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Author : Maher Younan Ayoub Younan
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (235 download)
Download or read book Fracture Mechanics of Weldments Using Finite Element Analysis written by Maher Younan Ayoub Younan and published by . This book was released on 1975 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Uwe Zerbst
Publisher : Springer
ISBN 13 : 3030040739
Total Pages : 157 pages
Book Rating : 4.0/5 (3 download)
Download or read book Fatigue and Fracture of Weldments written by Uwe Zerbst and published by Springer. This book was released on 2018-12-11 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive and thorough guide to those readers who are lost in the often-confusing context of weld fatigue. It presents straightforward information on the fracture mechanics and material background of weld fatigue, starting with fatigue crack initiation and short cracks, before moving on to long cracks, crack closure, crack growth and threshold, residual stress, stress concentration, the stress intensity factor, J-integral, multiple cracks, weld geometries and defects, microstructural parameters including HAZ, and cyclic stress-strain behavior. The book treats all of these essential and mutually interacting parameters using a unique form of analysis.
Author : Dieter Radaj
Publisher : Woodhead Publishing
ISBN 13 : 9781855730045
Total Pages : 386 pages
Book Rating : 4.7/5 (3 download)
Download or read book Design and Analysis of Fatigue Resistant Welded Structures written by Dieter Radaj and published by Woodhead Publishing. This book was released on 1990-01-03 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: An English version of a sucessful German book. Both traditional and modern concepts are described.
Author : Bahram Farahmand
Publisher : Springer Science & Business Media
ISBN 13 : 1461515858
Total Pages : 425 pages
Book Rating : 4.4/5 (615 download)
Download or read book Fracture Mechanics of Metals, Composites, Welds, and Bolted Joints written by Bahram Farahmand and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the preliminary stage of designing new structural hardware to perform a given mission in a fluctuating load environment, there are several factors that the designer 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 withstand the environment in question without failure. Therefore, a comprehensive structural analysis that consists of static, dynamic, fatigue, and fracture is necessary to ensure the integrity of the structure. Engineers must also consider the feasibility of fabricating the structural hardware in the material selection process. During the past few decades, fracture mechanics has become a necessary discipline for the solution of many structural problems in which the survivability of structure containing pre-existing flaws is of great interest. These problems include structural failures resulting from cracks that are inherent in the material, or defects that are introduced in the part due to improper handling or rough machining, that must be assessed through fracture mechanics concepts.
Author : E. Niemi
Publisher : Woodhead Publishing
ISBN 13 : 9781855732131
Total Pages : 80 pages
Book Rating : 4.7/5 (321 download)
Download or read book Stress Determination for Fatigue Analysis of Welded Components written by E. Niemi and published by Woodhead Publishing. This book was released on 1995-04-30 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Dieter Radaj
Publisher : Woodhead Publishing
ISBN 13 : 1845691881
Total Pages : 661 pages
Book Rating : 4.8/5 (456 download)
Download or read book Fatigue Assessment of Welded Joints by Local Approaches written by Dieter Radaj and published by Woodhead Publishing. This book was released on 2006-10-30 with total page 661 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Twi
Publisher : Woodhead Publishing
ISBN 13 : 9781855735217
Total Pages : 226 pages
Book Rating : 4.7/5 (352 download)
Download or read book Fracture written by Twi and published by Woodhead Publishing. This book was released on 2000-02 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research reports originally prepared by TWI for their Industrial Members.
