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Processes and mechanisms of welding residual stress and distortion
Woodhead Publishing Ltd, Oct 2005, Pages: 364
As a fabrication technology, welding presents a number of technical challenges to the designer, manufacturer, and end-user of the welded structures. While welding joins the components of a structure together, the complex thermal cycles from welding result in formation of residual stresses in the joint region, and deformation/distortion of the welded structure. 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.
Key Features
- A comprehensive summary of developments in this subject
- Includes case studies and practical solutions
- Compiled by a worldwide panel of experts
About the editor
Dr Zhili Feng is a Senior R&D Staff Member of Materials Joining and NDE group of Metals and Ceramics Division. He has won numerous awards for his research and development related to computational weld mechanics and materials, and computational simulations of welding processes and performances of welded structures.
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