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Welding Deformation And Residual Stress Prevention

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Welding Deformation and Residual Stress Prevention

Welding Deformation and Residual Stress Prevention Book
Author : Yukio Ueda,Hidekazu Murakawa,Ninshu Ma
Publisher : Elsevier
Release : 2012-04-26
ISBN : 0123948207
Language : En, Es, Fr & De

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Book Description :

Generally, welding produces welding deformation and residual stress in the products, which influences the quality and performance of the products. Although many engineers and researchers have made great effort how to control these incidents, they have still remained unresolved. Welding Deformation and Residual Stress Prevention provides a unique computational approach to the prediction of the effects of deformation and residual stress on materials. The goal is to provide engineers and designers with the ability to create their own computational system for predicting and possibly avoiding the problem altogether. The basic theories including "theory of elastic-plastic analysis" and "inherent strain theory" , and analysis procedures are described using a simple three-bar model. Online simulation software to perform basic analysis on welding mechanics Examples of strategic methods and procedures are illustrated to have solved various welding-related problems encountered in the process of construction. Appendices present data bases for welding residual stresses, temperature dependent material properties, etc.

Welding Deformation and Residual Stress Prevention

Welding Deformation and Residual Stress Prevention Book
Author : Yukio Ueda,Hidekazu Murakawa,Ninshu Ma
Publisher : Butterworth-Heinemann
Release : 2022-01-15
ISBN : 9780323886659
Language : En, Es, Fr & De

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Book Description :

Welding often produces deformation and residual stress in the material being welded, influencing its final quality and performance. Although many engineers and researchers have taken great efforts to try and control these phenomena, they still often remain unresolved. Welding Deformation and Residual Stress Prevention, Second Edition, aims to buffer these efforts by providing 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, indentation technique, 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, 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

Processes and mechanisms of welding residual stress and distortion

Processes and mechanisms of welding residual stress and distortion Book
Author : Zhili Feng
Publisher : CRC Press
Release : 2005-11-01
ISBN : 9780849334672
Language : En, Es, Fr & De

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Book Description :

As a fabrication technology, welding presents a number of technical challenges to the designer, manufacturer, and end-user of the welded structures. Both weld residual stress and distortion can significantly impair the performance and reliability of the welded structures. They must be properly dealt with during design, fabrication, and in-service use of the welded structures. There have been many significant and exciting developments on the subject in the past ten to fifteen years. Measurement techniques have been improved significantly. More importantly, the development of computational welding mechanics methods has been phenomenal. The progresses in the last decade or so have not only greatly expanded our fundamental understanding of the processes and mechanisms of residual stress and distortion during welding, but also have provided powerful tools to quantitatively determine the detailed residual stress and distortion information for a given welded structure. New techniques for effective residual stress and distortion mitigations and controls have also been applied in different industry sectors. Processes and Mechanisms of Welding Residual Stress and Distortion provides a comprehensive summary on the developments in the subject. It outlines theoretical treatments on heat transfer, solid mechanics and materials behavior that are essential for understanding and determining the welding residual stress and distortion. The approaches for computational methods and analysis methodology are described so that non specialists can follow them. There are chapters devoted to the discussion of various techniques for control and mitigation of residual stress and distortion, and residual stress and distortion results for various typical welded structures are provided. The second half of the book looks at case studies and practical solutions and provides insights into the techniques, challenges, limitations and future trends of each application. This book will not only be useful for advanced analysis of the subject, but also provide sufficient examples and practical solutions for welding engineers. With a panel of leading experts this authoritative book will be a valuable resource for welding engineers and designers as well as academics working in the fields of structural and mechanical engineering.

Characterising the Effects of High pressure Rolling on Residual Stress in Structural Steel Welds

Characterising the Effects of High pressure Rolling on Residual Stress in Structural Steel Welds Book
Author : Harry E. Coules
Publisher : Unknown
Release : 2012
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The large residual stresses which occur in welded objects are an unavoidable consequence of the non-uniform cycle of thermal strain inherent in most welding processes. Furthermore, the particular distributions of residual stress which are characteristic of welding can adversely influence several material and structural failure mechanisms, including fatigue fracture, elastic fracture and buckling. This thesis describes an experimental investigation into the use of localised high-pressure rolling of the weld seam for the purpose of residual stress reduction in steel welds. In preliminary experiments, it is demonstrated that the transient stresses which occur in an object while part of it is welded or rolled, can be inferred from strain measurements taken during the process. Furthermore, such measurements can be used to estimate the resulting residual stresses. Good agreement is observed between residual stress distributions found using this method and determined using neutron diffraction. The effect of rolling on residual stress in structural steel welds is then investigated using both of these measurement techniques. Rolling is shown to greatly reduce tensile residual stress at the weld seam, even introducing compressive stress when a greater rolling force is used. However, this is only the case when rolling is applied post-weld: by contrast, methods involving rolling prior to or during welding do not improve the residual stress distribution. It is proposed, on the basis of transient stress measurements, that this is because the deformation which occurs in a weld during cooling greatly exceeds its yield strain, and so any effect of high-temperature deformation on residual stress is subsequently erased. Other effects of rolling on the properties of a weld have also been studied. Using mechanical tests and microstructural analysis it is shown that while post-weld rolling causes work-hardening of structural steel welds, rolling the weld at high temperature results in refinement of the weld microstructure, also hardening it. The effect of roller geometry on residual stress and fatigue life of rolled specimens has been investigated: the induced residual stress distribution is relatively insensitive to the roller's crosssectional profile, while the fatigue life is shown to be reduced by post-weld rolling. The implications of these findings for the practical implementation of weld rolling, along with many other applied aspects of the process are discussed. While rolling is undoubtedly a useful and highly effective tool for residual stress mitigation in welds, its secondary effects should always be carefully considered.

Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials II

Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials II Book
Author : Tatsuki Ohji,Mrityunjay Singh,Michael Halbig,Soshu Kirihara,Jingyang Wang
Publisher : John Wiley & Sons
Release : 2016-01-05
ISBN : 1119211654
Language : En, Es, Fr & De

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Book Description :

Over 170 contributions (invited talks, oral presentations, and posters) were presented by participants from universities, research institutions, and industry, which offered interdisciplinary discussions indicating strong scientific and technological interest in the field of nanostructured systems. This issue contains 23 peer-reviewed papers that cover various aspects and the latest developments related to nanoscaled materials and functional ceramics.

Trends in Welding Research 2012 Proceedings of the 9th International Conference

Trends in Welding Research 2012  Proceedings of the 9th International Conference Book
Author : Tarasankar DebRoy, Stan A. David, John N. DuPont, Toshihiko Koseki, Harry K. Bhadeshia
Publisher : ASM International
Release : 2013-03-01
ISBN : 1627089985
Language : En, Es, Fr & De

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Book Description :

The Trends conference attracts the world's leading welding researchers. Topics covered in this volume include friction stir welding, sensing, control and automation, microstructure and properties, welding processes, procedures and consumables, weldability, modeling, phase transformations, residual stress and distortion, physical processes in welding, and properties and structural integrity of weldments.

Maritime Technology and Engineering

Maritime Technology and Engineering Book
Author : Carlos Guedes Soares,T.A. Santos
Publisher : CRC Press
Release : 2014-09-30
ISBN : 1315731592
Language : En, Es, Fr & De

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Book Description :

Maritime Technology and Engineering includes the papers presented at the 2nd International Conference on Maritime Technology and Engineering (MARTECH 2014, Lisbon, Portugal, 15-17 October 2014). The contributions reflect the internationalization of the maritime sector, and cover a wide range of topics: Ports; Maritime transportation; Inland navigat

Advances in Fracture and Failure Prevention

Advances in Fracture and Failure Prevention Book
Author : Kikuo Kishimoto,Masanori Kikuchi,Tetsuo Shoji,Masumi Saka
Publisher : Trans Tech Publications Ltd
Release : 2004-04-15
ISBN : 3035706247
Language : En, Es, Fr & De

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Book Description :

Volume is indexed by Thomson Reuters CPCI-S (WoS). The Far East and Oceanic Fracture Society (FEOFS) and the Center for Physics and Chemistry of Fracture and Failure Prevention (PCFP) jointly organized a pair of conferences, FEOFS 2003 and 2nd ICPCF, on October 20-22 at Tohoku University, Sendai, Japan.

Materials Engineering and Environmental Science

Materials Engineering and Environmental Science Book
Author : Qingzhou Xu
Publisher : World Scientific
Release : 2016
ISBN : 9814759988
Language : En, Es, Fr & De

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Book Description :

Download Materials Engineering and Environmental Science book written by Qingzhou Xu, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

A Practical Guide to Welding Solutions

A Practical Guide to Welding Solutions Book
Author : Robert W. Messler, Jr.
Publisher : Wiley-VCH
Release : 2019-05-07
ISBN : 3527345434
Language : En, Es, Fr & De

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Book Description :

As critically important as welding is to a wide spectrum of manufacturing, construction, and repair, it is not without its problems. Those dependent on welding know only too well how easy it is to find information on the host of available processes and on the essential metallurgy that can enable success, but how frustratingly difficult it can be to find guidance on solving problems that sooner or later arise with welding, welds, or weldments. Here for the first time is the book those that practice and/or depend upon welding have needed and awaited. A Practical Guide to Welding Solutions addresses the numerous technical and material-specific issues that can interfere with success. Renowned industrial and academic welding expert and prolific author and speaker Robert W. Messler, Jr. guides readers to the solutions they seek with a well-organized search based on how a problem manifests itself (i.e., as distortion, defect, or appearance), where it appears (i.e., in the fusion zone, heat-affected zone, or base metal), or in which materials or situations. True to form, Dr. Messler makes readers feel he is speaking directly to them with his clear conversational but unambiguous writing style. Figures, tables and footnotes complement and augment the text suited to welding neophytes and veterans alike.

