Residual Stress Analysis On Welded Joints By Means Of Numerical Simulation And Experiments PDF Download
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| Author | : Paolo Ferro |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 164 |
| Release | : 2018-05-16 |
| Genre | : Technology & Engineering |
| ISBN | : 178923106X |
Download Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments Book in PDF, ePub and Kindle
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.
| Author | : Filippo Berto |
| Publisher | : |
| Total Pages | : 162 |
| Release | : 2018 |
| Genre | : Manufactures |
| ISBN | : 9781789231076 |
Download Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments Book in PDF, ePub and Kindle
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.
| Author | : Nilesh Kulkarni |
| Publisher | : Butterworth-Heinemann |
| Total Pages | : 59 |
| Release | : 2013-11-20 |
| Genre | : Technology & Engineering |
| ISBN | : 012800732X |
Download Residual Stresses in Friction Stir Welding Book in PDF, ePub and Kindle
This book describes the fundamentals of residual stresses in friction stir welding and reviews the data reported for various materials. Residual stresses produced during manufacturing processes lead to distortion of structures. It is critical to understand and mitigate residual stresses. From the onset of friction stir welding, claims have been made about the lower magnitude of residual stresses. The lower residual stresses are partly due to lower peak temperature and shorter time at temperature during friction stir welding. A review of residual stresses that result from the friction stir process and strategies to mitigate it have been presented. Friction stir welding can be combined with additional in-situ and ex-situ manufacturing steps to lower the final residual stresses. Modeling of residual stresses highlights the relationship between clamping constraint and development of distortion. For many applications, management of residual stresses can be critical for qualification of component/structure. Reviews magnitude of residual stresses in various metals and alloys Discusses mitigation strategies for residual stresses during friction stir welding Covers fundamental origin of residual stresses and distortion
| Author | : Lanqing Tang |
| Publisher | : |
| Total Pages | : |
| Release | : 2018 |
| Genre | : Technology |
| ISBN | : |
Download Numerical Simulation of Residual Stresses in Welding and Ultrasonic Impact Treatment Process Book in PDF, ePub and Kindle
Welding technology is considered as a reliable and efficient joining method, which has been widely used in almost all the industry departments. Detrimental factors induced by welding such as micro-cracks/flaws, tensile residual stresses, high stress concentration may degrade the mechanical and fatigue properties of weld joints. Ultrasonic impact treatment (UIT) is considered one of the most efficient post-weld treatment which could improve the fatigue performance of weld joints. In this study, the effect of the UIT on residual stress distribution of 304L weld joints was particularly investigated. FE analysis simulation and the XRD experiment were performed to predict and measure residual stresses of both as-welded and the UIT-treated joints. Compared results show that simulated stresses are in good agreement with the experimental results along various paths, confirming the validity of welding model. The UIT introduces a compressive residual stress layer with depth between 2 and 3 mm near the impacting surface of weld joint.
| Author | : John A. Goldak |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 326 |
| Release | : 2006-07-04 |
| Genre | : Technology & Engineering |
| ISBN | : 0387232885 |
Download Computational Welding Mechanics Book in PDF, ePub and Kindle
Computational Welding Mechanics (CWM) provides readers with a complete introduction to the principles and applications of computational welding including coverage of the methods engineers and designers are using in computational welding mechanics to predict distortion and residual stress in welded structures, thereby creating safer, more reliable and lower cost structures. Drawing upon years of practical experience and the study of computational welding mechanics the authors instruct the reader how to: - understand and interpret computer simulation and virtual welding techniques including an in depth analysis of heat flow during welding, microstructure evolution and distortion analysis and fracture of welded structures, - relate CWM to the processes of design, build, inspect, regulate, operate and maintain welded structures, - apply computational welding mechanics to industries such as ship building, natural gas and automobile manufacturing. Ideally suited for practicing engineers and engineering students, Computational Welding Mechanics is a must-have book for understanding welded structures and recent technological advances in welding, and it provides a unified summary of recent research results contributed by other researchers.
| Author | : Bishnu Pal |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 694 |
| Release | : 2010-02-01 |
| Genre | : Technology & Engineering |
| ISBN | : 9537619826 |
Download Frontiers in Guided Wave Optics and Optoelectronics Book in PDF, ePub and Kindle
As the editor, I feel extremely happy to present to the readers such a rich collection of chapters authored/co-authored by a large number of experts from around the world covering the broad field of guided wave optics and optoelectronics. Most of the chapters are state-of-the-art on respective topics or areas that are emerging. Several authors narrated technological challenges in a lucid manner, which was possible because of individual expertise of the authors in their own subject specialties. I have no doubt that this book will be useful to graduate students, teachers, researchers, and practicing engineers and technologists and that they would love to have it on their book shelves for ready reference at any time.
| Author | : J.-B. Roelens |
| Publisher | : |
| Total Pages | : |
| Release | : 1993 |
| Genre | : |
| ISBN | : |
Download Determination of Residual Stresses in Submerged Arc Multipass Welds by Means of Numerical Simulation and Comparison with Experimental Measurements Book in PDF, ePub and Kindle
| Author | : Dieter Radaj |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 367 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 3642486401 |
Download Heat Effects of Welding Book in PDF, ePub and Kindle
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.
| Author | : Ninshu Ma |
| Publisher | : Elsevier |
| Total Pages | : 313 |
| Release | : 2012-04-26 |
| Genre | : Technology & Engineering |
| ISBN | : 0123948207 |
Download Welding Deformation and Residual Stress Prevention Book in PDF, ePub and Kindle
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.
| Author | : Dieter Radaj |
| Publisher | : |
| Total Pages | : 397 |
| Release | : 2003 |
| Genre | : Residual stresses |
| ISBN | : 9783871557910 |
Download Welding Residual Stresses and Distortion Book in PDF, ePub and Kindle
This title deals with the computational simulation of temperature fields, residual stresses and distortion occuring during and after welding. Computational simulation is understood to be the reduction of the typical welding phenomena just mentionaed to physical models, and their mathematical representation in the form of computer programs.
