Welding Deformation and Residual Stress Prevention

Welding Deformation and Residual Stress Prevention

Author: Ninshu Ma

Publisher: Butterworth-Heinemann

Published: 2022-07-27

Total Pages: 476

ISBN-13: 0323886507

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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


Book Synopsis Welding Deformation and Residual Stress Prevention by : Ninshu Ma

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

Welding Deformation and Residual Stress Prevention

Welding Deformation and Residual Stress Prevention

Author: Yukio Ueda

Publisher: Elsevier

Published: 2012-03-12

Total Pages: 313

ISBN-13: 0123948045

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Preface 1 Introduction to welding mechanics 2 Measurement and prediction of residual stresses by inherent strain method 3 Basic knowledge on simulation analysis for welding thermal process, stress and deformation 4. Basic Concept of Finite Element Method 5 Questions and Answers of attached FEM programs 6 Experience simulation using attached FEM programs 7 Simulation Analysis of welding stresses and deformation for manufacturing problems Appendix A Tables and figures of welding residual stresses in various welded joints Appendix B Temperature dependent material properties and samples for FEM simulation Appendix C Three dimensional mathematical equations for thermal elastic plastic creep phenomena.


Book Synopsis Welding Deformation and Residual Stress Prevention by : Yukio Ueda

Download or read book Welding Deformation and Residual Stress Prevention written by Yukio Ueda and published by Elsevier. This book was released on 2012-03-12 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preface 1 Introduction to welding mechanics 2 Measurement and prediction of residual stresses by inherent strain method 3 Basic knowledge on simulation analysis for welding thermal process, stress and deformation 4. Basic Concept of Finite Element Method 5 Questions and Answers of attached FEM programs 6 Experience simulation using attached FEM programs 7 Simulation Analysis of welding stresses and deformation for manufacturing problems Appendix A Tables and figures of welding residual stresses in various welded joints Appendix B Temperature dependent material properties and samples for FEM simulation Appendix C Three dimensional mathematical equations for thermal elastic plastic creep phenomena.

Processes and mechanisms of welding residual stress and distortion

Processes and mechanisms of welding residual stress and distortion

Author: Zhili Feng

Publisher: CRC Press

Published: 2005-11-01

Total Pages: 372

ISBN-13: 9780849334672

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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.


Book Synopsis Processes and mechanisms of welding residual stress and distortion by : Zhili Feng

Download or read book Processes and mechanisms of welding residual stress and distortion written by Zhili Feng and published by CRC Press. This book was released on 2005-11-01 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Minimization of Welding Distortion and Buckling

Minimization of Welding Distortion and Buckling

Author: Pan Michaleris

Publisher: Elsevier

Published: 2011-05-25

Total Pages: 319

ISBN-13: 0857092901

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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


Book Synopsis Minimization of Welding Distortion and Buckling by : Pan Michaleris

Download or read book Minimization of Welding Distortion and Buckling written by Pan Michaleris and published by Elsevier. This book was released on 2011-05-25 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Heat Effects of Welding

Heat Effects of Welding

Author: Dieter Radaj

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 367

ISBN-13: 3642486401

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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.


Book Synopsis Heat Effects of Welding by : Dieter Radaj

Download or read book Heat Effects of Welding written by Dieter Radaj and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments

Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments

Author: Paolo Ferro

Publisher: BoD – Books on Demand

Published: 2018-05-16

Total Pages: 164

ISBN-13: 178923106X

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The ability to quantify residual stresses induced by welding processes through experimentation or numerical simulation has become, today more than ever, of strategic importance in the context of their application to advanced design. This is an ongoing challenge that commenced many years ago. Recent design criteria endeavour to quantify the effect of residual stresses on fatigue strength of welded joints to allow a more efficient use of materials and a greater reliability of welded structures. The aim of the present book is contributing to these aspects of design through a collection of case-studies that illustrate both standard and advanced experimental and numerical methodologies used to assess the residual stress field in welded joints. The work is intended to be of assistance to designers, industrial engineers and academics who want to deepen their knowledge of this challenging topic.