Author : Ninshu Ma
Publisher : Butterworth-Heinemann
ISBN 13 : 0323886507
Total Pages : 476 pages
Book Rating : 4.3/5 (238 download)
Download or read book Welding Deformation and Residual Stress Prevention written by Ninshu Ma and published by Butterworth-Heinemann. This book was released on 2022-07-27 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Welding Deformation and Residual Stress Prevention, Second Edition provides readers with both fundamental theoretical knowledge about welding deformation and stress as well as unique computational approaches for predicting and mitigating the effects of deformation and residual stress on materials. This second edition has been updated to include new techniques and applications, outlining advanced finite element methods such as implicit scheme, explicit scheme, and hybrid scheme, and coupling analysis among thermal-metallurgy-mechanics. Non-destructive measurement methods for residual stresses are introduced, such as X-ray diffraction, the indentation technique, the neutron diffraction method, and various synchrotron X-ray diffraction techniques. Destructive measurement techniques are covered as well, such as block cutting for releasing residual stress, blind hole drilling, deep hole drilling, the slit cutting method, sectional contour method, and general inherent strain method. Various industrial applications of the material behavior and computational approaches are featured throughout. Focuses on the underlying theory, practical implementation, analysis and application of measurement techniques for welding deformation and residual stress Includes strategies for mitigation and control of deformation and stress Discusses cutting-edge computational methods for determining welding heat source, thermal process, phase transformation, welding thermal deformation, thermal stress, and residual states Outlines both non-destructive and destructive techniques for measuring residual stress Includes access to a companion site with code, simulation videos and other materials
Author : Guy Pluvinage
Publisher : Springer
ISBN 13 : 3319326341
Total Pages : 270 pages
Book Rating : 4.3/5 (193 download)
Download or read book Fracture at all Scales written by Guy Pluvinage and published by Springer. This book was released on 2016-09-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a compilation of selected papers from the 2014 New Trends in Fatigue and Fracture (NT2F14) Conference, which was held in Belgrade, Serbia. This prestigious conference brought together delegates from around the globe to discuss how to characterize, predict and analyze the fatigue and fracture of engineering materials, components, and structures using theoretical, experimental, numerical and practical approaches. It highlights some important new trends in fracture mechanics presented at the conference, such as: • two-parameter fracture mechanics, arising from the coupling of fracture toughness and stress constraints • high-performance steel for gas and oil transportation and production (pressure vessels and boilers) • safety and reliability of welded joints This book includes 12 contributions from well-known international scientists and a special tribute dedicated to the scientific contributions of Stojan Sedmark, who passed away in 2014.
Author : E. Niemi
Publisher : Woodhead Publishing
ISBN 13 : 1845696662
Total Pages : 56 pages
Book Rating : 4.8/5 (456 download)
Download or read book Fatigue Analysis of Welded Components written by E. Niemi and published by Woodhead Publishing. This book was released on 2006-09-27 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides background and guidance on the use of the structural hot spot stress approach to the fatigue design of welded components and structures. It complements the IIW recommendations for 'Fatigue Design of Welded Joints and Components' and extends the information provided in the IIW recommendations on 'Stress Determination for Fatigue Analysis of Welded Components'. This approach is applicable to cases of potential fatigue cracking from the weld toe. It has been in use for many years in the context of tubular joints. The present report concentrates on its extension to structures fabricated from plates and non-tubular sections.Following an explanation of the structural hot spot stress, its definition and its relevance to fatigue, the authors describe methods for its determination. Stress determination from both finite element analysis and strain gauge measurements is considered. Parametric formulae for calculating stress increases due to misalignment and structural discontinuities are also presented. Special attention is paid to the use of finite element stress analysis and guidance is given on the choice of element type and size for use with either solid or shell elements. Design S-N curves for use with the structural hot spot stress are presented for a range of weld details. Finally, practical application of the recommendations is illustrated in two case studies involving the fatigue assessment of welded structures using the structural hot spot stress approach. - Provides practical guidance on the application of the structural hot-spot stress approach - Discusses stress determination from both finite element analysis and strain gauge measurements - Practical application of the recommendations is illustrated in two case studies
Author : Raouf A. Ibrahim
Publisher : John Wiley & Sons
ISBN 13 : 1119135494
Total Pages : 1016 pages
Book Rating : 4.1/5 (191 download)
Download or read book Handbook of Structural Life Assessment written by Raouf A. Ibrahim and published by John Wiley & Sons. This book was released on 2017-03-29 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important, self-contained reference deals with structural life assessment (SLA) and structural health monitoring (SHM) in a combined form. SLA periodically evaluates the state and condition of a structural system and provides recommendations for possible maintenance actions or the end of structural service life. It is a diversified field and relies on the theories of fracture mechanics, fatigue damage process, and reliability theory. For common structures, their life assessment is not only governed by the theory of fracture mechanics and fatigue damage process, but by other factors such as corrosion, grounding, and sudden collision. On the other hand, SHM deals with the detection, prediction, and location of crack development online. Both SLA and SHM are combined in a unified and coherent treatment.
