Fatigue Life Analyses Of Welded Structures

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Fatigue Life Analyses Of Welded Structures

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Author : Tom Lassen
language : en
Publisher: John Wiley & Sons
Release Date : 2013-03-01

Fatigue Life Analyses Of Welded Structures written by Tom Lassen 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 2013-03-01 with Technology & Engineering categories.

Avoiding or controlling fatigue damage is a major issue in the design and inspection of welded structures subjected to dynamic loading. Life predictions are usually used for safe life analysis, i.e. for verifying that it is very unlikely that fatigue damage will occur during the target service life of a structure. Damage tolerance analysis is used for predicting the behavior of a fatigue crack and for planning of in-service scheduled inspections. It should be a high probability that any cracks appearing are detected and repaired before they become critical. In both safe life analysis and the damage tolerance analysis there may be large uncertainties involved that have to be treated in a logical and consistent manner by stochastic modeling. This book focuses on fatigue life predictions and damage tolerance analysis of welded joints and is divided into three parts. The first part outlines the common practice used for safe life and damage tolerance analysis with reference to rules and regulations. The second part emphasises stochastic modeling and decision-making under uncertainty, while the final part is devoted to recent advances within fatigue research on welded joints. Industrial examples that are included are mainly dealing with offshore steel structures. Spreadsheets which accompany the book give the reader the possibility for hands-on experience of fatigue life predictions, crack growth analysis and inspection planning. As such, these different areas will be of use to engineers and researchers.

Stress Determination For Fatigue Analysis Of Welded Components

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Author : E. Niemi
language : en
Publisher: Woodhead Publishing
Release Date : 1995-04-30

Stress Determination For Fatigue Analysis Of Welded Components written by E. Niemi and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-04-30 with Technology & Engineering categories.

This report introduces definitions of the terminology relevant to stress determination for fatigue analysis of welded components. The various stress concentrations, stress categories and fatigue analysis methods are defined. Fatigue analysis methods considered are nominal stress, hot spot stress, notch stress, notch strain and fracture mechanics approaches. The report also contains comprehensive recommendations concerning the application of finite element methods and experimental methods for stress determination. It is intended for fatigue design of common welded structures, such as cranes, excavators, vehicle frames, bridges, ship hulls, offshore structures etc. fabricated from materials at least 3mm thick. In general, attention is focused on weld details which give rise to fatigue cracking from the surface, notably from the weld toe.

Structural Hot Spot Stress Approach To Fatigue Analysis Of Welded Components

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Author : Erkki Niemi
language : en
Publisher: Springer
Release Date : 2017-08-28

Structural Hot Spot Stress Approach To Fatigue Analysis Of Welded Components written by Erkki Niemi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-28 with Technology & Engineering categories.

This book provides background and guidance on the use of the structural hot-spot stress approach to fatigue analysis. The book also offers Design S-N curves for use with the structural hot-spot stress for a range of weld details, and presents parametric formulas for calculating stress increases due to misalignment and structural discontinuities. Highlighting the extension to structures fabricated from plates and non-tubular sections. The structural hot-spot stress approach focuses on cases of potential fatigue cracking from the weld toe and it has been in use for many years in tubular joints. Following an explanation of the structural hot-spot stress, its definition and its relevance to fatigue, the book describes methods for its determination. It considers stress determination from both finite element analysis and strain gauge measurements, and emphasizes the use of finite element stress analysis, providing guidance on the choice of element type and size for use with either solid or shell elements. Lastly, it illustrates the use of the recommendations in four case studies involving the fatigue assessment of welded structures using the structural hot-spot stress

Fatigue Strength Of Welded Structures

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Author : S J Maddox
language : en
Publisher: Woodhead Publishing
Release Date : 1991-01-15

Fatigue Strength Of Welded Structures written by S J Maddox and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-01-15 with Technology & Engineering categories.

This new edition encompasses the latest research and particularly the recent standards. The text will be of value to welding engineers and designers, medium to large companies and technical libraries.

Fatigue Life Analyses Of Welded Structures

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Author : Naman Recho
language : en
Publisher:
Release Date : 2005*

Fatigue Life Analyses Of Welded Structures written by Naman Recho and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005* with Welded joints categories.

Fatigue Of Welded Structures

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Author : Timothy Russell Gurney
language : en
Publisher: CUP Archive
Release Date : 1979-12-20

Fatigue Of Welded Structures written by Timothy Russell Gurney and has been published by CUP Archive this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979-12-20 with Technology & Engineering categories.

Fatigue Assessment Of Welded Joints By Local Approaches

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Author : Dieter Radaj
language : en
Publisher: Woodhead Publishing
Release Date : 2006-10-30

Fatigue Assessment Of Welded Joints By Local Approaches written by Dieter Radaj and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-10-30 with Technology & Engineering categories.

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.

Proceedings Of The 17th International Conference On New Trends In Fatigue And Fracture

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Author : Ricardo R. Ambriz
language : en
Publisher: Springer
Release Date : 2017-11-17

Proceedings Of The 17th International Conference On New Trends In Fatigue And Fracture written by Ricardo R. Ambriz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-17 with Technology & Engineering categories.

This book presents the proceedings of one of the major conferences in fatigue, fracture and structural integrity (NT2F). The papers are organized and divided in five different themes: fatigue and fracture mechanics of structures and advanced materials; fatigue and fracture in pressure vessels and pipelines: mechanical behavior and structural integrity of welded, bonded and bolted joints; residual stress and environmental effects on the fatigue behavior; and simulation methods, analytical and computation models in fatigue and fracture.

Iiw Recommendations On Methods For Improving The Fatigue Strength Of Welded Joints

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Author : P J Haagensen
language : en
Publisher: Woodhead Publishing
Release Date : 2013-01-25

Iiw Recommendations On Methods For Improving The Fatigue Strength Of Welded Joints written by P J Haagensen and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-25 with Technology & Engineering categories.

The weld toe is a primary source of fatigue cracking because of the severity of the stress concentration it produces. Weld toe improvement can increase the fatigue strength of new structures significantly. It can also be used to repair or upgrade existing structures. However, in practice there have been wide variations in the actual improvements in fatigue strength achieved. Based on an extensive testing programme organised by the IIW, this report reviews the main methods for weld toe improvement to increase fatigue strength: burr grinding, TIG dressing and hammer and needle peening. The report provides specifications for the practical use of each method, including equipment, weld preparation and operation. It also offers guidance on inspection, quality control and training as well as assessments of fatigue strength and thickness effects possible with each technique. IIW recommendations on methods for improving the fatigue strength of welded joints will allow a more consistent use of these methods and more predictable increases in fatigue strength. Provides specifications for the practical use of each weld toe method, including equipment, weld preparation and operation Offers guidance on inspection, quality control and training, as well as assessments of fatigue strength and thickness effects possible with each technique This report will allow a more consistent use of these methods and more predictable increases in fatigue strength