Heat Effects of Welding

Heat Effects of Welding Book
Author : Dieter Radaj
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 3642486401
Language : En, Es, Fr & De

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Book Description :

Almost all welding technology depends upon the use of concentrated energy sources to fuse or soften the material locally at the joint, before such energy can be diffused or dispersed elsewhere. Although comprehensive treatments of transient heat flow as a controlling influence have been developed progressively and published over the past forty years, the task of uniting the results compactly within a textbook has become increasingly formidable. With the comparative scarcity of such works, welding engineers have been denied the full use of powerful design analysis tools. During the past decade Dr Radaj has prepared to fulfil this need, working from a rich experience as pioneer researcher and teacher, co-operator with Professor Argyris at Stuttgart University in developing the finite element method for stress analysis of aircraft and power plant structures, and more recently as expert consultant on these and automotive structures at Daimler Benz. His book appeared in 1988 in the German language, and this updated English language edition will significantly increase the availability of the work.

Characterization of Metals and Alloys

Characterization of Metals and Alloys Book
Author : Ramiro Pérez Campos,Antonio Contreras Cuevas,Rodrigo A. Esparza Muñoz
Publisher : Springer
Release : 2016-10-24
ISBN : 331931694X
Language : En, Es, Fr & De

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Book Description :

This book covers various aspects of characterization of materials in the areas of metals, alloys, steels, welding, nanomaterials, intermetallic, and surface coatings. These materials are obtained by different methods and techniques like spray, mechanical milling, sol-gel, casting, biosynthesis, and chemical reduction among others. Some of these materials are classified according to application such as materials for medical application, materials for industrial applications, materials used in the oil industry and materials used like coatings. The authors provide a comprehensive overview of structural characterization techniques including scanning electron microscopy (SEM), X-ray diffraction (XRD), transmission electron microscopy (TEM), Raman spectroscopy, image analysis, finite element method (FEM), optical microscopy (OM), energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), differential thermal analysis (DTA), differential scanning calorimetry (DSC), ultraviolet–visible spectroscopy (UV-Vis), infrared photo-thermal radiometry (IPTR), electrochemical impedance spectroscopy (EIS), thermogravimetry analysis (TGA), thermo luminescence (TL), photoluminescence (PL), high resolution transmission electron microscopy (HRTEM), and radio frequency (RF). The book includes theoretical models and illustrations of characterization properties—both structural and chemical.

Analysis and Design of Marine Structures V

Analysis and Design of Marine Structures V Book
Author : C. Guedes Soares,R.A. Shenoi
Publisher : CRC Press
Release : 2015-03-11
ISBN : 1315685051
Language : En, Es, Fr & De

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Book Description :

Analysis and Design of Marine Structures V contains the papers presented at MARSTRUCT 2015, the 5th International Conference on Marine Structures (Southampton, UK, 25-27 March 2015). The MARSTRUCT series of conferences started in Glasgow, UK in 2007, the second event of the series took place in Lisbon, Portugal (2009), while the third was in Hambur

Progress in Metal Additive Manufacturing and Metallurgy

Progress in Metal Additive Manufacturing and Metallurgy Book
Author : Robert Pederson
Publisher : MDPI
Release : 2020-12-03
ISBN : 3039436635
Language : En, Es, Fr & De

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Book Description :

The advent of additive manufacturing (AM) processes applied to the fabrication of structural components creates the need for design methodologies supporting structural optimization approaches that take into account the specific characteristics of the process. While AM processes enable unprecedented geometrical design freedom, which can result in significant reductions of component weight, on the other hand they have implications in the fatigue and fracture strength due to residual stresses and microstructural features. This is linked to stress concentration effects and anisotropy that still warrant further research. This Special Issue of Applied Sciences brings together papers investigating the features of AM processes relevant to the mechanical behavior of AM structural components, particularly, but not exclusively, from the viewpoints of fatigue and fracture behavior. Although the focus of the issue is on AM problems related to fatigue and fracture, articles dealing with other manufacturing processes with related problems are also be included.