Author : Erkki Niemi
Publisher : Springer
ISBN 13 : 9811055688
Total Pages : 85 pages
Book Rating : 4.8/5 (11 download)
Download or read book Structural Hot-Spot Stress Approach to Fatigue Analysis of Welded Components written by Erkki Niemi and published by Springer. This book was released on 2017-08-28 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Download or read book The Safety Analysis Concept of Welded Components Under Cyclic Loads Using Fracture Mechanics Method written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fracture Mechanics process of Welded Joint is a very vast research area and has many possibilities for solution and prediction. Although the fatigue strength (FAT) and stress intensity factor (SIF) solutions are reported in several handbooks and recommendations, these values are available only for a small number of specimens, components, loading and welding geometries. The available solutions are not always adequate for particular engineering applications. Moreover, the reliable solutions of SIF are still difficult to find in spite of several SIF handbooks have been published regarding the nominal applied SIF. The effect of residual stresses is still the most challenge in fatigue life estimation. The reason is that the stress distributions and SIF modified by the residual stresses have to be estimated. The stress distribution is governed by many parameters such as the materials type, joint geometry and welding processes. In this work, the linear elastic fracture mechanics (LEFM), which used crack tip SIFs for cases involving the effect of weld geometry, is used to calculate the crack growth life for some different notch cases. The variety of crack configurations and the complexity of stress fields occurring in engineering components require more versatile tools for calculating SIFs than available in handbook's solutions that were obtained for a range of specific geometries and load combinations. Therefore, the finite element method (FEM) has been used to calculate SIFs of cracks subjected to stress fields. LEFM is encoded in the FEM software, FRANC, which stands for fracture analysis code. The SIFs due to residual stress are calculated in this work using the weight function method. The fatigue strength (FAT) of load-carrying and non-load carrying welded joints with lack of penetration (LOP) and toe crack, respectively, are determined using the LEFM. In some studied cases, the geometry, material properties and loading conditions of the joints are identical to those o.
Author : Yu-Ching Hou
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fatigue and Fracture Analyses of Automotive and Welded Structures written by Yu-Ching Hou and published by . This book was released on 1997 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John H. Underwood
Publisher : ASTM International
ISBN 13 : 0803124104
Total Pages : 697 pages
Book Rating : 4.8/5 (31 download)
Download or read book Fatigue and Fracture Mechanics written by John H. Underwood and published by ASTM International. This book was released on 1997 with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Graham Dawes
Publisher : Woodhead Publishing
ISBN 13 : 9781855731226
Total Pages : 350 pages
Book Rating : 4.7/5 (312 download)
Download or read book Shallow Crack Fracture Mechanics Toughness Tests and Applications written by Michael Graham Dawes and published by Woodhead Publishing. This book was released on 1992-01-15 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Within the last decade there has been an increasing awareness that use of standards deeply notched fracture mechanics test specimens can result in substantial over-or-under-assessments of the real fracture toughness associated with shallow surface cracks.
Author : Dieter Radaj
Publisher : Woodhead Publishing
ISBN 13 : 9781855734036
Total Pages : 476 pages
Book Rating : 4.7/5 (34 download)
Download or read book Fatigue Assessment of Welded Joints by Local Approaches written by Dieter Radaj and published by Woodhead Publishing. This book was released on 1998 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