Book Synopsis Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments by : Paolo Ferro

Download or read book Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments written by Paolo Ferro and published by BoD – Books on Demand. This book was released on 2018-05-16 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to quantify residual stresses induced by welding processes through experimentation or numerical simulation has become, today more than ever, of strategic importance in the context of their application to advanced design. This is an ongoing challenge that commenced many years ago. Recent design criteria endeavour to quantify the effect of residual stresses on fatigue strength of welded joints to allow a more efficient use of materials and a greater reliability of welded structures. The aim of the present book is contributing to these aspects of design through a collection of case-studies that illustrate both standard and advanced experimental and numerical methodologies used to assess the residual stress field in welded joints. The work is intended to be of assistance to designers, industrial engineers and academics who want to deepen their knowledge of this challenging topic.

Processes and Mechanisms of Welding Residual Stress and Distortion

Processes and Mechanisms of Welding Residual Stress and Distortion

Author: Z Feng

Publisher: Elsevier

Published: 2005-10-10

Total Pages: 363

ISBN-13: 1845690931

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Measurement techniques for characterisation of residual stress and distortion have improved significantly. More importantly the development and application of computational welding mechanics have been phenomenal. Through the collaboration of experts, this book provides a comprehensive treatment of the subject. It develops sufficient theoretical treatments on heat transfer, solid mechanics and materials behaviour that are essential for understanding and determining welding residual stress and distortion. It will outline the approach for computational analysis that engineers with sufficient background can follow and apply. The book is useful for advanced analysis of the subject and provide examples and practical solutions for welding engineers. A comprehensive summary of developments in this subject Includes case studies and practical solutions Compiled by a worldwide panel of experts


Book Synopsis Processes and Mechanisms of Welding Residual Stress and Distortion by : Z Feng

Download or read book Processes and Mechanisms of Welding Residual Stress and Distortion written by Z Feng and published by Elsevier. This book was released on 2005-10-10 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurement techniques for characterisation of residual stress and distortion have improved significantly. More importantly the development and application of computational welding mechanics have been phenomenal. Through the collaboration of experts, this book provides a comprehensive treatment of the subject. It develops sufficient theoretical treatments on heat transfer, solid mechanics and materials behaviour that are essential for understanding and determining welding residual stress and distortion. It will outline the approach for computational analysis that engineers with sufficient background can follow and apply. The book is useful for advanced analysis of the subject and provide examples and practical solutions for welding engineers. A comprehensive summary of developments in this subject Includes case studies and practical solutions Compiled by a worldwide panel of experts

Predictive Formulae for Weld Distortion

Predictive Formulae for Weld Distortion

Author: G Verhaeghe

Publisher: Woodhead Publishing

Published: 1999-09-21

Total Pages: 106

ISBN-13: 9781855734449

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&Quot;The quantification of the level of distortion that can be expected after welding has become crucial to meet the increasingly stringent accuracy requirements for the design of any type of fabricated component or structure. Many research workers have formulated weld distortion prediction models in order to reduce the extent of practical trials required to determine actual distortion. Because of the large number of prediction models available, some guidance is required on the selection of appropriate models for a particular welding application. For this reason, this review of published weld prediction formulae has been carried out within the Core Research Programme of TWI. Whilst reviews have been carried out in the past, this summary differs in that it covers four types of distortion - longitudinal shrinkage, bowing distortion, transverse shrinkage and angular distortion. It provides a critical assessment of each of the models; highlighting where background information exists, whether the model has been validated and possible limitations. Based on the information available for each of the models and on TWI's knowledge and experience, one or more models are recommended for each type of distortion."--BOOK JACKET.


Book Synopsis Predictive Formulae for Weld Distortion by : G Verhaeghe

Download or read book Predictive Formulae for Weld Distortion written by G Verhaeghe and published by Woodhead Publishing. This book was released on 1999-09-21 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: &Quot;The quantification of the level of distortion that can be expected after welding has become crucial to meet the increasingly stringent accuracy requirements for the design of any type of fabricated component or structure. Many research workers have formulated weld distortion prediction models in order to reduce the extent of practical trials required to determine actual distortion. Because of the large number of prediction models available, some guidance is required on the selection of appropriate models for a particular welding application. For this reason, this review of published weld prediction formulae has been carried out within the Core Research Programme of TWI. Whilst reviews have been carried out in the past, this summary differs in that it covers four types of distortion - longitudinal shrinkage, bowing distortion, transverse shrinkage and angular distortion. It provides a critical assessment of each of the models; highlighting where background information exists, whether the model has been validated and possible limitations. Based on the information available for each of the models and on TWI's knowledge and experience, one or more models are recommended for each type of distortion."--BOOK JACKET.