Proceedings of the 1st International Joint Symposium on Joining and Welding

Proceedings of the 1st International Joint Symposium on Joining and Welding Book
Author : H. Fujii
Publisher : Woodhead Publishing
Release : 2014-08-27
ISBN : 1782421645
Language : En, Es, Fr & De

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Book Description :

This book contains the papers from the Proceedings of the 1st international joint symposium on joining and welding held at Osaka University, Japan, 6-8 November 2013. The use of frictional heating to process and join materials has been used for many decades. Rotary and linear friction welding are vital techniques for many industrial sectors. More recently the development of friction stir welding (FSW) has significantly extended the application of friction processing. This conference is the first event organized by the three major institutes for joining and welding to focus on the broad range of friction processes. This symposium will provide the latest valuable information from academic and industrial experts from around the world on FSW, FSP, linear and rotary friction welding.

Minimization of Welding Distortion and Buckling

Minimization of Welding Distortion and Buckling Book
Author : Pan Michaleris
Publisher : Elsevier
Release : 2011-05-25
ISBN : 0857092901
Language : En, Es, Fr & De

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Book Description :

Welding is a cost-effective and flexible method of fabricating large structures, but drawbacks such as residual stress, distortion and buckling must be overcome in order to optimize structural performance. Minimization of welding distortion and buckling provides a systematic overview of the methods of minimizing distortion and buckling in welded structures. Following an introductory chapter, part one focuses on understanding welding stress and distortion, with chapters on such topics as computational welding mechanics, modelling the effect of phase transformations on welding stress and distortion and using computationally efficient reduced-solution methods to understand welding distortion. Part two covers different methods of minimizing welding distortion. Chapters discuss methods such as differential heating for minimizing distortion in welded stiffeners, dynamic thermal tensioning, reverse-side heating and ways of minimizing buckling such as weld cooling and hybrid laser arc welding. With its distinguished editor and international team of contributors, Minimization of welding distortion and buckling is an essential reference for all welders and engineers involved in fabrication of metal end-products, as well as those in industry and academia with a research interest in the area. Provides a systematic overview of the methods of minimizing distortion and buckling in welded structures Focuses on understanding welding stress and distortion featuring computational welding mechanics and modelling the effect of phase transformations Explores different methods of minimizing welding distortion discussing differential heating and dynamic thermal tensioning

Transactions on Intelligent Welding Manufacturing

Transactions on Intelligent Welding Manufacturing Book
Author : Shanben Chen,Yuming Zhang,Zhili Feng
Publisher : Springer
Release : 2017-12-01
ISBN : 9811070431
Language : En, Es, Fr & De

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Book Description :

The primary aim of this volume is to provide researchers and engineers from both academia and industry with up-to-date coverage of recent advances in the fields of robotic welding, intelligent systems and automation. It gathers selected papers from the 2017 International Workshop on Intelligentized Welding Manufacturing (IWIWM’2017), held June 23-26, 2017 in Shanghai, China. The contributions reveal how intelligentized welding manufacturing (IWM) is becoming an inescapable trend, just as intelligentized robotic welding is becoming a key technology. The volume is divided into four main parts: Intelligent Techniques for Robotic Welding, Sensing in Arc Welding Processing, Modeling and Intelligent Control of Welding Processing, and Intelligent Control and its Applications in Engineering.

Principles of Welding

Principles of Welding Book
Author : Robert W. Messler, Jr.
Publisher : John Wiley & Sons
Release : 2008-09-26
ISBN : 3527617493
Language : En, Es, Fr & De

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Book Description :

An advanced yet accessible treatment of the welding process and its underlying science. Despite the critically important role welding plays in nearly every type of human endeavor, most books on this process either focus on basic technical issues and leave the science out, or vice versa. In Principles of Welding, industry expert and prolific technical speaker Robert W. Messler, Jr. takes an integrated approach--presenting a comprehensive, self-contained treatment of the welding process along with the underlying physics, chemistry, and metallurgy of weld formation. Promising to become the standard text and reference in the field, this book provides an unprecedented broad coverage of the underlying physics and the mechanics of solidification--including peritectic and eutectic reactions--and emphasizes material continuity and bonding as a way to create a joint between materials of the same general class. The author supplements the book with hundreds of tables and illustrations, and correlates the science to welding practices in the real world. Principles of Welding departs from existing books with its clear, unambiguous presentation, which is easily grasped even by undergraduate students, yet given at the advanced level required by experienced engineers.

Practical Design of Ships and Other Floating Structures

Practical Design of Ships and Other Floating Structures Book
Author : Tetsuo Okada,Katsuyuki Suzuki,Yasumi Kawamura
Publisher : Springer Nature
Release : 2020-10-03
ISBN : 9811546800
Language : En, Es, Fr & De

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Book Description :

This book gathers the peer-reviewed proceedings of the 14th International Symposium, PRADS 2019, held in Yokohama, Japan, in September 2019. It brings together naval architects, engineers, academic researchers and professionals who are involved in ships and other floating structures to share the latest research advances in the field. The contents cover a broad range of topics, including design synthesis for ships and floating systems, production, hydrodynamics, and structures and materials. Reflecting the latest advances, the book will be of interest to researchers and practitioners alike.