Fatigue Assessment of Welded Joints by Local Approaches

  • Filename: fatigue-assessment-of-welded-joints-by-local-approaches.
  • ISBN: 9781845691882
  • Release Date: 2006-10-30
  • Number of pages: 660
  • Author: Dieter Radaj
  • Publisher: Woodhead Publishing



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

Atlas of Fatigue Curves

  • Filename: atlas-of-fatigue-curves.
  • ISBN: 0871702142
  • Release Date: 1985-12-31
  • Number of pages: 518
  • Author: Howard E. Boyer
  • Publisher: ASM International



Contains more than 500 fatigue curves for industrial ferrous and nonferrous alloys. Also includes an explanation of fatigue testing and interpretation of test results. Each curve is presented independently and includes an explanation of its particular importance.

IIW Recommendations for the Fatigue Assessment of Welded Structures By Notch Stress Analysis

  • Filename: iiw-recommendations-for-the-fatigue-assessment-of-welded-structures-by-notch-stress-analysis.
  • ISBN: 9780857098566
  • Release Date: 2012-10-22
  • Number of pages: 48
  • Author: W Fricke
  • Publisher: Woodhead Publishing



The notch stress approach for fatigue assessment of welded joints is based on the highest elastic stress at the weld toe or root. In order to avoid arbitrary or infinite stress results, a rounded shape with a reference radius instead of the actual sharp toe or root is usually assumed. IIW recommendations for the fatigue assessment of welded structures by notch stress analysis reviews different proposals for reference radii together with associated S-N curves. Detailed recommendations are given for the numerical analysis of notch stress by the finite or boundary element method. Several aspects are discussed, such as the structural weakening by keyhole-shaped notches and the consideration of multiaxial stress states. Appropriate S-N curves are presented for the assessment of the fatigue strength of different materials. Finally, four examples illustrate the application of the approach as well as the variety of structures which can be analysed and the range of results that can be obtained from different models. Provides detailed recommendations for the number analysis of notch stress by the finite or boundary element method Discusses structural weakening by keyhole-shaped notches and the consideration of multiaxial stress states Provides four comprehensive examples, illustrating the variety of structures which can be analysed and the range of results that can be obtained from different models

Fatigue and fracture in steel bridges

  • Filename: fatigue-and-fracture-in-steel-bridges.
  • ISBN: 047180469X
  • Release Date: 1984
  • Number of pages: 315
  • Author: John W. Fisher
  • Publisher: Wiley-Interscience



This book provides a detailed review and summary of twenty-two case studies of fracture and fatigue in bridge structures. Its two parts cover cracks formed as a result of low fatigue resistant details, and cracks resulting from unanticipated secondary or displacement induced stresses.

Metal Fatigue

  • Filename: metal-fatigue.
  • ISBN: 0486409279
  • Release Date: 1974
  • Number of pages: 499
  • Author: Norman Edward Frost
  • Publisher: Courier Corporation



Definitive, clearly written, and well-illustrated volume addresses all aspects of the subject, from the historical development of understanding metal fatigue to vital concepts of the cyclic stress that causes a crack to grow. Examines effect of stress concentrations on notches, theories of fatigue crack propagation, and many other topics. Seven appendixes describe laboratory fatigue testing, stress concentrations, material stress-strain relationships, and more. Invaluable text for students of engineering design and metallurgy.

Fatigue of Structures and Materials

  • Filename: fatigue-of-structures-and-materials.
  • ISBN: 1402068085
  • Release Date: 2008-12-16
  • Number of pages: 623
  • Author: J. Schijve
  • Publisher: Springer Science & Business Media



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.

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