and during certification, the engineering problems selected as examples and given as references focus on the application of the technique to components made of composite materials.
| Author | : J. Schijve |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 627 |
| Release | : 2008-12-16 |
| Genre | : Science |
| ISBN | : 1402068085 |
Fatigue of structures and materials covers a wide scope of different topics. The purpose of the present book is to explain these topics, to indicate how they can be analyzed, and how this can contribute to the designing of fatigue resistant structures and to prevent structural fatigue problems in service. Chapter 1 gives a general survey of the topic with brief comments on the signi?cance of the aspects involved. This serves as a kind of a program for the following chapters. The central issues in this book are predictions of fatigue properties and designing against fatigue. These objectives cannot be realized without a physical and mechanical understanding of all relevant conditions. In Chapter 2 the book starts with basic concepts of what happens in the material of a structure under cyclic loads. It illustrates the large number of variables which can affect fatigue properties and it provides the essential background knowledge for subsequent chapters. Different subjects are presented in the following main parts: • Basic chapters on fatigue properties and predictions (Chapters 2–8) • Load spectra and fatigue under variable-amplitude loading (Chapters 9–11) • Fatigue tests and scatter (Chapters 12 and 13) • Special fatigue conditions (Chapters 14–17) • Fatigue of joints and structures (Chapters 18–20) • Fiber-metal laminates (Chapter 21) Each chapter presents a discussion of a speci?c subject.