FE Computation on Accuracy Fabrication of Ship and Offshore Structure Based on Processing Mechanics

FE Computation on Accuracy Fabrication of Ship and Offshore Structure Based on Processing Mechanics

Author: Hong ZHOU

Publisher: Springer Nature

Published: 2021-08-12

Total Pages: 224

ISBN-13: 9811640874

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This book provides insight on processing mechanics during ship and offshore structure, and researchers, scientists, and engineers in the field of manufacturing process mechanics can benefit from the book. This book is written by subject experts based on the recent research results in FE computation on accuracy fabrication of ship and offshore structures based on processing mechanics. In order to deal with actual engineering problems during construction of ship and offshore structure, it proposes advanced computational approaches such as thermal elastic–plastic and elastic FE computations and employed to examine physical behavior and clarifies generation mechanism of mechanical response. As such, this book provides valuable knowledge, useful methods, and practical algorithms that can be considered in manufacturing process mechanics.


Book Synopsis FE Computation on Accuracy Fabrication of Ship and Offshore Structure Based on Processing Mechanics by : Hong ZHOU

Download or read book FE Computation on Accuracy Fabrication of Ship and Offshore Structure Based on Processing Mechanics written by Hong ZHOU and published by Springer Nature. This book was released on 2021-08-12 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides insight on processing mechanics during ship and offshore structure, and researchers, scientists, and engineers in the field of manufacturing process mechanics can benefit from the book. This book is written by subject experts based on the recent research results in FE computation on accuracy fabrication of ship and offshore structures based on processing mechanics. In order to deal with actual engineering problems during construction of ship and offshore structure, it proposes advanced computational approaches such as thermal elastic–plastic and elastic FE computations and employed to examine physical behavior and clarifies generation mechanism of mechanical response. As such, this book provides valuable knowledge, useful methods, and practical algorithms that can be considered in manufacturing process mechanics.

Proposed Investigation of Process for Reducing Residual Welding Stresses and Distortion by Vibration (Abstract Only)

Proposed Investigation of Process for Reducing Residual Welding Stresses and Distortion by Vibration (Abstract Only)

Author: J. Graham Wylde

Publisher:

Published: 1988

Total Pages: 1

ISBN-13:

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As a result of differential contractions that occur during cooling after welding, high tensile residual stresses are formed in welded joints. These residual stresses can constitute major problems both during fabrication and once a structure enters service. During fabrication they can cause large distortions that can be a major obstacle to assembly and, most significantly, to maintaining tolerances in components which must be finish machined. In addition, residual stresses can produce cracking in weldments often necessitating major networking. Once a structure enters service residual stresses increses the risk of fracture, can contribute to the propagation of fatigue cracks, and increase the risk of stress corrosion cracking in susceptible combinations of material and environment. Thus, the presence of residual stresses has been cited as a contributory in many major industrial failures.


Book Synopsis Proposed Investigation of Process for Reducing Residual Welding Stresses and Distortion by Vibration (Abstract Only) by : J. Graham Wylde

Download or read book Proposed Investigation of Process for Reducing Residual Welding Stresses and Distortion by Vibration (Abstract Only) written by J. Graham Wylde and published by . This book was released on 1988 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a result of differential contractions that occur during cooling after welding, high tensile residual stresses are formed in welded joints. These residual stresses can constitute major problems both during fabrication and once a structure enters service. During fabrication they can cause large distortions that can be a major obstacle to assembly and, most significantly, to maintaining tolerances in components which must be finish machined. In addition, residual stresses can produce cracking in weldments often necessitating major networking. Once a structure enters service residual stresses increses the risk of fracture, can contribute to the propagation of fatigue cracks, and increase the risk of stress corrosion cracking in susceptible combinations of material and environment. Thus, the presence of residual stresses has been cited as a contributory in many major industrial failures.